CN112451009A

CN112451009A - Auxiliary device for minimally invasive surgery of hepatobiliary surgery

Info

Publication number: CN112451009A
Application number: CN202011371625.0A
Authority: CN
Inventors: 舒向阳; 刘星宝
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-11-30
Filing date: 2020-11-30
Publication date: 2021-03-09

Abstract

The invention relates to the technical field of medical machinery, in particular to an auxiliary device for a minimally invasive surgery of hepatobiliary surgery, which comprises an electric telescopic rod, wherein a clamping and installing mechanism is fixedly installed on the surface of the bottom end of the electric telescopic rod, the clamping and installing mechanism comprises an outer rod and a movable sliding sleeve, the movable sliding sleeve is inserted into the outer rod, a first rotating rod is inserted into the movable sliding sleeve, a first limiting rod is fixedly connected to the right side of the movable sliding sleeve, a clamping rod is fixedly connected to the surface of the right side of the first limiting rod, and an adjusting mechanism is hinged to the top end of the electric telescopic rod. When the clamping mechanism is used, the first rotating rod is rotated to drive the movable sliding sleeve to slide in the outer rod, so that the two groups of clamping rods are driven to slide close to each other, the surfaces of the clamping rods are abutted against the tabletop, the clamping mechanism is convenient to mount, and the clamping mounting mechanism is prevented from slipping and falling off the tabletop by the fact that the bulges on the surfaces of the clamping rods are abutted against the tabletop.

Description

Auxiliary device for minimally invasive surgery of hepatobiliary surgery

Technical Field

The invention relates to the technical field of medical machinery, in particular to an auxiliary device for a minimally invasive surgery of hepatobiliary surgery.

Background

The Chinese hepatobiliary surgery combines the characteristics of hepatobiliary diseases of Chinese people, forms a relatively perfect theory and technology system in the aspect of surgical treatment of hepatocellular carcinoma, hepatobiliary calculosis, damaged bile duct stenosis and the like, mainly researches major diseases seriously threatening the health of Chinese people, such as hepatocellular carcinoma, hepatobiliary calculi, posthepatitic cirrhosis, acute liver failure caused by severe hepatitis and the like, and the progress of hepatobiliary image evaluation technology, particularly the application of a virtual operation system based on three-dimensional image reconstruction, obviously improves the accuracy, safety and thoroughness of the operation, makes major breakthrough in the fields of hepatoportal surgery, partial liver transplantation, transplantation of hepatobiliary tract complications and the like, proves that the medical principle and method are generally applied, continuously improves, supplements and perfects the classical theory and treatment method, and remodels the disease treatment mode and standard, the progress of social economy promotes the conversion of the health concept of Chinese people, more patients can be diagnosed and treated at early stage, and the prognosis of diseases is obviously improved.

Clinically, when hepatobiliary surgery is performed on a patient, the hepatobiliary surgery is generally performed by adopting an open cavity operation, after the open cavity operation, epidermal tissues or other tissues of the cavity are required to be pulled open, the chest of a human body is opened, so that the operation is convenient, at present, in the operation process, a plurality of medical staff are required to cooperate with the operation, the wound of the patient is opened, the number of hands is greatly increased, in the operation process, an operation lamp is generally arranged on the ceiling, in the operation process and the operation angle of an operator, the lamp is blocked, the operation difficulty is increased, the operation efficiency is reduced, the operation time is increased, and therefore, the auxiliary device for the hepatobiliary surgery minimally invasive surgery is provided for solving the problems.

Disclosure of Invention

The invention aims to provide an auxiliary device for minimally invasive surgery of hepatobiliary surgery, which aims to solve the problems that in the background technology, a plurality of medical staff are required to cooperate with the surgery to open the wound of a patient, so that the number of hands is greatly increased, and in the surgery process, an operation lamp is generally arranged on a ceiling, and in the surgery process and because of the operation angle of a surgeon, the lamp is blocked, so that the surgery difficulty is increased, the surgery efficiency is reduced, and the surgery time is increased.

In order to achieve the purpose, the invention provides the following technical scheme: an auxiliary device for minimally invasive surgery of hepatobiliary surgery comprises an electric telescopic rod, wherein a clamping and mounting mechanism is fixedly mounted on the surface of the bottom end of the electric telescopic rod and comprises an outer rod and a movable sliding sleeve, the movable sliding sleeve is inserted into the outer rod, a first rotating rod is inserted into the movable sliding sleeve, a first limiting rod is fixedly connected to the right side of the movable sliding sleeve, a clamping rod is fixedly connected to the right side surface of the first limiting rod, an adjusting mechanism is hinged to the top end of the electric telescopic rod and comprises a bearing rod and a first movable rod, an inner cavity is formed in the top end of the electric telescopic rod, a second gear and a ratchet wheel are mounted in the inner cavity through a bearing, the second gear is connected with the ratchet wheel through a belt pulley, a second hinged rod is meshed and abutted to the surface of the ratchet wheel, and the second rod is mounted in the inner cavity through a bearing, the surface of second articulated rod passes through the inner wall fixed connection of third spring and inner chamber, the top central point that electronic liter contracted lever put department fixed mounting have first gear, the right side inside of bearing bar is inserted and is equipped with first movable rod, and the both sides surface of first movable rod is contradicted and is had the stopper, a side surface that first movable rod was kept away from to the stopper is inserted and is established the inside of bearing bar, the stopper is inserted and is established a side surface symmetry fixed mounting inside the bearing bar and have first spring, the right side fixed mounting of first movable rod has the head rod.

Preferably, first rotation pole passes through the bearing and installs the inside at the outer pole, the surface of first rotation pole distributes from central point to both sides and is opposite external screw thread, the internal thread with first rotation pole surface external screw thread looks adaptation is seted up to the inner wall of activity sliding sleeve, the surface at first rotation pole is established to the activity sliding sleeve cover, first rotation pole is screw thread sliding connection with the activity sliding sleeve.

Preferably, the first limiting rod is T-shaped, a sliding groove corresponding to the first limiting rod is formed in the right side surface of the outer rod, the left side of the first limiting rod is inserted into the sliding groove, and the left side surface of the first limiting rod is fixedly connected with the movable sliding sleeve.

Preferably, the surface cover of bearing bar is equipped with the activity ring, and the bottom fixedly connected with lamina tecti of activity ring, the bottom of lamina tecti evenly is annular array fixedly connected with connection stock, the bottom fixedly connected with of connection stock shines the mechanism, and shines the mechanism and include apical ring and fixed slot, the bottom surface of fixed slot is the whole fixed connection of annular fixed slot, and the bottom of fixed slot articulates and is connected with first hinge bar, the fixed surface of first hinge bar installs the lamp, the bottom both sides of apical ring are passed through the second connecting rod and are connected with fixed cover, the inside of fixed cover is inserted and is equipped with the second dwang, and the both sides surface symmetrical cover of second dwang is equipped with the second movable rod, the bottom fixedly connected with activity arc pole of second movable rod.

Preferably, the both sides surface symmetry of first movable rod has seted up the spacing groove corresponding with the stopper, the stopper is inserted and is established the inside at the spacing groove, the stopper is connected for the snap-on with first movable rod, the rectangular channel corresponding with the stopper has been seted up to the inner wall of bearing bar, and the inside fixed mounting of rectangular channel has first spring, the one end of first spring and the inner wall fixed connection of rectangular channel, the other end of first spring is inserted with the stopper and is established the fixed surface connection at the rectangular channel.

Preferably, the limiting blocks are inserted into the sliding blocks which are symmetrically and fixedly connected with the surfaces of the two sides inside the rectangular groove, sliding grooves corresponding to the sliding blocks are formed in the inner walls of the two sides of each rectangular sliding groove, the sliding blocks are inserted into the sliding grooves, and the limiting blocks are connected with the bearing rods in a sliding mode.

Preferably, the right side surface cover of head rod is equipped with coupling mechanism, and coupling mechanism includes loose ring and second spring, the ring channel has been seted up to the inner circle of loose ring, and the inside of ring channel is inserted and is equipped with the second gag lever post, the inside of second gag lever post is inserted and is equipped with the second spring, and the second spring keeps away from the inside one end of second gag lever post and the inner wall fixed connection of annular chute, a side surface that the second spring was kept away from to the second gag lever post is the arc surface.

Preferably, the surface of second dwang is put from the central point and has been seted up opposite external screw thread to both sides distribution, the top surface of second movable rod has been seted up with the corresponding hole groove of second dwang, the internal thread corresponding with second dwang external screw thread has been seted up to the inner wall in hole groove, the second movable rod cover is established on the surface of second dwang.

Compared with the prior art, the invention has the beneficial effects that:

when the clamping mechanism is used, the first rotating rod is rotated to drive the movable sliding sleeve to slide in the outer rod, so that the two groups of clamping rods are driven to slide close to each other, the surfaces of the clamping rods are abutted against the tabletop, the clamping mechanism is convenient to mount, and the clamping mounting mechanism is prevented from slipping and falling off the tabletop by the fact that the bulges on the surfaces of the clamping rods are abutted against the tabletop;

the device is provided with a ratchet wheel and a second hinged rod, and teeth arranged on the peripheral surface of the ratchet wheel are meshed with the second hinged rod, so that the ratchet wheel is convenient to fix, the first gear and the second gear are meshed with each other, the adjusting mechanism is fixed, the second hinged rod is far away from the teeth of the ratchet wheel by rotating the second hinged rod downwards, and the bearing rod is hinged and rotated, so that the device is convenient to store;

the device is through being provided with the lamp, during the use, rotates first articulated pole and adjusts the lamp to be convenient for shine patient's wound, and through being provided with the second dwang, the second dwang rotates and drives the rotation of second movable rod, adjusts the activity arc pole, be convenient for with patient's wound cooperation.

Description of the drawings:

in order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.

FIG. 1 is a schematic front perspective view of the present invention;

FIG. 2 is a perspective view of the electric telescopic rod and the clamping and mounting mechanism of the present invention;

FIG. 3 is a perspective view of the clamping and mounting mechanism of the present invention;

FIG. 4 is a perspective view of the connection mechanism of the present invention;

FIG. 5 is a bottom perspective view of the pulley and ratchet of the present invention;

FIG. 6 is a perspective view of the illumination mechanism of the present invention;

FIG. 7 is a partially sectioned perspective view of the electric telescopic rod and the adjusting mechanism of the present invention;

fig. 8 is a partially sectioned perspective view of the structure of the adjustment mechanism of the present invention.

In the figure: 1. an electric telescopic rod; 2. a clamping and mounting mechanism; 21. an outer rod; 22. a movable sliding sleeve; 23. a first rotating lever; 24. a first limit rod; 25. a clamping rod; 3. an adjustment mechanism; 31. a load-bearing bar; 32. a first movable bar; 33. a limiting block; 34. a first spring; 35. a first connecting rod; 4. a top cover plate; 5. connecting a long rod; 6. an irradiation mechanism; 61. a top ring; 62. fixing grooves; 63. a first hinge lever; 64. illuminating a lamp; 65. a second connecting rod; 66. fixing a sleeve; 67. a second rotating lever; 68. a second movable bar; 69. a movable arc-shaped rod; 7. a connecting mechanism; 71. a movable ring; 72. a second spring; 73. a second limiting rod; 8. a first gear; 9. a second gear; 10. a belt pulley; 11. a ratchet wheel; 12. a second hinge lever; 13. and a third spring.

The specific implementation mode is as follows:

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. 1-8, an embodiment of the present invention: an auxiliary device for minimally invasive surgery of hepatobiliary surgery comprises an electric telescopic rod 1, wherein a clamping and mounting mechanism 2 is fixedly mounted on the surface of the bottom end of the electric telescopic rod 1, the clamping and mounting mechanism 2 comprises an outer rod 21 and a movable sliding sleeve 22, the movable sliding sleeve 22 is inserted in the outer rod 21, a first rotating rod 23 is inserted in the movable sliding sleeve 22, a first limiting rod 24 is fixedly connected to the right side of the movable sliding sleeve 22, a clamping rod 25 is fixedly connected to the surface of the right side of the first limiting rod 24, an adjusting mechanism 3 is hinged to the top end of the electric telescopic rod 1, the adjusting mechanism 3 comprises a bearing rod 31 and a first movable rod 32, an inner cavity is formed in the top end of the electric telescopic rod 1, a second gear 9 and a ratchet 11 are mounted in the inner cavity through a bearing, the second gear 9 is connected with the ratchet 11 through a belt pulley 10, and a second hinged rod 12 is meshed with the surface of the ratchet 11 and abutted, the second hinged rod 12 is installed inside the inner cavity through a bearing, the surface of the second hinged rod 12 is fixedly connected with the inner wall of the inner cavity through a third spring 13, a first gear 8 is fixedly installed at the center position of the top end of the electric telescopic rod 1, a first movable rod 32 is inserted into the right side of the bearing rod 31, the surfaces of the two sides of the first movable rod 32 abut against a limiting block 33, one side surface of the limiting block 33, which is far away from the first movable rod 32, is inserted into the bearing rod 31, the surface of one side of the limiting block 33, which is inserted into the bearing rod 31, is symmetrically and fixedly provided with a first spring 34, and the right side of the first movable rod 32 is fixedly provided with a first connecting rod 35;

further, the first rotating rod 23 is installed inside the outer rod 21 through a bearing, opposite external threads are distributed on the surface of the first rotating rod 23 from the center position to two sides, internal threads matched with the external threads on the surface of the first rotating rod 23 are formed in the inner wall of the movable sliding sleeve 22, the movable sliding sleeve 22 is sleeved on the surface of the first rotating rod 23, the first rotating rod 23 and the movable sliding sleeve 22 are in threaded sliding connection, the first rotating rod 23 rotates to drive the movable sliding sleeve 22 to slide inside the outer rod 21, the two groups of clamping rods 25 are driven to slide and approach, and the clamping rods 25 abut against the tabletop through protrusions on the surface of the clamping rods 25, so that the clamping and installing mechanism 2 is prevented from slipping and falling off the tabletop;

further, the first limiting rod 24 is T-shaped, the right side surface of the outer rod 21 is provided with a sliding groove corresponding to the first limiting rod 24, the left side of the first limiting rod 24 is inserted into the sliding groove, the left side surface of the first limiting rod 24 is fixedly connected with the movable sliding sleeve 22, and the movable sliding sleeve 22 is limited when sliding through the first limiting rod 24 being located inside the sliding groove, so that the movable sliding sleeve 22 is prevented from rotating inside the outer rod 21;

further, the surface of the bearing rod 31 is sleeved with a movable ring 71, the bottom end of the movable ring 71 is fixedly connected with a top cover plate 4, the bottom end of the top cover plate 4 is uniformly fixedly connected with a connecting long rod 5 in an annular array, the bottom end of the connecting long rod 5 is fixedly connected with an irradiation mechanism 6, the irradiation mechanism 6 comprises a top ring 61 and a fixed groove 62, the bottom end surface of the fixed groove 62 is fixedly connected with the fixed groove 62 in an annular array, the bottom end of the fixed groove 62 is hinged with a first hinge rod 63, the surface of the first hinge rod 63 is fixedly provided with an irradiation lamp 64, the two sides of the bottom end of the top ring 61 are connected with a fixed sleeve 66 through a second connecting rod 65, a second rotating rod 67 is inserted in the fixed sleeve 66, the two side surfaces of the second rotating rod 67 are symmetrically sleeved with second movable rods 68, the bottom end of the second movable rods 68 is fixedly connected with movable arc rods 69, the irradiation lamp 64 is adjusted to irradiate the wound of the patient conveniently, and the second rotating rod 67 rotates to drive the second movable rod 68 to rotate, so that the movable arc-shaped rod 69 is adjusted to be matched with the wound of the patient conveniently;

furthermore, the two side surfaces of the first movable rod 32 are symmetrically provided with limit grooves corresponding to the limit blocks 33, the limit blocks 33 are inserted into the limit grooves, the limit blocks 33 are connected with the first movable rod 32 in a clamping manner, the inner wall of the bearing rod 31 is provided with rectangular grooves corresponding to the limit blocks 33, and the first spring 34 is fixedly arranged in the rectangular groove, one end of the first spring 34 is fixedly connected with the inner wall of the rectangular groove, the other end of the first spring 34 is fixedly connected with the surface of the rectangular groove in an inserting manner through the limit block 33, the limit action of the first movable rod 32 is facilitated through the limit block 33, meanwhile, the limiting block 33 is clamped inside the limiting groove on the surface of the first movable rod 32 through the self expansion force of the first spring 34 to limit and fix, so that the first movable rod 32 is prevented from sliding inside the bearing rod 31 to influence the normal use of the irradiation mechanism 6;

further, the limiting blocks 33 are inserted into the two side surfaces inside the rectangular groove and are symmetrically and fixedly connected with sliding blocks, sliding grooves corresponding to the sliding blocks are formed in the inner walls of the two sides of the rectangular sliding grooves, the sliding blocks are inserted into the sliding grooves, the limiting blocks 33 are slidably connected with the bearing rods 31, the limiting blocks 33 slide towards the inside of the sliding grooves through the interference of the first movable rods 32, the limiting blocks 33 slide inside the sliding grooves through the limiting blocks 33, and the length of the limiting blocks 33 is adjusted;

furthermore, the right side surface of the first connecting rod 35 is sleeved with the connecting mechanism 7, the connecting mechanism 7 comprises a movable ring 71 and a second spring 72, an annular groove is formed in an inner ring of the movable ring 71, a second limiting rod 73 is inserted into the annular groove, the second spring 72 is inserted into the second limiting rod 73, one end, away from the inside of the second limiting rod 73, of the second spring 72 is fixedly connected with the inner wall of the annular sliding groove, the surface, away from the second spring 72, of one side of the second limiting rod 73 is an arc surface, the surface is arranged through the arc surface, and is convenient to abut against and slide with the surface of the bearing rod 31, and the second limiting rod 73 abuts against the surface of the bearing rod 31 through the arranged second spring 72 under the action of the self expansion force of the second spring 72, so that the connecting mechanism 7 is prevented from sliding;

further, opposite external threads are distributed on the surface of the second rotating rod 67 from the central position to two sides, a hole groove corresponding to the second rotating rod 67 is formed in the top end surface of the second movable rod 68, an internal thread corresponding to the external thread of the second rotating rod 67 is formed in the inner wall of the hole groove, the second movable rod 68 is sleeved on the surface of the second rotating rod 67, the first hinge rod 63 is rotated to adjust the reflector lamp 64, so that the wound of the patient can be irradiated conveniently, the second rotating rod 67 is arranged to rotate to drive the second movable rod 68 to rotate, the movable arc-shaped rod 69 is adjusted, and the movable arc-shaped rod 69 can be matched with the wound of the patient conveniently;

the working principle is as follows: when the device is used, according to the attached drawings 1 and 3, an operator manually rotates the first rotating rod 23, the first rotating rod 23 rotates to drive the movable sliding sleeve 22 to slide and approach in the outer rod 21, the clamping rod 25 is clamped on one side surface of the operating table, then, according to the attached drawings 1 and 6, the operator manually rotates the first hinge rod 63 to adjust the angle of the irradiation lamp 64, so as to irradiate the wound of a patient conveniently, medical staff can carefully check the wound, the movable arc-shaped rod 69 corresponds to the wound of the patient, the second rotating rod 67 is rotated to drive the second movable rod 68 to slide towards two sides, the wound is assisted to be opened, so as to facilitate the operation in the wound, when the device is required to be sterilized, the second hinge rod 12 is manually rotated, the second hinge rod 12 is far away from teeth on the surface of the ratchet wheel 11, and the third spring 13 is stressed to be in a contracted state, the ratchet wheel 11 rotates to drive the second gear 9 to rotate through the belt pulley 10, and the adjusting mechanism 3 is hinged to rotate and is parallel to the electric telescopic rod 1, so that the device is convenient to carry and sterilize;

when the irradiation mechanism 6 needs to be detached for sterilization, according to fig. 2 and fig. 4, the medical care hand pulls the connection mechanism 7 to slide to the right side on the surface of the bearing rod 31, the second limit rod 73 is in sliding contact with the surface of the bearing rod 31 and slides into the annular sliding groove formed in the movable ring 71, the second spring 72 is stressed to be in a contracted state, when the movable ring 71 slides out of the surface of the bearing rod 31, the irradiation mechanism 6 is detached, and the operation is completed, which is the whole working principle of the invention.

It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides a hepatobiliary surgery auxiliary device for minimal access surgery, includes electronic flexible rod (1), its characterized in that: the clamping and installing mechanism (2) is fixedly installed on the surface of the bottom end of the electric lifting and retracting rod (1), the clamping and installing mechanism (2) comprises an outer rod (21) and a movable sliding sleeve (22), the movable sliding sleeve (22) is inserted into the outer rod (21), a first rotating rod (23) is inserted into the movable sliding sleeve (22), a first limiting rod (24) is fixedly connected to the right side of the movable sliding sleeve (22), a clamping rod (25) is fixedly connected to the surface of the right side of the first limiting rod (24), the top end of the electric lifting and retracting rod (1) is hinged to a regulating mechanism (3), the regulating mechanism (3) comprises a bearing rod (31) and a first movable rod (32), an inner cavity is formed in the top end of the electric lifting and retracting rod (1), a second gear (9) and a ratchet wheel (11) are installed in the inner cavity through a bearing, the second gear (9) is connected with the ratchet wheel (11) through a belt pulley (10), the surface of the ratchet wheel (11) is engaged and butted with a second hinged rod (12), the second hinged rod (12) is arranged in the inner cavity through a bearing, the surface of the second hinged rod (12) is fixedly connected with the inner wall of the inner cavity through a third spring (13), a first gear (8) is fixedly arranged at the center of the top end of the electric telescopic rod (1), a first movable rod (32) is inserted into the right side of the bearing rod (31), and the two side surfaces of the first movable rod (32) are butted with a limit block (33), one side surface of the limit block (33) far away from the first movable rod (32) is inserted in the bearing rod (31), the surface of one side of the limiting block (33) inserted in the bearing rod (31) is symmetrically and fixedly provided with a first spring (34), and a first connecting rod (35) is fixedly arranged on the right side of the first movable rod (32).

2. The auxiliary device for minimally invasive hepatobiliary surgery according to claim 1, wherein: first pivot pole (23) are installed in the inside of outer pole (21) through the bearing, the surface of first pivot pole (23) is put from the central point and is distributed to both sides for opposite external screw thread, the internal thread with first pivot pole (23) surface external screw thread looks adaptation is seted up to the inner wall of activity sliding sleeve (22), the surface at first pivot pole (23) is established to activity sliding sleeve (22) cover, first pivot pole (23) are screw thread sliding connection with activity sliding sleeve (22).

3. The auxiliary device for minimally invasive hepatobiliary surgery according to claim 1, wherein: first gag lever post (24) are T shape, the right side surface of outer pole (21) is seted up with the corresponding spout of first gag lever post (24), the inside of establishing the spout is inserted in the left side of first gag lever post (24), the left side surface and the activity sliding sleeve (22) fixed connection of first gag lever post (24).

4. The auxiliary device for minimally invasive hepatobiliary surgery according to claim 1, wherein: the surface of the bearing rod (31) is sleeved with a movable ring (71), the bottom end of the movable ring (71) is fixedly connected with a top cover plate (4), the bottom end of the top cover plate (4) is uniformly connected with a connecting long rod (5) in an annular array manner, the bottom end of the connecting long rod (5) is fixedly connected with an irradiation mechanism (6), the irradiation mechanism (6) comprises a top ring (61) and a fixed groove (62), the bottom end surface of the fixed groove (62) is in an annular array manner and is fixedly connected with the fixed groove (62), the bottom end of the fixed groove (62) is hinged and connected with a first hinge rod (63), the surface of the first hinge rod (63) is fixedly provided with an irradiation lamp (64), the two sides of the bottom end of the top ring (61) are connected with a fixed sleeve (66) through second connecting rods (65), a second rotating rod (67) is inserted in the fixed sleeve (66), and the two side surfaces of the second rotating rod (67) are symmetrically, the bottom end of the second movable rod (68) is fixedly connected with a movable arc-shaped rod (69).

5. The auxiliary device for minimally invasive hepatobiliary surgery according to claim 1, wherein: the utility model discloses a limiting groove, including stopper (33), limiting groove, limiting block (33), first movable rod (32), stopper (33) are inserted and are established the inside in limiting groove, stopper (33) are connected for the snap-on with first movable rod (32), the rectangular channel corresponding with stopper (33) is seted up to the inner wall of bearing bar (31), and the inside fixed mounting of rectangular channel has first spring (34), the one end of first spring (34) and the inner wall fixed connection of rectangular channel, the fixed surface connection of establishing the rectangular channel is inserted with stopper (33) to the other end of first spring (34).

6. The auxiliary device for minimally invasive hepatobiliary surgery according to claim 1, wherein: the limiting block (33) is inserted into the two side surfaces of the rectangular groove, the sliding blocks are symmetrically and fixedly connected with the surfaces of the two sides of the rectangular groove, sliding grooves corresponding to the sliding blocks are formed in the inner walls of the two sides of each rectangular sliding groove, the sliding blocks are inserted into the sliding grooves, and the limiting block (33) is in sliding connection with the bearing rod (31).

7. The auxiliary device for minimally invasive hepatobiliary surgery according to claim 1, wherein: the right side surface cover of head rod (35) is equipped with coupling mechanism (7), and coupling mechanism (7) are including activity ring (71) and second spring (72), the ring channel has been seted up to the inner circle of activity ring (71), and the inside of ring channel is inserted and is equipped with second gag lever post (73), the inside of second gag lever post (73) is inserted and is equipped with second spring (72), and second spring (72) keep away from the inside one end of second gag lever post (73) and the inner wall fixed connection of annular chute, a side surface that second spring (72) were kept away from in second gag lever post (73) is the arc surface.

8. The auxiliary device for minimally invasive hepatobiliary surgery according to claim 4, wherein: the surface of second dwang (67) puts from the central point and has seted up opposite external screw thread to both sides distribution, the top surface of second movable rod (68) is seted up with the corresponding hole groove of second dwang (67), the internal thread corresponding with second dwang (67) external screw thread is seted up to the inner wall in hole groove, the surface at second dwang (67) is established to second movable rod (68) cover.