CN112451008B

CN112451008B - Supplementary operation effect device of hepatobiliary surgery

Info

Publication number: CN112451008B
Application number: CN202011353019.6A
Authority: CN
Inventors: 马超
Original assignee: Henan Cancer Hospital
Current assignee: Henan Cancer Hospital
Priority date: 2020-11-27
Filing date: 2020-11-27
Publication date: 2022-02-08
Anticipated expiration: 2040-11-27
Also published as: CN112451008A

Abstract

The invention belongs to the field of medical instruments, and particularly relates to a hepatobiliary surgery auxiliary operation action device which comprises a vehicle body, wherein a first supporting mechanism is slidably connected in the vehicle body; the first supporting mechanism is connected with a connecting mechanism in a sliding manner, the connecting mechanism is connected with an opening mechanism, the opening mechanism can open the operation knife edge in different degrees in the transverse direction and the longitudinal direction, and the connecting mechanism is also connected with an instrument placing mechanism; the connecting frame is connected in the vehicle body in a sliding manner, and the posture adjusting mechanism can adjust the forward tilting angle, the height and the distance between the body of an operator and a patient; the sterilizing device is also arranged in the vehicle body, and the vehicle body is also connected with a second supporting mechanism which plays a role in stably supporting the whole device; the problems that the assembly and operation steps of the existing retractor instrument are complex, a plurality of medical workers are needed to operate, instruments are needed in the operation process, the instrument is inconvenient to search and take, a doctor needs to bend for a long time in the operation process and the like are effectively solved.

Description

Supplementary operation effect device of hepatobiliary surgery

Technical Field

The invention belongs to the field of medical instruments, and particularly relates to a device for assisting in operations of hepatobiliary surgery.

Background

The department of hepatobiliary surgery is a surgery method for treating serious diseases seriously threatening the health of Chinese people, such as hepatocellular carcinoma, hepatobiliary calculus, posthepatitic cirrhosis, acute liver failure caused by severe hepatitis and the like; when the hepatobiliary surgery is clinically performed on a patient, an open cavity surgery is generally adopted, and the abdominal cavity of the patient is cut and then the diseased part of the patient is subjected to surgical treatment; after the cavity is opened, a surgical incision and peripheral tissues are required to be opened by a retracting instrument, so that a doctor can observe a diseased part and perform subsequent surgical operation conveniently, the assembly and operation steps of the conventional retracting instrument are complicated, a plurality of medical workers are required to operate, the operation time is wasted, and the success rate of the operation is influenced; meanwhile, various surgical instruments are required to be frequently used in the hepatobiliary surgery process, the surgical instruments are usually placed on a flat-plate cart, the instruments are inconvenient to find and take, and the surgery difficulty is increased; meanwhile, in the operation process, the doctor needs to bend down for a long time, which brings great burden to the doctor; therefore, an auxiliary operation device for hepatobiliary surgery is provided to solve the above technical problems.

Disclosure of Invention

Aiming at the situation, in order to overcome the defects of the prior art, the invention provides a hepatobiliary surgery auxiliary operation device, which effectively solves the problems that the assembly and operation steps of the existing retractor instrument are complicated, a plurality of medical workers are required to operate, more instruments are required in the operation process, the searching and taking are inconvenient, a doctor needs to bend down for a long time in the operation process, and the like.

In order to achieve the purpose, the invention adopts the following technical scheme: a supplementary operation action device for hepatobiliary surgery comprises a vehicle body, wherein a first supporting mechanism is connected in the vehicle body in a sliding mode and can be folded and placed in the vehicle body, and a worm gear first supporting mechanism plays a supporting role on the vehicle body after being unfolded; the first supporting mechanism is connected with a connecting mechanism in a sliding manner, the connecting mechanism is connected with an opening mechanism, the opening mechanism can open the operation knife edge in different degrees in the transverse direction and the longitudinal direction, the connecting mechanism is used for adjusting and fixing the position of the opening mechanism, and the connecting mechanism is also connected with an instrument placing mechanism which is horizontally arranged and is always positioned near the opening device; the body is internally and slidably connected with a connecting frame, and an attitude adjusting mechanism is hinged on the connecting frame and can adjust the forward-leaning angle, the height and the front-back distance between the body of an operator and a patient; still be equipped with the degassing unit who is used for disinfecting and deposits the mechanism that struts in the automobile body, still be connected with the second supporting mechanism who plays the steady supporting effect when supporting gesture guiding mechanism uses on the automobile body, second supporting mechanism can warp and become the pushing hands that is used for removing the automobile body.

Furthermore, the vehicle body comprises two pairs of fixed supporting legs, the upper end of each pair of fixed supporting legs is fixedly connected with a sliding bin corresponding to the first supporting mechanism, an upper layer of first supporting plate and a lower layer of first supporting plate are fixedly connected between the two pairs of fixed supporting legs, and the two layers of first supporting plates are provided with disinfection devices; the sliding bin outside all is equipped with first slide, the link with a pair of first slide sliding connection, the fixed leg lower extreme all is equipped with universal service brake wheel.

Furthermore, the first support mechanism comprises a pair of folding support components corresponding to the sliding bin, a connecting rod is arranged between the pair of folding support components, and the upper end of the connecting rod is provided with a sliding frame corresponding to the connecting mechanism; the folding support assembly comprises an L-shaped sliding rod, an L-shaped sliding chute corresponding to the L-shaped sliding rod is arranged in the sliding bin, a first fixed support is arranged at one end of the L-shaped sliding rod, an L-shaped folding supporting leg is rotatably connected to the first fixed support, and a first limiting block corresponding to the folding supporting leg is further arranged on the fixed support; the other end of the L-shaped sliding rod is fixedly connected with a second fixed support, one side of the sliding bin is provided with a second limiting block corresponding to the second fixed support, a rotating block is hinged to the second fixed support, the other end of the rotating block is hinged to a first connecting rod and a rotating drum, and the other end of the first connecting rod is hinged to the shorter end of the folding leg; the middle part of the L-shaped sliding rod is hinged with a rotating rod which is connected with the rotating cylinder in a sliding mode, and a first spring is sleeved outside the rotating cylinder and the rotating rod.

Furthermore, the connecting mechanism comprises a first sliding block connected with the sliding frame in a sliding manner, an L-shaped sliding rod is connected with the first sliding block, and an instrument placing mechanism is connected with the L-shaped sliding rod in a sliding manner; a first support connecting rod is hinged to the shorter end of the L-shaped sliding rod, a second support connecting rod is hinged to the other end of the first support connecting rod, a third support connecting rod with a support frame hinged to the second support connecting rod is connected in a sliding mode, and a spreading mechanism is hinged to the third support connecting rod; the third support connecting rod is uniformly provided with clamping grooves, the second support connecting rod is provided with a positioning component, the second support connecting rod is provided with an opening corresponding to the positioning component, and the second support connecting rod is also connected with the instrument placement mechanism; the positioning assembly comprises a rotating plate, the middle part of the rotating plate is hinged with a third support connecting rod, one end of the rotating plate is provided with a clamping block corresponding to the clamping groove, and a second spring is arranged on the third support connecting rod below the other end of the rotating plate; and fastening bolts are arranged at the hinged positions of the L-shaped sliding rod and the first support connecting rod, the hinged positions of the first support connecting rod and the second support connecting rod and the hinged positions of the third support connecting rod and the opening mechanism on the first sliding block.

Furthermore, the instrument placing mechanism comprises a second sliding block which is connected with the L-shaped sliding rod in a sliding mode, two sides of the second sliding block are hinged with first telescopic arms, a pair of second slide ways are arranged on the second sliding block, and third sliding blocks which are connected with the first telescopic arms in a sliding mode are arranged on the first telescopic arms; the middle parts of two sides of the second support connecting rod are provided with mounting rods, the other end of the first telescopic arm is hinged with the mounting rods, and the mounting rods are detachably connected with object placing discs; the object placing disc is provided with a third slide way, the first telescopic arm is provided with a fourth slide block which is in sliding connection with the third slide way, the fourth slide block is rotatably connected with a stop block which is matched with the third slide way, and the object placing disc is also provided with an installation groove which is in sliding connection with the installation rod; the first telescopic arm comprises a plurality of groups of second connecting rods which are connected end to end in a scissor structure and two groups of third connecting rods which are hinged in a V shape and connected with two ends of the scissor structure, wherein one group of the third connecting rods is hinged with the second sliding block, and the other group of the third connecting rods is hinged with the mounting rod.

Furthermore, the opening mechanism comprises a support frame hinged with the third support connecting rod, pulling-open assemblies are arranged on two sides of the support frame, one ends of the pulling-open assemblies are connected with opening assemblies, and a pair of arc-shaped opening plates are connected to the opening assemblies; the pulling assembly can drive the arc-shaped opening plate to transversely pull the surgical incision, the opening assembly can drive the arc-shaped opening plate to longitudinally open the surgical incision, the pulling assemblies and the opening assemblies on the two sides are connected through the selective driving assembly, and the selective driving assembly can selectively drive a pair of pulling assemblies to transversely pull or drive a pair of opening assemblies to longitudinally open; the pulling-open assembly comprises a first threaded rod connected with the selective driving assembly, a driving block is screwed on the first threaded rod, the lower end of the driving block is connected with a second telescopic arm, one end of the second telescopic arm is connected with the supporting frame, and the other end of the second telescopic arm is connected with the stretching-open assembly; the second telescopic arm comprises a plurality of groups of fourth connecting rods which are connected end to end in a scissor structure and two groups of fifth connecting rods which are hinged in a V shape and connected with two ends of the scissor structure, wherein one group of the fifth connecting rods are hinged with the supporting frame, and the other group of the fifth connecting rods are hinged with the opening assembly; the opening assembly comprises a shell hinged with the group of fifth connecting rods, a first worm is rotatably connected in the shell, and a first transmission rod connected with the transmission assembly is coaxially and fixedly connected with the first worm; still be connected with a pair of and slip first worm matched with first worm wheel in the casing, the coaxial rigid coupling of first worm wheel has the rocking arm, and the rocking arm other end all is connected with arc distraction board.

Furthermore, the selective driving assembly comprises an L-shaped first connecting frame fixedly connected to one side of the supporting frame, an L-shaped selective sliding block is connected to the first connecting frame in a sliding manner, a rotating wheel is rotatably connected to the selective sliding block, and a first driving bevel gear is coaxially and fixedly connected to the rotating wheel; the supporting frame and the first connecting frame are respectively and rotatably connected with a first driven bevel gear and a second driven bevel gear, the first driving bevel gear can be driven to be selectively meshed with the first driven main gear or the second driven bevel gear by moving the selection sliding block, and one side of the selection sliding block is fixedly connected with a pull rod; the first driven bevel gear is fixedly connected with the first threaded rod coaxially, the second driven bevel gear is connected with the first transmission rod coaxially in a sliding manner, the second driven bevel gear can drive the first transmission rod to rotate coaxially, and the first transmission rod penetrates through the first threaded rod and the first driven bevel gear; the selection sliding block is rotatably connected with a third driven bevel gear meshed with the first driving bevel gear, the third driven bevel gear is coaxially and fixedly connected with a first driving gear, the supporting frame is rotatably connected with a first driven gear and a second driven gear, and the first driving gear can be driven to be selectively meshed with the first driven gear or the second driven gear by moving the selection sliding block;

the first driven gear is coaxially and fixedly connected with a second driving bevel gear, a fourth driven bevel gear matched with the second driving bevel gear is rotatably connected in the supporting frame, the fourth driven bevel gear is coaxially and fixedly connected with a third driving bevel gear, and the third driving bevel gear is meshed with a fifth driven bevel gear rotatably connected with the supporting frame; a fifth driven bevel gear is coaxially and fixedly connected with a first duplex universal joint, the other end of the first duplex universal joint is coaxially and fixedly connected with a fourth driving bevel gear, and the fourth driving bevel gear is meshed with a sixth driven bevel gear which is coaxially and fixedly connected with the other first threaded rod; a fifth driving bevel gear is coaxially and fixedly connected with the second driven gear, a seventh driven bevel gear matched with the fifth driving bevel gear is rotatably connected in the supporting frame, a sixth driving bevel gear is coaxially and fixedly connected with the seventh driven bevel gear, and the sixth driving bevel gear is meshed with an eighth driven bevel gear; the eighth driven bevel gear is coaxially and fixedly connected with a second duplex universal joint, the other end of the second duplex universal joint is coaxially and fixedly connected with a seventh driving bevel gear, the seventh driving bevel gear is meshed with a ninth driven bevel gear, and the other first driving rod penetrates through the sixth driven bevel gear and is coaxially and slidably connected with the ninth driven bevel gear.

Furthermore, the posture adjusting mechanism comprises a support frame hinged on a connecting frame, a limiting groove corresponding to the support frame is arranged on the connecting frame, an arc-shaped support plate is arranged in the middle of the support frame, and a pair of fixing belts are arranged on the arc-shaped support plate; the lower ends of the support frames on the two sides of the arc-shaped support plate are fixedly connected with sliding outer rods, sliding inner rods are slidably connected in the sliding outer rods, and the lower ends of a pair of the sliding inner rods are fixedly connected with support pedals; a second supporting plate is fixedly connected to any one sliding outer rod, a motor is fixedly connected to the second supporting plate, a second driving gear is coaxially and fixedly connected to the output end of the motor, a rotating rod is rotatably connected to a supporting frame above the second driving gear, and a pair of selecting gears meshed with the driving gears are rotatably connected to the rotating rod; the supporting frame is rotatably connected with a third driven gear and a fourth driven gear, the second supporting plate is rotatably connected with a fifth driven gear, the upper end of the rotating rod is hinged with a handle, the supporting frame is provided with a fixing ring, and the fixing ring is provided with a plurality of first fixing grooves for fixing the handle; the selection gear can be driven to be meshed with the third driven gear or the fourth driven gear or the fifth driven bevel gear respectively by moving the handle to different first fixing grooves;

a second worm rotatably connected with the support frame is coaxially and fixedly connected with the third driven gear, and a second worm wheel which is towards the inner core with the second worm is fixedly connected with the connecting frame; the sliding outer rods are rotatably connected with lifting rods, threads are arranged on the lower portions of the lifting rods, the lower ends of the lifting rods are coaxially and fixedly connected with synchronous pulleys, a synchronous belt is connected between a pair of synchronous pulleys, a fourth driven gear is coaxially and fixedly connected with any one of the lifting rods, and a supporting pedal is in threaded connection with the pair of lifting rods; the fifth driven gear is coaxially and fixedly connected with an eighth driving bevel gear, the lower end of the supporting plate is fixedly connected with a support, the support is rotatably connected with a tenth driven bevel gear meshed with the eighth driving bevel gear, and the tenth driven bevel gear is coaxially and fixedly connected with a third duplex universal joint; the other end of the third duplex universal joint is coaxially and fixedly connected with a second transmission rod, a second threaded rod is rotatably connected to the connecting frame and is in sliding connection with the second threaded rod, a support is arranged on the vehicle body, and the support is in threaded connection with the second threaded rod.

Furthermore, the second supporting mechanism comprises a pair of rotating support legs which are rotatably connected with the pair of fixed support legs, a rotating shaft is coaxially and fixedly connected between the pair of support legs, a rotating disc is coaxially and fixedly connected onto any one of the rotating support legs, a pair of second fixing grooves are formed in the rotating disc, and fixing assemblies corresponding to the second fixing grooves are arranged on the support legs; the fixing assembly comprises a guide seat fixedly connected to the fixed supporting leg, a guide rod connected in the guide seat in a sliding mode, a blocking piece is arranged in the middle of the guide rod, and a third spring matched with the guide seat is sleeved on the guide rod below the blocking piece; the lower end of the guide rod is fixedly connected with a press pedal in sliding connection with the guide seat, the upper end of the guide rod is fixedly connected with a fixed block corresponding to the fixed groove, the inner sides of the tail ends of the rotating support legs are provided with first handles, and the outer sides of the middle parts of the rotating support legs of the rotary disc in coaxial and fixedly connected with the second handles are provided with second handles.

Furthermore, the disinfection device comprises an accommodating cavity which is arranged above the supporting plate and used for accommodating the supporting mechanism, a collecting tank for collecting waste liquid is arranged at the bottom end of the accommodating cavity, and a waste liquid pipe is connected to the bottom end of the collecting tank; a slideway is arranged on the supporting plate below the bottom plate, a waste liquid box corresponding to a waste liquid pipe is connected to the slideway in a sliding manner, a pair of handles is arranged on the waste liquid box, a liquid storage box is also arranged on the bottom plate below the bottom plate, a water pump is arranged on the liquid storage box, the water pump is connected with a liquid conveying pipe, and the tail end of the liquid conveying pipe is connected with a spray head; the upper part is also provided with a pair of air heaters, and an upper cover is arranged above the containing cavity.

Compared with the prior art, the invention has the beneficial effects that: the spreader mechanism is simple to operate, and can realize transverse spreading or longitudinal spreading of the surgical incision only by rotating the rotating wheels at different positions, thereby facilitating subsequent surgical operation and saving surgical time; meanwhile, the instrument placement mechanism is always positioned above the side of the opening mechanism, so that the speed of a doctor for searching and taking surgical instruments is greatly increased, and the surgical efficiency of the doctor is improved; the posture adjusting mechanism can adjust the forward tilting angle and height of the operating doctor and the front-back distance between the posture adjusting mechanism and the patient, so that the problem that the doctor needs to bend down for a long time in the operating process is avoided, the physical burden of the doctor is reduced, and the operating efficiency is improved; the invention is placed under the operating table after being unfolded when in use, has higher stability, is folded after being used, saves space, and can be directly used for disinfecting, drying and storing the opening mechanism when in next operation by the disinfection device.

Drawings

FIG. 1 is an isometric view of the invention in an expanded state;

FIG. 2 is an isometric view of the present invention in a collapsed condition;

FIG. 3 is a schematic structural view of the connection between the first supporting mechanism and the connecting mechanism according to the present invention;

FIG. 4 is a first schematic view of the coupling mechanism of the present invention coupled to an instrument placement mechanism;

FIG. 5 is a second schematic view of the connection mechanism of the present invention in connection with an instrument placement mechanism;

FIG. 6 is a schematic view of a connection structure of a second support link and a third support link according to the present invention;

FIG. 7 is a schematic structural view of the distracting mechanism of the present invention;

FIG. 8 is a schematic view of the structure of FIG. 7 at A in accordance with the present invention;

FIG. 9 is a schematic view of the internal structure of the distracting mechanism of the present invention;

fig. 10 is a second schematic view of the internal structure of the distracting mechanism of the present invention;

FIG. 11 is a schematic view of the vehicle body of the present invention connected to a sterilizing device;

FIG. 12 is a schematic structural diagram of a second supporting mechanism and an attitude adjusting mechanism according to the present invention;

FIG. 13 is a schematic structural diagram of an attitude adjustment mechanism according to the present invention;

FIG. 14 is a schematic view of the structure of FIG. 13 at B in accordance with the present invention;

FIG. 15 is a schematic view of the connection of the attitude adjusting mechanism of the present invention to the vehicle body;

in the figure: 1. the device comprises a vehicle body, 101, a fixed supporting leg, 102, a universal foot brake wheel, 103, a first supporting plate, 104, a sliding bin, 105, a first slideway, 106, an L-shaped sliding groove, 2, a first supporting mechanism, 201, a connecting rod, 202, a sliding frame, 203, an L-shaped sliding rod, 204, a first fixed support, 205, a folding supporting leg, 206, a first limit block, 207, a second fixed support, 208, a rotating block, 209, a first connecting rod, 210, a rotating cylinder, 211, a rotating rod, 212, a first spring, 213, a second limit block, 3, a connecting mechanism, 301, a first sliding block, 302, a fastening bolt, 303, an L-shaped sliding rod, 304, a first supporting connecting rod, 305, a second supporting connecting rod, 306, a third supporting connecting rod, 307, a clamping groove, 308, a rotating plate, a clamping block, 310, a second spring, 311, an opening, 4, a device placing mechanism, 401, a second sliding block, 402, a first telescopic arm, 403, a second telescopic arm, a sliding block, a third sliding block, a sliding block, A second slide way, 404, a third slide block, 405, a mounting rod, 406, a placing disc, 407, a third slide way, 408, a fourth slide block, 409, a stop block, 410, a second connecting rod, 411, a third connecting rod, 5, an opening mechanism, 501, a supporting frame, 502, an arc opening plate, 503, a first threaded rod, 504, a driving block, 505, a second telescopic arm, 506, a fourth connecting rod, 507, a fifth connecting rod, 508, a shell, 509, a first worm, 510, a first transmission rod, 511, a first worm wheel, 512, a rotating arm, 513, a first connecting frame, 514, a selection slide block, 515, a rotating wheel, 516, a first driving bevel gear, 517, a first driven bevel gear, 518, a second driven bevel gear, 519, a pull rod, 520, a third driven bevel gear, 521, a first driving gear, 522, a first driven gear, 523, a second driven gear, 524, a second driving gear, 525, and a fourth driven bevel gear, 526. a third drive bevel gear 527, a fifth driven bevel gear 528, a first double universal joint 529, a fourth drive bevel gear 530, a sixth driven bevel gear 531, a fifth drive bevel gear 532, a seventh driven bevel gear 533, a sixth drive bevel gear 534, an eighth driven bevel gear 535, a second double universal joint 536, a seventh drive bevel gear 537, a ninth driven bevel gear 6, an attitude adjusting mechanism 601, a support bracket 602, an arc support plate 603, a sliding outer lever 604, a sliding inner lever 605, a support pedal 606, a second support plate 607, a motor 608, a second drive gear 609, a rotating lever 610, a selection gear 611, a third driven gear 612, a fourth driven gear 613, a fifth driven gear 614, a handle 615, a fixing ring 616, a first fixing groove 617, a second worm gear 618, a second worm wheel, 619. a lifting rod 620, a synchronous belt 621, a synchronous pulley 622, an eighth driving bevel gear 623, a tenth driven bevel gear 624, a third duplex universal joint 625, a second transmission rod 626, a second threaded rod 627, a bracket 628, a fixing band 7, a disinfection device 701, a rotating leg 702, a turntable 703, a second fixing groove 704, a first grip 705, a guide seat 706, a guide rod 707, a second grip 708, a third spring 709, a pressing pedal 710, a fixing block, 8, a second supporting mechanism 801, an accommodating cavity 802, a collecting groove 803, a waste liquid pipe 804, a slideway 805, a waste liquid tank 806, a pull handle, a liquid storage tank 808, a

water pump

809, 807, 810, a spray head, a hot air machine 812, an upper cover 813, a guide block 814, a guide groove 811, a spray head, a hot air machine 811, an upper cover, a guide block 813, a connecting frame.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-15, a supplementary operation device for hepatobiliary surgery comprises a vehicle body 1, wherein a first supporting mechanism 2 is slidably connected in the vehicle body 1, the first supporting mechanism 2 can be folded and stacked and placed in the vehicle body 1, and the worm wheel first supporting mechanism 2 plays a supporting role in the vehicle body 1 after being unfolded; the first supporting mechanism 2 is connected with a connecting mechanism 3 in a sliding mode, the connecting mechanism 3 is connected with an opening mechanism 5, the opening mechanism 5 can open the operation knife edge in different degrees in the transverse direction and the longitudinal direction, the connecting mechanism 3 is used for adjusting and fixing the position of the opening mechanism 5, and the connecting mechanism 3 is also connected with an instrument placing mechanism 4 which is horizontally arranged and is always located near the opening device; a connecting frame 9 is connected in the vehicle body 1 in a sliding manner, an attitude adjusting mechanism 6 is hinged on the connecting frame 9, and the attitude adjusting mechanism 6 can adjust the forward tilting angle, the height and the front-back distance between the body of an operator and a patient; still be equipped with in the automobile body 1 and be used for disinfecting and deposit degassing unit 7 that struts the mechanism 5, still be connected with the second supporting mechanism 8 that plays stable supporting effect when supporting posture adjustment mechanism 6 uses on the automobile body 1, second supporting mechanism 8 can warp and become the pushing hands that is used for removing automobile body 1.

When the invention is used, after the first supporting mechanism 2 is unfolded, the invention is moved to the lower part of an operating table by using the second supporting mechanism 8, and then the position of the invention is fixed by using the second supporting mechanism 8; after the fixation is finished, the body of the user is fixed on the posture adjusting mechanism 6, the distance between the user and the patient, the forward tilting angle and the height of the user can be controlled through the posture adjusting mechanism 6, the problem that the doctor needs to bend down for a long time in the operation process is avoided, and the burden of the doctor is reduced; after the incision is made on the abdomen of the patient, the opening mechanism 5 is moved to the incision, then the position of the opening mechanism 5 is fixed through the fixed connecting mechanism 3, and meanwhile, the position of the instrument placement mechanism 4 is also fixed; the instrument placement mechanism 4 is positioned above the side of the opening mechanism 5, and the surgical instrument is placed above the instrument placement mechanism 4, so that a user can conveniently find and take the instrument; after the opening mechanism 5 is fixed at the position of the surgical incision, the opening mechanism 5 is operated to open the incision as required, and then the subsequent surgical operation is carried out; after the operation is finished, the invention is moved out from the lower part of the operation table, the first supporting mechanism 2 is folded and retracted, and then the expanding mechanism 5 is placed into the sterilizing device 7 for sterilizing and drying for the next use.

Referring to fig. 1 and 11, the vehicle body 1 includes two pairs of fixed legs 101, a sliding bin 104 corresponding to the first supporting mechanism 2 is fixedly connected to an upper end of each pair of fixed legs 101, an upper layer of first supporting plate 103 and a lower layer of first supporting plate 103 are fixedly connected between the two pairs of fixed legs 101, and a disinfecting device 7 is arranged on the two layers of first supporting plates 103; the outside of the sliding bin 104 is provided with a first slideway 105, the connecting frame 9 is connected with the first slideway 105 in a sliding manner, and the lower ends of the fixed supporting legs 101 are provided with universal foot brake wheels 102.

The sliding bin 104 is used for connecting and storing the folded and folded first supporting mechanism 2, the distance between the posture adjusting mechanism and the operating table can be adjusted by slidably connecting the connecting frame 9 and the pair of first sliding ways 105, and the supporting legs 101 are matched with the universal foot brake wheels 102 to facilitate the movement of the position of the invention.

Referring to fig. 3 and 11, the first support mechanism 2 includes a pair of folding support assemblies corresponding to the sliding bin 104, a connecting rod 201 is disposed between the pair of folding support assemblies, and a sliding frame 202 corresponding to the connecting mechanism 3 is disposed at an upper end of the connecting rod 201; the folding support component comprises an L-shaped sliding rod 203, an L-shaped sliding groove 106 corresponding to the L-shaped sliding rod 203 is arranged in the sliding bin 104, a first fixed support 204 is arranged at one end of the L-shaped sliding rod 203, an L-shaped folding supporting leg 205 is rotatably connected to the first fixed support 204, and a first limiting block 206 corresponding to the folding supporting leg 205 is further arranged on the fixed support; a second fixed support 207 is fixedly connected to the other end of the L-shaped sliding rod 203, a second limit block 213 corresponding to the second fixed support 207 is arranged on one side of the sliding bin 104, a rotating block 208 is hinged to the second fixed support 207, a first connecting rod 209 and a rotating drum 210 are hinged to the other end of the rotating block 208, and the other end of the first connecting rod 209 is hinged to the shorter end of the folding leg 205; the middle part of the L-shaped sliding rod 203 is hinged with a rotating rod 211 which is connected with the rotating cylinder 210 in a sliding way, and a first spring 212 is sleeved outside the rotating cylinder 210 and the rotating rod 211.

When the first supporting mechanism 2 is unfolded for use, the connecting rod 201 is pulled to drive the pair of L-shaped sliding rods 203 to slide out along the L-shaped sliding grooves 106, and when the L-shaped sliding rods 203 drive the second fixed support 207 to move to the second limiting block 213, the rotating block 208 rotates downwards out of the sliding bin 104 under the elastic force of the first spring 212; the first connecting rod 209 drives the folding leg 205 to unfold downwards to the position of the first limiting block 206 and stop; at the moment, the sliding frame 202 above the connecting rod 201 drives the expanding mechanism 5 and the instrument placing mechanism 4 to be expanded to a preset position through the connecting mechanism 3; when the first supporting mechanism 2 is folded, the connecting rod 201 is pushed inwards, the rotating block 208 rotates upwards under the action of the sliding bin 104, and the rotating block 208 compresses the first spring 212 and pushes the first connecting rod 209 forwards to drive the folding leg 205 to rotate upwards and fold back; after the folding of the folding leg 205 is completed, the connecting rod 201 is pushed to the extent that the pair of folding support components are completely retracted into the sliding bin 104, and the folding and retraction of the first support mechanism 2 are completed; the rotating cylinder 210 and the rotating rod 211 are slidably connected to each other, and function as a support guide for the first spring 212.

Referring to fig. 4 and 6, the connecting mechanism 3 includes a first sliding block 301 slidably connected to the sliding frame 202, an L-shaped sliding rod 303 is connected to the first sliding block 301, and the instrument placement mechanism 4 is slidably connected to the L-shaped sliding rod 303; a first support connecting rod 304 is hinged to the shorter end of the L-shaped sliding rod 303, a second support connecting rod 305 is hinged to the other end of the first support connecting rod 304, a third support connecting rod 306 hinged to a support frame 501 is connected in the second support connecting rod 305 in a sliding mode, and a support opening mechanism 5 is hinged to the third support connecting rod 306; clamping grooves 307 are uniformly distributed on the third support connecting rod 306, a positioning component is arranged on the second support connecting rod 305, an opening 311 corresponding to the positioning component is arranged on the second support connecting rod 305, and the second support connecting rod 305 is further connected with the instrument placement mechanism 4; the positioning assembly comprises a rotating plate 308, the middle part of the rotating plate 308 is hinged with a third support connecting rod 306, one end of the rotating plate 308 is provided with a clamping block 309 corresponding to the clamping groove 307, and a second spring 310 is arranged on the third support connecting rod 306 below the other rotating end; fastening bolts 302 are arranged on the first sliding block 301, at the hinged position of the L-shaped sliding rod 303 and the first supporting connecting rod 304, at the hinged position of the first supporting connecting rod 304 and the second supporting connecting rod 305, and at the hinged position of the third supporting connecting rod 306 and the opening mechanism 5.

The slide block is slidably connected to the carriage 202 so that the position of the connection mechanism 3 can be adjusted in the direction of the carriage 202 and fixed by a fastening bolt 302; when the opening mechanism 5 is moved to a required position, the opening mechanism 5 drives the second support connecting rod 305 to rotate around a hinge point with the first support connecting rod 304 through the third support connecting rod 306, and the first support connecting rod 304 rotates around a hinge point with the L-shaped sliding rod 303, so that the front-back and up-down position of the opening device is adjusted; the clamping block 309 is separated from the clamping groove 307 by pressing the rotating plate 308, at this time, the third support connecting rod 306 can slide along the second support connecting rod 305, so that the moving range of the spreading mechanism 5 is further enlarged, the rotating plate 308 is released after the movement is completed, the clamping block 309 is embedded into the clamping groove 307 again under the action of the second spring 310, and the position of the third support connecting rod 306 is fixed; while the position of the support mechanism is moved, the instrument placement mechanism 4 is also moved along with the second support link 305, and is always located above the side of the distraction mechanism 5, and after the distraction mechanism 5 is moved to a desired position, all the fastening bolts 302 are tightened, thereby fixing the positions of the distraction mechanism 5 and the instrument placement mechanism 4.

Referring to fig. 4 and 5, the instrument placement mechanism 4 includes a second slider 401 slidably connected to the L-shaped sliding rod 303, a first telescopic arm 402 is hinged to each of two sides of the second slider 401, a pair of second slide ways 403 is disposed on the second slider 401, and a third slider 404 slidably connected to the first telescopic arm 402 is disposed on each of the first telescopic arms 402; the middle parts of two sides of the second supporting connecting rod 305 are provided with mounting rods 405, the other end of the first telescopic arm 402 is hinged with the mounting rods 405, and the mounting rods 405 are detachably connected with object placing discs 406; a third slideway 407 is arranged on the object placing disk 406, fourth sliding blocks 408 which are in sliding connection with the third slideway 407 are arranged on the first telescopic arms 402, stoppers 409 which are matched with the third slideway 407 are rotatably connected on the fourth sliding blocks 408, and an installation groove which is in sliding connection with the installation rod 405 is also arranged on the object placing disk 406; the first telescopic arm 402 comprises a plurality of groups of second connecting rods 410 connected end to end in a scissor structure and two groups of third connecting rods 411 connected at two ends of the scissor structure and hinged in a V shape, wherein one group of the third connecting rods 411 is hinged with the second sliding block 401, and the other group of the third connecting rods 411 is hinged with the mounting rod 405.

When the second support connecting rod 305 moves, the mounting rod 405 drives the object placing disk 406 to move and the first telescopic arm 402 to expand or contract, and when the first telescopic arm 402 expands or contracts, the third sliding block 404 is driven to slide along the second sliding way 403 and the fourth sliding block 408 slides along the third sliding way 407, so that the disk surface of the object placing disk 406 is ensured to be upward all the time; meanwhile, the first telescopic arm 402 drives the second slider 401 to slide up and down along the L-shaped sliding rod 303, after the movement is completed, the fastening bolt 302 on the second slider 401 is screwed, and the position of the object placing disk 406 is fixed, so that a user can conveniently search and take instruments in the object placing disk 406; because the second connecting rods 410 are connected end to end in a scissor-type structure, the first telescopic arm 402 can be unfolded or contracted by driving all the second connecting rods 410 in the scissor-type structure to rotate through the third connecting rods 411 hinged at two ends of the scissor-type structure in a V-shaped manner.

Referring to fig. 7-10, the spreading mechanism 5 includes a supporting frame 501 hinged to the third supporting link 306, pulling assemblies are disposed on both sides of the supporting frame 501, one end of each pulling assembly is connected to a spreading assembly, and a pair of arc-shaped spreading plates 502 are connected to the spreading assemblies; the pulling assembly can drive the arc-shaped opening plate 502 to transversely pull the surgical incision, the opening assembly can drive the arc-shaped opening plate 502 to longitudinally open the surgical incision, the pulling assemblies and the opening assemblies on the two sides are connected through a selective driving assembly, and the selective driving assembly can selectively drive a pair of pulling assemblies to transversely pull or drive a pair of opening assemblies to longitudinally open; the pulling-open component comprises a first threaded rod 503 connected with the selective driving component, a driving block 504 is screwed on the first threaded rod 503, the lower end of the driving block 504 is connected with a second telescopic arm 505, one end of the second telescopic arm 505 is connected with the supporting frame 501, and the other end of the second telescopic arm is connected with the pulling-open component; the second telescopic arm 505 comprises a plurality of groups of fourth connecting rods 506 which are connected end to end in a scissor-type structure and two groups of fifth connecting rods 507 which are connected with two ends of the scissor-type structure and hinged in a V shape, wherein one group of the fifth connecting rods 507 is hinged with the support frame 501, and the other group of the fifth connecting rods 507 is hinged with the opening component; the opening component comprises a shell 508 hinged with a group of fifth connecting rods 507, the shell 508 is connected with a first worm 509 in a rotating mode, and the first worm 509 is coaxially and fixedly connected with a first transmission rod 510 connected with the transmission component; a pair of first worm gears 511 matched with the sliding first worm 509 is rotatably connected in the shell 508, the first worm gears 511 are coaxially and fixedly connected with rotating arms 512, and the other ends of the rotating arms 512 are connected with the arc-shaped opening plate 502.

When the pulling-apart component works, the driving component is selected to drive the first threaded rod 503 to rotate, and the driving block 504 cannot rotate because the driving block 504 is connected with the second telescopic arm 505, so that the driving block 504 can only move along the direction of the first threaded rod 503 under the driving of the first threaded rod 503; at the moment, the driving block 504 drives the second telescopic arm 505 to expand or contract, and then the second telescopic arm 505 drives the arc-shaped opening plate 502 to transversely open the surgical incision to different degrees; the moving range of the driving block 504 is enlarged through the second telescopic arm 505, the situation that the visual field and the operation space of a doctor of the main knife are affected due to the overlong first threaded rod 503 is avoided, and the working principle of the second telescopic arm 505 is the same as that of the first telescopic arm 402, and is not repeated; when the opening component works, the selective driving component drives the rotating rod 211 to rotate, the rotating rod drives the first worm 509 to rotate, the first worm 509 drives the pair of turbines to rotate, and the pair of turbines drives the corresponding pair of arc-shaped opening plates 502 to be opened or closed through the rotating arm 512, so that the longitudinal opening degree of the surgical incision is controlled.

Referring to fig. 7-10, the selective driving assembly includes a first connecting frame 513 in an "L" shape fixedly connected to one side of the supporting frame 501, a selective slider 514 in an "L" shape is slidably connected to the first connecting frame 513, a rotating wheel 515 is rotatably connected to the selective slider 514, and a first driving bevel gear 516 is coaxially and fixedly connected to the rotating wheel 515; a first driven bevel gear 517 and a second driven bevel gear 518 are respectively rotatably connected to the support frame 501 and the first connecting frame 513, the first driving bevel gear 516 can be driven to selectively mesh with the first driven main gear or the second driven bevel gear 518 by moving the selection slider 514, and a pull rod 519 is fixedly connected to one side of the selection slider 514; the first driven bevel gear 517 is coaxially and fixedly connected with the first threaded rod 503, the second driven bevel gear 518 is coaxially and slidably connected with the first driving rod 510, the second driven bevel gear 518 can drive the first driving rod 510 to coaxially rotate, and the first driving rod 510 penetrates through the first threaded rod 503 and the first driven bevel gear 517; the selection sliding block 514 is rotatably connected with a third driven bevel gear 520 engaged with the first driving bevel gear 516, the third driven bevel gear 520 is coaxially and fixedly connected with a first driving gear 521, the support frame 501 is rotatably connected with a first driven gear 522 and a second driven gear 523, and the first driving gear 521 can be driven to be selectively engaged with the first driven gear 522 or the second driven gear 523 by moving the selection sliding block 514;

the first driven gear 522 is coaxially and fixedly connected with a second driving bevel gear 524, the supporting frame 501 is rotatably connected with a fourth driven bevel gear 525 matched with the second driving bevel gear 524, the fourth driven bevel gear 525 is coaxially and fixedly connected with a third driving bevel gear 526, and the third driving bevel gear 526 is meshed with a fifth driven bevel gear 527 rotatably connected with the supporting frame 501; a first duplex universal joint 528 is coaxially and fixedly connected with the five driven bevel gears, a fourth driving bevel gear 529 is coaxially and fixedly connected with the other end of the first duplex universal joint 528, and the fourth driving bevel gear 529 is meshed with a sixth driven bevel gear 530 which is coaxially and fixedly connected with the other first threaded rod 503; a fifth driving bevel gear 531 is coaxially and fixedly connected to the second driven gear 523, a seventh driven bevel gear 532 matched with the fifth driving bevel gear 531 is rotatably connected in the support frame 501, a sixth driving bevel gear 533 is coaxially and fixedly connected to the seventh driven bevel gear 532, and an eighth driven bevel gear 534 is meshed with the sixth driving bevel gear 533; the eighth driven bevel gear 534 is coaxially and fixedly connected with a second duplex universal joint 535, the other end of the second duplex universal joint 535 is coaxially and fixedly connected with a seventh driving bevel gear 536, the seventh driving bevel gear 536 is engaged with a ninth driven bevel gear 537, and the other first transmission rod 510 is arranged through the sixth driven bevel gear 530 and coaxially and slidably connected with the ninth driven bevel gear 537.

When the pulling-apart assembly is controlled by the selection driving device, the selection slider 514 is moved by the pull rod 519 to enable the first driving bevel gear 516 to be meshed with the first driven bevel gear 517, and at the same time, the first driving gear 521 is meshed with the first driven gear 522; the rotating wheel 515 is rotated, the rotating wheel 515 drives the first driving bevel gear 516 to rotate, the first driving bevel gear 516 drives the first driven bevel gear 517 and the third driven bevel gear 520 to rotate, and the first driving bevel gear 516 drives the first threaded rod 503 to rotate so as to drive the pulling-open component on one side to operate; meanwhile, the third driving bevel gear 526 drives the first driving gear 521 to rotate, the first driving gear 521 drives the first driven gear 522 to rotate, the first driven gear 522 drives the second driving bevel gear 524 to rotate, the second driving bevel gear 524 drives the four driven bevel gears to rotate, and the fourth driven bevel gear 525 drives the third driving bevel gear 526 to rotate; the third driving bevel gear 526 drives a fifth driven bevel gear 527 to rotate, the fifth driven bevel gear 527 drives a fourth driving bevel gear 529 to rotate through a first duplex universal joint 528, and the fourth driving bevel gear drives the pulling-open component on the other side to operate by driving the first threaded rod 503 on the other side to rotate;

when the opening assembly is controlled by the selection driving device, the selection sliding block 514 is moved by pulling the pull rod 519 to enable the first driving bevel gear 516 and the first driven gear 522 to be separated and meshed with the second driven bevel gear 518, and the first driving gear 521 and the second driven gear 523 are meshed at the next time; the rotating wheel 515 is rotated, the rotating wheel 515 drives the first driving bevel gear 516 to rotate, the first driving bevel gear 516 drives the second driven bevel gear 518 to rotate, and the second driven bevel gear 518 drives the transmission rod to rotate so as to drive the opening component on one side to rotate; meanwhile, the third driving bevel gear 526 drives the first driving gear 521 to rotate, the first driving gear 521 drives the second driven gear 523 to rotate, the second driven gear 523 drives the fifth driving bevel gear 531 to rotate, and the fifth driving bevel gear 531 drives the seventh driven bevel gear 532 to rotate; the seventh driven bevel gear 532 drives the sixth driving bevel gear 533 to rotate, the sixth driving bevel gear 533 drives the eighth driven bevel gear 534 to rotate, and the eighth driven bevel gear 534 drives the seventh driving bevel gear 536 to rotate through the second duplex universal joint 535; the seventh driving bevel gear 536 drives the ninth driven bevel gear 537 to rotate, and the ninth driven bevel gear 537 drives the transmission rod on the other side to rotate so as to drive the expansion assembly on the other side to operate.

Referring to fig. 12-15, the posture adjustment mechanism 6 includes a support frame 601 hinged to a connecting frame 9, a limit groove corresponding to the support frame 601 is disposed on the connecting frame 9, an arc support plate 602 is disposed in the middle of the support frame 601, and a pair of fixing bands 628 is disposed on the arc support plate 602; the lower ends of the support frames 601 at the two sides of the arc-shaped support plate 602 are fixedly connected with sliding outer rods 603, sliding inner rods 604 are slidably connected in the sliding outer rods 603, and the lower ends of the pair of sliding inner rods 604 are fixedly connected with support pedals 605; a second support plate 606 is fixedly connected to any one of the sliding outer rods 603, a motor 607 is fixedly connected to the second support plate 606, a second driving gear 608 is coaxially and fixedly connected to the output end of the motor 607, a rotating rod 609 is rotatably connected to the support frame 601 above the second driving gear 608, and a pair of selecting gears 610 engaged with the driving gears are rotatably connected to the rotating rod 609; a third driven gear 611 and a fourth driven gear 612 are rotatably connected to the supporting frame, a fifth driven gear 613 is rotatably connected to the second supporting plate 606, a handle 614 is hinged to the upper end of the rotating rod 609, a fixing ring 615 is arranged on the supporting frame 601, and a plurality of first fixing grooves 616 for fixing the handle 614 are arranged on the fixing ring 615; the selection gear 610 can be driven to be meshed with the third driven gear 611, the fourth driven gear 612 or the fifth driven bevel gear 527 respectively by moving the handle 614 into different first fixing grooves 616;

a second worm 617 which is rotatably connected with the support frame 601 is coaxially and fixedly connected with the third driven gear 611, and a second worm wheel 618 which is towards the inner core and is connected with the second worm 617 is fixedly connected with the connecting frame 9; the outer sliding rods 603 are rotatably connected with lifting rods 619, threads are arranged at the lower parts of the lifting rods 619, synchronous belt 620 wheels 621 are coaxially and fixedly connected at the lower ends of the lifting rods 619, a synchronous belt 620 is connected between a pair of synchronous belt 620 wheels 621, a fourth driven gear 612 is coaxially and fixedly connected with any one of the lifting rods 619, and a supporting pedal 605 is in threaded connection with the pair of lifting rods 619; an eighth driving bevel gear 622 is coaxially and fixedly connected with the fifth driven gear 613, a support is fixedly connected to the lower end of the support plate, a tenth driven bevel gear 623 meshed with the eighth driving bevel gear 622 is rotatably connected to the support, and a third duplex universal joint 624 is coaxially and fixedly connected to the tenth driven bevel gear 623; the other end of the third duplex universal joint 624 is coaxially and fixedly connected with a second transmission rod 625, the connecting frame 9 is rotatably connected with a second threaded rod 626, the second transmission rod 625 is slidably connected with the second threaded rod 626, a support 627 is arranged on the vehicle body 1, and the support 627 is in threaded connection with the second threaded rod 626.

Three first fixing grooves 616 are formed in the fixing ring 615, and the three fixing grooves correspond to anteversion angle adjustment, height adjustment and distance adjustment with an operating table respectively; when the posture adjusting mechanism 6 is in use, a user stands on the pedal, and the waist of the user is fixed on the arc-shaped support plate 602 through the pair of fixing belts 628; when the forward tilt angle needs to be adjusted, the handle 614 is pulled up, the handle 614 is rotated to the first fixing groove 616 corresponding to the adjusted tilt angle and then is rotated and fixed downwards, and at the moment, the handle 614 drives the selection gear 610 to be meshed with the third driven gear 611 through the rotating rod 609; the motor 607 is started, the motor 607 drives the second driving gear 608 to rotate, the second driving gear 608 drives the selection gear 610 to rotate, the selection gear 610 drives the second worm 617 to rotate, the worm rotates around the worm wheel through the matching worm of the second worm 617 and the second worm wheel 618, and the worm drives the support frame 601 to rotate around the hinge point with the connecting frame 9 so as to change the forward tilting angle of the user; the limiting groove is used for limiting the rotation angle of the supporting frame 601, so that overlarge inclination angle is avoided; when the height needs to be adjusted, the handle 614 is moved to the position of the first fixing groove 616 corresponding to the height adjustment and fixed, and at the moment, the handle 614 drives the selection gear 610 to be meshed with the fourth driven gear 612 through the rotating rod 609; the motor 607 is started, the motor 607 drives the second driving gear 608 to rotate, the second driving gear 608 drives the selection gear 610 to rotate, the selection gear 610 drives the fourth driven gear 612 to rotate, and the fourth driven gear 612 drives the lifting rod 619 to rotate; the lifting rod 619 drives the synchronous belt 620 wheel 621 to rotate, the synchronous belt 620 wheel 621 drives the synchronous belt 620 wheel 621 on the other side to rotate through the synchronous belt 620, the synchronous belt 620 on the other side drives the lifting rod 619 on the other side to rotate, and the lifting rod 619 rotates to drive the pedal to ascend or descend due to the fact that the lifting rod 619 is in threaded connection with the pedal; when the distance between the handle 614 and the patient on the operating table needs to be adjusted, the handle 614 is moved to the first fixing groove 616 corresponding to the adjustment of the distance between the handle 614 and the operating table and fixed, and at the moment, the handle 614 drives the selecting gear 610 to be meshed with the fifth driven gear 613 through the rotating rod 609; the starting motor 607 drives the fifth driven gear 613 to rotate, the fifth driven gear 613 drives the eighth driving bevel gear 622 to rotate, the eighth driving bevel gear 622 drives the tenth driven bevel gear 623 to rotate, the tenth driven bevel gear drives the third duplex universal joint 624 to rotate, and the third duplex universal joint 624 drives the second transmission rod 625 to rotate; the second transmission rod 625 drives the second threaded rod 626 to rotate, the second threaded rod 626 drives the connecting frame 9 to move along the horizontal direction through matching with the support 627, and the connecting frame 9 drives the posture adjusting mechanism to move along the horizontal direction, so that the distance between the posture adjusting mechanism and a patient on an operating table can be adjusted.

Referring to fig. 12, the second supporting mechanism 8 includes a pair of rotating legs 701 rotatably connected to the pair of fixed legs 101, a rotating shaft is coaxially and fixedly connected between the pair of legs 101, a rotating disc 702 is coaxially and fixedly connected to any one of the rotating legs 701, a pair of second fixing grooves 703 is disposed on the rotating disc 702, and a fixing component corresponding to the second fixing grooves 703 is disposed on the legs 101; the fixing component comprises a guide seat 705 fixedly connected to the fixed supporting leg 101, a guide rod 706 connected in the guide seat 705 in a sliding manner, a blocking piece is arranged in the middle of the guide rod 706, and a third spring 708 matched with the guide seat 705 is sleeved on the guide rod 706 below the blocking piece; the lower end of the guide rod 706 is fixedly connected with a press-down pedal 709 which is in sliding connection with the guide seat 705, the upper end of the guide rod 706 is fixedly connected with a fixing block 710 which corresponds to the fixing groove, the inner sides of the tail ends of the rotating support legs 701 are respectively provided with a first grip 704, and the outer sides of the middle parts of the rotating support legs 701 which are coaxially and fixedly connected with the turntable 702 are provided with a second grip 707.

When the second supporting mechanism 8 is used, the foot is used for stepping down the press pedal 709, the press pedal 709 drives the guide rod 706 to slide downwards, the stop piece on the guide rod 706 and the guide seat 705 compress the third spring 708, meanwhile, the guide rod 706 drives the fixing block 710 to be separated from the fixing groove, and the locking of the rotating supporting leg 701 is released; the two fixing grooves respectively correspond to the two states of the supporting leg 101 and the pushing handle of the second supporting mechanism 8, when the second handle 707 is pulled to drive the rotating supporting leg 701 to rotate upwards until the fixing block 710 is combined with the second fixing groove 703 corresponding to the pushing handle state, the second supporting mechanism 8 plays a role of pushing handle, and the position of the invention can be transferred by holding the first handle 704; when the second grip 707 is pressed down until the fixing block 710 is combined with the second fixing groove 703 corresponding to the state of the supporting leg 101, the second supporting mechanism 8 plays a supporting role, thereby improving the stability of the present invention during operation.

Referring to fig. 11, the disinfecting device 7 includes an accommodating cavity 801 arranged above the supporting plate for accommodating the supporting mechanism, a collecting tank 802 for collecting waste liquid is arranged at the bottom end of the accommodating cavity 801, and a waste liquid pipe 803 is connected to the bottom end of the collecting tank 802; a fourth slideway 804 is arranged on the supporting plate below, a waste liquid box 805 corresponding to the waste liquid pipe 803 is connected to the fourth slideway 804 in a sliding manner, a pair of handles 806 is arranged on the waste liquid box 805, a liquid storage box 807 is also arranged on the bottom plate below, a water pump 808 is arranged on the liquid storage box 807, the water pump 808 is connected with a liquid conveying pipe 809, and the tail end of the liquid conveying pipe 809 is connected with a spray head 810; a pair of hot air blowers 811 is also arranged on the supporting plate at the upper part, and an upper cover 812 is arranged above the accommodating cavity 801.

When the disinfection device 7 is used, the upper cover 812 is moved to the position above the accommodating cavity 801, the upper cover 812 is guided by the guide block 813 and the guide groove 814, the spreading mechanism 5 is placed in the accommodating cavity 801, the water pump 808 is started to spray disinfection liquid from the liquid storage tank 807 through the liquid conveying pipe 809 and finally through the spray head 810 to clean and disinfect the spreading mechanism 5; waste liquid generated by cleaning is collected by the collecting tank 802 and flows into the waste liquid tank 805 through the waste liquid pipe 803, the handle 806 is pulled to drive the waste liquid tank 805 to slide out along the guide groove 814, and the waste liquid tank 805 can be dumped and cleaned; after cleaning and disinfection, the upper cover 812 is covered, and the hot air blower 811 is started to dry the opening mechanism 5 and place for the next use.

The working process of the invention is as follows:

when the device is used, the first supporting rod energy mechanism is unfolded, the connecting rod 201 is pulled to drive the pair of L-shaped sliding rods 203 to slide out along the L-shaped sliding groove 106, and when the L-shaped sliding rods 203 drive the second fixed support 207 to move to the second limiting block 213, the rotating block 208 rotates downwards out of the sliding bin 104 under the action of the elastic force of the first spring 212; the first connecting rod 209 drives the folding leg 205 to unfold downwards to the position of the first limiting block 206 and stop; at the moment, the sliding frame 202 above the connecting rod 201 drives the expanding mechanism 5 and the instrument placing mechanism 4 to be expanded to a preset position through the connecting mechanism 3; then, the foot is used for stepping down the press pedal 709, the locking of the rotating supporting leg 701 is released, the second handle 707 is pulled to drive the supporting leg 101 to rotate upwards until the fixing block 710 is combined with the second fixing groove 703 corresponding to the pushing handle state, and the second supporting mechanism 8 plays a role of pushing handle; the first grip 704 is held by hand and is matched with the four universal foot brake wheels 102 to move the invention to a proper position below an operating table, the press pedal 709 is pressed down again to release the push locking of the rotating supporting leg 701, the second grip 707 is pressed down until the fixed block 710 is combined with the second fixed groove 703 corresponding to the state of the supporting leg 101, and the second supporting mechanism 8 plays a role in supporting and specifying the position of the invention;

after the position of the invention relative to a patient on an operating table is fixed, the position of the support frame 501 is moved through the connecting mechanism 3, so that the arc-shaped opening plate 502 is placed in an opening of the abdomen of the patient, and at the moment, under the driving of the connecting mechanism 3 and the first telescopic arm 402, the two object placing discs 406 are positioned above the side of the opening mechanism 5, thereby being convenient for finding and taking surgical instruments; after the position of the supporting mechanism is adjusted, all the fastening bolts 302 are screwed down to complete the fixation of the positions of the spreading mechanism 5 and the instrument placement mechanism 4; when the transverse opening degree of the knife edge needs to be adjusted, the pull rod 519 is pulled to enable the selective driving assembly to be connected with the pulling-open assembly; the rotating wheel 515 is rotated, the rotating wheel 515 drives the first threaded rod 503 to rotate through the selection driving component, the first threaded rod 503 drives the driving block 504 to move, the driving block 504 drives the second telescopic arm 505 to expand or contract, and the second telescopic arm 505 drives the arc-shaped opening plate 502 to transversely open the surgical incision to different degrees through the opening component; when the longitudinal opening degree of the incision is required to be adjusted, the pull rod 519 is pulled to enable the selective driving assembly to be connected with the opening assembly, the rotating wheel 515 is rotated, the rotating wheel 515 drives the rotating rod 211 to rotate through the selective driving assembly, the driving rod drives the first worm 509 to rotate, the first worm 509 drives the pair of turbines to rotate, and the pair of turbines drives the corresponding pair of arc-shaped opening plates 502 to be unfolded or closed through the rotating arm 512, so that the longitudinal opening degree of the surgical incision is controlled;

when the posture adjusting mechanism 6 is in use, a user stands on the pedal, and the waist of the user is fixed on the arc-shaped support plate 602 through the pair of fixing belts 628; when the forward tilt angle needs to be adjusted, the handle 614 is pulled up, the handle 614 is rotated to the first fixing groove 616 corresponding to the adjusted tilt angle and then is rotated and fixed downwards, and at the moment, the handle 614 drives the selection gear 610 to be meshed with the third driven gear 611 through the rotating rod 609; the motor 607 is started, the motor 607 drives the second driving gear 608 to rotate, the second driving gear 608 drives the selection gear 610 to rotate, the selection gear 610 drives the second worm 617 to rotate, the worm rotates around the worm wheel through the matching worm of the second worm 617 and the second worm wheel 618, and the worm drives the support frame 601 to rotate around the hinge point with the connecting frame 9 so as to change the forward tilting angle of the user; the limiting groove is used for limiting the rotation angle of the supporting frame 601, so that overlarge inclination angle is avoided; when the height needs to be adjusted, the handle 614 is moved to the first fixing groove 616 corresponding to the adjusted height and fixed, and at this time, the handle 614 drives the selecting gear 610 to be meshed with the fourth driven gear 612 through the rotating rod 609; the motor 607 is started, the motor 607 drives the second driving gear 608 to rotate, the second driving gear 608 drives the selection gear 610 to rotate, the selection gear 610 drives the fourth driven gear 612 to rotate, and the fourth driven gear 612 drives the lifting rod 619 to rotate; the lifting rod 619 drives the synchronous belt 620 wheel 621 to rotate, the synchronous belt 620 wheel 621 drives the synchronous belt 620 wheel 621 on the other side to rotate through the synchronous belt 620, the synchronous belt 620 on the other side drives the lifting rod 619 on the other side to rotate, and the lifting rod 619 rotates to drive the pedal to ascend or descend due to the fact that the lower portion of the lifting rod 619 is in threaded connection with the pedal;

when the distance between the handle 614 and the patient on the operating table needs to be adjusted, the handle 614 is moved to the first fixing groove 616 corresponding to the adjustment of the distance between the handle 614 and the operating table and fixed, and at the moment, the handle 614 drives the selecting gear 610 to be meshed with the fifth driven gear 613 through the rotating rod 609; the starting motor 607 drives the fifth driven gear 613 to rotate, the fifth driven gear 613 drives the eighth driving bevel gear 622 to rotate, the eighth driving bevel gear 622 drives the tenth driven bevel gear 623 to rotate, the tenth driven bevel gear drives the third duplex universal joint 624 to rotate, and the third duplex universal joint 624 drives the second transmission rod 625 to rotate; the second transmission rod 625 drives the second threaded rod 626 to rotate, the second threaded rod 626 drives the connecting frame 9 to move along the horizontal direction through matching with the bracket 627, and the connecting frame 9 drives the posture adjusting mechanism to move along the horizontal direction so as to adjust the distance between the posture adjusting mechanism and a patient on an operating table; the posture adjusting mechanism 6 can control the distance between the user and the patient, the forward tilting angle and the height of the user, avoid the problem that the doctor needs to bend down for a long time in the operation process, greatly facilitate the operation process and reduce the burden of the doctor;

after the operation is finished, the second supporting mechanism 8 is changed into a pushing handle state, the fixing of the invention is released, the invention is moved out from the lower part of the operating table, the connecting rod 201 is pushed inwards, the rotating block 208 rotates upwards under the action of the sliding bin 104, the rotating block 208 compresses the first spring 212 and pushes the first connecting rod 209 forwards to drive the folding leg 205 to rotate upwards and fold back; after the folding supporting legs 205 are folded, the connecting rods 201 are continuously pushed to the pair of folding supporting assemblies to be completely collected into the sliding bin 104, the first supporting mechanism 2 is folded and collected, the opening mechanism 5 is placed into the accommodating cavity 801, the water pump 808 is started to clean and sterilize, and the hot air blower 811 is started after cleaning and sterilization to dry the opening mechanism 5 for the next use.

Although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art will understand that various changes, modifications and substitutions can be made without departing from the spirit and scope of the invention as defined by the appended claims. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a supplementary operation of hepatobiliary surgery effect device, includes automobile body (1), its characterized in that: the foldable bicycle is characterized in that a first supporting mechanism (2) is connected in the bicycle body (1) in a sliding mode, the first supporting mechanism (2) can be folded and placed in the bicycle body (1), and the first supporting mechanism (2) plays a supporting role in the bicycle body (1) after being unfolded; the first supporting mechanism (2) is connected with a connecting mechanism (3) in a sliding mode, the connecting mechanism (3) is connected with a spreading mechanism (5), the spreading mechanism (5) can spread the operation incision in different degrees in the transverse direction and the longitudinal direction, the connecting mechanism (3) is used for adjusting and fixing the position of the spreading mechanism (5), and the connecting mechanism (3) is further connected with an instrument placing mechanism (4) which is horizontally arranged and is always located near the spreading mechanism (5); the trolley body (1) is internally and slidably connected with a connecting frame (9), the connecting frame (9) is connected with an attitude adjusting mechanism (6), and the attitude adjusting mechanism (6) can adjust the forward tilting angle, the height and the distance between an operator and a patient; a disinfection device (7) for disinfecting and storing the spreading mechanism (5) is further arranged in the trolley body (1), a second supporting mechanism (8) is further connected to the trolley body (1), the second supporting mechanism (8) can play a role in stable supporting when the posture adjusting mechanism (6) is used, and the second supporting mechanism (8) can also be deformed into a push handle; the trolley body (1) comprises two pairs of fixed supporting legs (101), the upper end of each pair of fixed supporting legs (101) is fixedly connected with a sliding bin (104) corresponding to the first supporting mechanism (2), an upper layer of first supporting plate (103) and a lower layer of first supporting plate (103) are fixedly connected between the two pairs of fixed supporting legs (101), and disinfection devices (7) are arranged on the two layers of first supporting plates (103); the outer sides of the sliding bins (104) are respectively provided with a first slideway (105), the connecting frame (9) is connected with the first slideways (105) in a sliding mode, and the lower ends of the fixed supporting legs (101) are respectively provided with a universal foot brake wheel (102); the first supporting mechanism (2) comprises a pair of folding supporting components corresponding to the sliding bin (104), a connecting rod (201) is arranged between the pair of folding supporting components, and a sliding frame (202) corresponding to the connecting mechanism (3) is arranged at the upper end of the connecting rod (201); the folding support assembly comprises an L-shaped sliding rod (203), an L-shaped sliding groove (106) corresponding to the L-shaped sliding rod (203) is arranged in the sliding bin (104), a first fixed support (204) is arranged at one end of the L-shaped sliding rod (203), an L-shaped folding leg (205) is rotatably connected to the first fixed support (204), and a first limiting block (206) corresponding to the folding leg (205) is further arranged on the first fixed support (204); a second fixed support (207) is fixedly connected to the other end of the L-shaped sliding rod (203), a second limiting block (213) corresponding to the second fixed support (207) is arranged on one side of the sliding bin (104), a rotating block (208) is hinged to the second fixed support (207), a first connecting rod (209) and a rotating drum (210) are hinged to the other end of the rotating block (208), and the other end of the first connecting rod (209) is hinged to the shorter end of the folding supporting leg (205); a rotating rod (211) which is connected with the rotating cylinder (210) in a sliding manner is hinged to the middle part of the L-shaped sliding rod (203), and a first spring (212) is sleeved outside the rotating cylinder (210) and the rotating rod (211); the connecting mechanism (3) comprises a first sliding block (301) which is connected with the sliding frame (202) in a sliding manner, an L-shaped sliding rod (303) is connected onto the first sliding block (301), and an instrument placing mechanism (4) is connected onto the L-shaped sliding rod (303) in a sliding manner; a first support connecting rod (304) is hinged to the shorter end of the L-shaped sliding rod (303), a second support connecting rod (305) is hinged to the other end of the first support connecting rod (304), a third support connecting rod (306) with a support frame (501) hinged to the second support connecting rod (305) is connected in a sliding mode, and a stretching mechanism (5) is hinged to the third support connecting rod (306); clamping grooves (307) are uniformly distributed on the third support connecting rod (306), a positioning component is arranged on the second support connecting rod (305), an opening (311) corresponding to the positioning component is arranged on the second support connecting rod (305), and the second support connecting rod (305) is also connected with the instrument placement mechanism (4); the positioning assembly comprises a rotating plate (308), the middle part of the rotating plate (308) is hinged with a third support connecting rod (306), one end of the rotating plate (308) is provided with a clamping block (309) corresponding to the clamping groove (307), and a second spring (310) is arranged on the third support connecting rod (306) below the other rotating end; fastening bolts (302) are arranged on the first sliding block (301), at the hinged position of the L-shaped sliding rod (303) and the first supporting connecting rod (304), at the hinged position of the first supporting connecting rod (304) and the second supporting connecting rod (305), and at the hinged position of the third supporting connecting rod (306) and the opening mechanism (5); the instrument placing mechanism (4) comprises a second sliding block (401) which is connected with the L-shaped sliding rod (303) in a sliding mode, two sides of the second sliding block (401) are respectively hinged with a first telescopic arm (402), the second sliding block (401) is provided with a pair of second sliding ways (403), and the first telescopic arm (402) is respectively provided with a third sliding block (404) which is connected with the first telescopic arm (402) in a sliding mode; the middle parts of two sides of the second supporting connecting rod (305) are provided with mounting rods (405), the other end of the first telescopic arm (402) is hinged with the mounting rods (405), and the mounting rods (405) are detachably connected with object placing discs (406); a third slide way (407) is arranged on the object placing disc (406), fourth slide blocks (408) which are in sliding connection with the third slide way (407) are arranged on the first telescopic arms (402), stop blocks (409) which are matched with the third slide way (407) are rotatably connected on the fourth slide blocks (408), and installation grooves which are in sliding connection with the installation rods (405) are further arranged on the object placing disc (406); the first telescopic arm (402) comprises a plurality of groups of second connecting rods (410) which are connected end to end in a scissor structure and two groups of third connecting rods (411) which are connected with two ends of the scissor structure and hinged in a V shape, wherein one group of the third connecting rods (411) is hinged with the second sliding block (401), and the other group of the third connecting rods (411) is hinged with the mounting rod (405); the opening mechanism (5) comprises a supporting frame (501) hinged with a third supporting connecting rod (306), pulling-open assemblies are arranged on two sides of the supporting frame (501), one ends of the pulling-open assemblies are connected with opening assemblies, and a pair of arc-shaped opening plates (502) are connected to the opening assemblies; the pulling assembly can drive the arc-shaped opening plate (502) to transversely pull the surgical incision, the opening assembly can drive the arc-shaped opening plate (502) to longitudinally open the surgical incision, the pulling assemblies on the two sides are connected with the opening assembly through the selective driving assembly, and the selective driving assembly can selectively drive a pair of pulling assemblies to transversely pull or drive a pair of opening assemblies to longitudinally open; the pulling-open assembly comprises a first threaded rod (503) connected with the selective driving assembly, a driving block (504) is connected to the first threaded rod (503) in a threaded mode, the lower end of the driving block (504) is connected with a second telescopic arm (505), one end of the second telescopic arm (505) is connected with the supporting frame (501), and the other end of the second telescopic arm is connected with the pulling-open assembly; the second telescopic arm (505) comprises a plurality of groups of fourth connecting rods (506) which are connected end to end in a scissor structure and two groups of fifth connecting rods (507) which are connected with two ends of the scissor structure and hinged in a V shape, wherein one group of the fifth connecting rods (507) is hinged with the supporting frame (501), and the other group of the fifth connecting rods (507) is hinged with the opening component; the opening assembly comprises a shell (508) hinged with a group of fifth connecting rods (507), a first worm (509) is rotationally connected in the shell (508), and a first transmission rod (510) connected with the transmission assembly is coaxially and fixedly connected to the first worm (509); a pair of first worm gears (511) matched with the sliding first worm (509) is rotatably connected in the shell (508), the first worm gears (511) are coaxially and fixedly connected with rotating arms (512), and the other ends of the rotating arms (512) are connected with the arc-shaped opening plate (502).

2. A hepatobiliary surgery assistance device according to claim 1, wherein: the selective driving assembly comprises an L-shaped first connecting frame (513) fixedly connected to one side of a supporting frame (501), an L-shaped selective sliding block (514) is connected onto the first connecting frame (513) in a sliding mode, a rotating wheel (515) is connected onto the selective sliding block (514) in a rotating mode, and a first driving bevel gear (516) is coaxially and fixedly connected onto the rotating wheel (515); a first driven bevel gear (517) and a second driven bevel gear (518) are respectively rotatably connected to the supporting frame (501) and the first connecting frame (513), the first driving bevel gear (516) can be driven to be selectively meshed with the first driven main gear or the second driven bevel gear (518) by moving the selection sliding block (514), and one side of the selection sliding block (514) is fixedly connected with a pull rod (519); the first driven bevel gear (517) is fixedly connected with the first threaded rod (503) in a coaxial mode, the second driven bevel gear (518) is connected with the first driving rod (510) in a coaxial mode in a sliding mode, the second driven bevel gear (518) can drive the first driving rod (510) to rotate in a coaxial mode, and the first driving rod (510) penetrates through the first threaded rod (503) and the first driven bevel gear (517); the selection sliding block (514) is rotatably connected with a third driven bevel gear (520) meshed with the first driving bevel gear (516), the third driven bevel gear (520) is coaxially and fixedly connected with a first driving gear (521), the supporting frame (501) is rotatably connected with a first driven gear (522) and a second driven gear (523), and the first driving gear (521) can be driven to be selectively meshed with the first driven gear (522) or the second driven gear (523) by moving the selection sliding block (514);

a second driving bevel gear (524) is coaxially and fixedly connected with the first driven gear (522), a fourth driven bevel gear (525) matched with the second driving bevel gear (524) is rotatably connected in the supporting frame (501), a third driving bevel gear (526) is coaxially and fixedly connected with the fourth driven bevel gear (525), and a fifth driven bevel gear (527) rotatably connected with the supporting frame (501) is meshed with the third driving bevel gear (526); a first double universal joint (528) is coaxially and fixedly connected to the fifth driven bevel gear (527), a fourth driving bevel gear (529) is coaxially and fixedly connected to the other end of the first double universal joint (528), and the fourth driving bevel gear (529) is meshed with a sixth driven bevel gear (530) which is coaxially and fixedly connected with the other first threaded rod (503); a fifth driving bevel gear (531) is coaxially and fixedly connected to the second driven gear (523), a seventh driven bevel gear (532) matched with the fifth driving bevel gear (531) is rotatably connected to the support frame (501), a sixth driving bevel gear (533) is coaxially and fixedly connected to the seventh driven bevel gear (532), and an eighth driven bevel gear (534) is meshed with the sixth driving bevel gear (533); the eighth driven bevel gear (534) is coaxially and fixedly connected with a second duplex universal joint (535), the other end of the second duplex universal joint (535) is coaxially and fixedly connected with a seventh driving bevel gear (536), the seventh driving bevel gear (536) is meshed with a ninth driven bevel gear (537), and the other first driving rod (510) penetrates through the sixth driven bevel gear (530) and is coaxially and slidably connected with the ninth driven bevel gear (537).

3. A hepatobiliary surgery assistance device according to claim 2, wherein: the posture adjusting mechanism (6) comprises a support frame (601) hinged to a connecting frame (9), a limiting groove corresponding to the support frame (601) is formed in the connecting frame (9), an arc-shaped support plate (602) is arranged in the middle of the support frame (601), and a pair of fixing bands (628) is arranged on the arc-shaped support plate (602); the lower ends of the support frames (601) at the two sides of the arc-shaped support plate (602) are fixedly connected with sliding outer rods (603), sliding inner rods (604) are connected in the sliding outer rods (603) in a sliding mode, and the lower ends of a pair of sliding inner rods (604) are fixedly connected with support pedals (605); a second support plate (606) is fixedly connected to any one sliding outer rod (603), a motor (607) is fixedly connected to the second support plate (606), a second driving gear (608) is coaxially and fixedly connected to the output end of the motor (607), a rotating rod (609) is rotatably connected to the support frame (601) above the second driving gear (608), and a pair of selecting gears (610) meshed with the second driving gear (608) is rotatably connected to the rotating rod (609); a third driven gear (611) and a fourth driven gear (612) are rotatably connected to the support frame (601), a fifth driven gear (613) is rotatably connected to the second support plate (606), a handle (614) is hinged to the upper end of the rotating rod (609), a fixing ring (615) is arranged on the support frame (601), and a plurality of first fixing grooves (616) used for fixing the handle (614) are formed in the fixing ring (615); the selection gear (610) can be driven to be meshed with the third driven gear (611), the fourth driven gear (612) or the fifth driven bevel gear (527) respectively by moving the handle (614) into different first fixing grooves (616);

a second worm (617) which is rotatably connected with the support frame (601) is coaxially and fixedly connected with the third driven gear (611), and a second worm wheel (618) which is matched with the second worm (617) is fixedly connected on the connecting frame (9); the outer sliding rods (603) are rotatably connected with lifting rods (619), threads are arranged on the lower portions of the lifting rods (619), synchronous pulleys (621) are coaxially and fixedly connected to the lower ends of the lifting rods (619), a synchronous belt (620) is connected between a pair of the synchronous pulleys (621), a fourth driven gear (612) is coaxially and fixedly connected with any one of the lifting rods (619), and a supporting pedal (605) is in threaded connection with the pair of the lifting rods (619); an eighth driving bevel gear (622) is coaxially and fixedly connected with the fifth driven gear (613), a support is fixedly connected to the lower end of the second support plate (606), a tenth driven bevel gear (623) meshed with the eighth driving bevel gear (622) is rotatably connected to the support, and a third duplex universal joint (624) is coaxially and fixedly connected to the tenth driven bevel gear (623); the coaxial rigid coupling of third duplex universal joint (624) other end has second transfer line (625), rotates on link (9) and is connected with second threaded rod (626), second transfer line (625) and second threaded rod (626) sliding connection, be equipped with support (627) on automobile body (1), support (627) and second threaded rod (626) looks spiro union.

4. A hepatobiliary surgery assistance device according to claim 3, wherein: the second supporting mechanism (8) comprises a pair of rotating supporting legs (701) which are rotatably connected with the pair of fixed supporting legs (101), a rotating shaft is coaxially and fixedly connected between the pair of fixed supporting legs (101), a rotating disc (702) is coaxially and fixedly connected with any one of the rotating supporting legs (701), a pair of second fixing grooves (703) are formed in the rotating disc (702), and fixing components corresponding to the second fixing grooves (703) are arranged on the fixed supporting legs (101); the fixing assembly comprises a guide seat (705) fixedly connected to the fixed supporting leg (101), a guide rod (706) is connected to the guide seat (705) in a sliding mode, a blocking piece is arranged in the middle of the guide rod (706), and a third spring (708) matched with the guide seat (705) is sleeved on the guide rod (706) below the blocking piece in a sleeved mode; the fixed connection of guide bar (706) lower extreme has and guide holder (705) sliding connection's push down footboard (709), and the fixed block (707) corresponding with second fixed slot (703) are connected to guide bar (706) upper end rigid coupling, the terminal inboard of rotation landing leg (701) all is equipped with first handle (704), and the outside at the rotation landing leg (701) middle part of the coaxial rigid coupling of carousel (702) is equipped with second handle (710).

5. A hepatobiliary surgery assistance device according to claim 4, wherein: the disinfection device (7) comprises an accommodating cavity (801) which is arranged above the first supporting plate (103) and used for accommodating the supporting mechanism, a collecting tank (802) for collecting waste liquid is arranged at the bottom end of the accommodating cavity (801), and a waste liquid pipe (803) is connected to the bottom end of the collecting tank (802); a fourth slide way (804) is arranged on the first support plate (103) below, a waste liquid box (805) corresponding to the waste liquid pipe (803) is connected to the fourth slide way (804) in a sliding manner, a pair of handles (806) are arranged on the waste liquid box (805), a liquid storage box (807) is further arranged on the first support plate (103) below, a water pump (808) is arranged on the liquid storage box (807), the water pump (808) is connected with a liquid conveying pipe (809), and the tail end of the liquid conveying pipe (809) is connected with a spray head (810); a pair of air heaters (811) is also arranged above the first supporting plate (103), and an upper cover (812) is arranged above the accommodating cavity (801).