CN117942143A - Puncture device with multi-angle adjusting function for internal medicine - Google Patents
Puncture device with multi-angle adjusting function for internal medicine Download PDFInfo
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- CN117942143A CN117942143A CN202410347992.9A CN202410347992A CN117942143A CN 117942143 A CN117942143 A CN 117942143A CN 202410347992 A CN202410347992 A CN 202410347992A CN 117942143 A CN117942143 A CN 117942143A
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- Infusion, Injection, And Reservoir Apparatuses (AREA)
Abstract
The invention discloses a puncture device with a multi-angle adjusting function for medical use, which relates to the technical field of medical appliances. Including the installation shell, the installation shell rigid coupling has the adjustment area, the spacing sliding connection of adjustment area has the slide rail, the spacing sliding connection of slide rail has symmetrical distribution's shoulder frame, installation shell sliding connection has the ball ring, the ball ring is provided with the installation section of thick bamboo, the rigid coupling has symmetrical distribution's locating part in the installation section of thick bamboo, symmetrical distribution the common rigid coupling of locating part has passive telescopic link, the flexible end rigid coupling of passive telescopic link has the installation piece, installation piece run-through sliding connection has the pjncture needle. According to the invention, the mounting shell is fixed on the back of a patient through the shoulder frame, and meanwhile, the puncture needle is driven to move for puncture by utilizing the hydraulic transmission, so that medical staff cannot directly contact with the puncture needle in the puncture process, and the probability that the puncture needle stirs and scratches the skin and viscera of the patient in the patient body is reduced when the patient is subjected to pain and shake.
Description
Technical Field
The invention relates to the technical field of medical instruments, in particular to a puncture device with a multi-angle adjusting function for internal medicine.
Background
Puncture is a common procedure in medical technology, which is a means of inserting a puncture needle into a body cavity to extract secretions or injecting contrast media for performing an assisted assay or examination, wherein thoracocentesis is one of four punctures, and the main purpose of the puncture is to extract pleural effusion, perform an assay to examine diseases, require a patient to sit on a puncture chair and remain motionless during thoracocentesis, and then perform local anesthesia on a position to be punctured by a medical staff, but the patient still feels pain during puncture, wherein when some patients feel pain, the body can unconsciously generate shaking, and the doctor's hand can be regarded as stationary at this time, and when the patient shakes, the puncture needle deflects in the patient, so that the puncture needle is stirred in the patient, and hurts the skin and internal organs of the patient.
Disclosure of Invention
The invention provides a puncture device with a multi-angle adjusting function for medical department, which overcomes the defect that a puncture needle is stirred in a patient body to cause injury to the patient due to pain and shake of the patient during puncture.
The technical proposal is as follows: the utility model provides a puncture device with multi-angle regulatory function for internal medicine, includes the installation shell, the installation shell rigid coupling has the regulation area, the regulation area is kept away from one side limit sliding connection of installation shell has the slide rail, the spacing sliding connection of slide rail has symmetrical distribution's shoulder frame, shoulder frame rigid coupling has the backup pad, the backup pad is the atress deformable material for laminating different patient's shoulder, installation shell sliding connection has the ball ring, the ball ring is provided with the installation section of thick bamboo, the rigid coupling has symmetrical distribution's locating part in the installation section of thick bamboo, symmetrical distribution the common rigid coupling of locating part has passive telescopic link, the flexible end rigid coupling of passive telescopic link has the installation piece, installation piece run-through sliding connection has the pjncture needle, the locating part with pjncture needle sliding connection, passive telescopic link rigid coupling and intercommunication have the connecting pipe, the installation shell be provided with the initiative telescopic link of connecting pipe intercommunication, passive telescopic link with all deposit hydraulic oil in the initiative telescopic link.
Further, the ball ring with the position of installation shell contact is the sphere, is used for adjusting the ball ring central axis with contained angle between the installation shell, the installation shell is kept away from one side threaded connection of adjusting belt has the locking knob, the locking knob with ball ring extrusion fit.
Further, spacing sliding connection has spacing voussoir in the installation piece, spacing voussoir with the spacing cooperation of pjncture needle, spacing voussoir is kept away from one side rigid coupling of pjncture needle has the traveller, the traveller with installation piece sealing sliding connection, and above-mentioned two cooperation form the chamber that resets, the chamber that resets has gas.
Further, one side sliding connection that the shoulder frame is close to the slide rail has spacing post, shoulder frame and adjacent rigid coupling has the spring between the spacing post, the slide rail be provided with the equidistance and with the symmetric distribution spacing complex recess of spacing post.
Further, the installation shell rigid coupling has a locating cylinder of annular distribution, the locating cylinder rigid coupling has the elastic ring, sealed sliding connection has the piston rod in the locating cylinder, annular distribution the piston rod keep away from adjacent the common rigid coupling of one side of elastic ring has the connection arc, the connection arc with installation shell sliding connection, the locating cylinder with the rigid coupling has the spring between the connection arc.
Further, the device comprises a unidirectional wedge block, the unidirectional wedge block is in limiting sliding connection with the ball ring, a spring is fixedly connected between the ball ring and the ball ring, the mounting cylinder is provided with equidistant grooves matched with the unidirectional wedge block in limiting sliding connection with the mounting cylinder, one side of the mounting cylinder, far away from the mounting block, is provided with a symmetrically distributed support frame through a support frame in limiting sliding connection, the support frame is fixedly connected with the spring between adjacent supports on the mounting cylinder, one side of the support frame, far away from the mounting cylinder, is provided with a flexible shaft in limiting rotation connection, the flexible shaft is fixedly connected with an elastic column with arc-shaped equidistant, the flexible shaft is fixedly connected with a first belt pulley in symmetrical distribution, the support frame is connected with a second belt pulley in symmetrical distribution through support rotation, and a belt is sleeved between the first belt pulley and the adjacent second belt pulley.
Further, the installation section of thick bamboo is close to the symmetric distribution one side rigid coupling of support frame has the location piece of central symmetry distribution, the support frame rigid coupling has the link, link seal sliding connection has the gag lever post, just the link with it is adjacent the gag lever post cooperation forms spacing chamber, it has gas to deposit in the spacing chamber, the installation section of thick bamboo is close to the symmetric distribution one side rotation of support frame is connected with the lock ring, the gag lever post with the spacing cooperation of lock ring, the lock ring with the rigid coupling has the torsional spring between the installation section of thick bamboo, the lock ring is provided with the spacing recess of symmetric distribution, spacing recess with adjacent the spacing cooperation of gag lever post, the lock ring rigid coupling has the movable stopper of central symmetry distribution, movable stopper and adjacent together with adjacent the cooperation of location piece belt extrusion, the lock ring is provided with the reset groove of symmetric distribution, reset groove with adjacent the gag lever post sliding fit.
Further, the included angle formed by the limiting groove, the adjacent reset groove and the central axis of the locking ring in the horizontal direction is smaller than the included angle formed by the positioning block, the adjacent movable limiting block and the central axis of the locking ring in the horizontal direction, so that the locking ring can limit the adjacent limiting rod.
Further, the device also comprises a placing block fixedly connected to one side, far away from the installing block, of the passive telescopic rod, sterile cotton is placed in the placing block, and the puncture needle penetrates through the placing block and is matched with the sterile cotton in a contact manner.
Further, the locating part rigid coupling has the telescopic link that bleeds, the flexible end of telescopic link that bleeds with the installation piece rigid coupling, place the piece and be provided with rather than the inside through-hole of intercommunication, the telescopic link that bleeds is kept away from one side of installation piece is passed through place the through-hole of piece and its inside intercommunication.
In summary, the present application includes at least one of the following beneficial technical effects: according to the application, the mounting shell is fixed on the back of a patient through the shoulder rest, and the puncture needle is driven to move by utilizing the hydraulic transmission to puncture, so that medical staff cannot directly contact with the puncture needle in the puncture process, and when the patient is painful and shakes, the patient can drive the puncture needle to move together, and the probability that the puncture needle stirs and scratches the skin and viscera of the patient in the patient is reduced; when the elastic columns are contacted with the skin of a patient, the elastic columns rotate simultaneously to stretch and fix the skin of the position to be punctured by the patient, so that the puncture needle is prevented from driving the skin to move during puncturing, the unification of the marking position and the position to be punctured is ensured, and the accuracy of puncturing is improved; when the puncture needle is pulled out, the body fluid adhered on the puncture needle is absorbed by the sterile cotton, and the diffusion of the body fluid on the sterile cotton is quickened by utilizing the directional air flow, so that the absorption rate of the sterile cotton to the body fluid on the puncture needle is improved.
Drawings
FIG. 1 is a schematic perspective view of the present invention;
FIG. 2 is a schematic perspective view of the mounting shell, ball ring and mounting barrel of the present invention;
FIG. 3 is a schematic perspective view of the passive telescoping rod, mounting block and puncture needle of the present invention;
FIG. 4 is a schematic perspective view of the passive telescopic rod and the puncture needle of the present invention;
FIG. 5 is an enlarged view of a portion of the invention at A in FIG. 4;
FIG. 6 is a schematic perspective view of the positioning barrel, elastic ring and piston rod of the present invention;
FIG. 7 is a schematic perspective view of the shoulder rest, support plate and spacing post of the present invention;
FIG. 8 is a schematic perspective view of the ball ring, mounting cylinder and one-way wedge of the present invention;
FIG. 9 is a schematic perspective view of the support frame, flexible shaft and elastic column of the present invention;
FIG. 10 is a schematic perspective view of the connector, stop bar and locking ring of the present invention;
FIG. 11 is a perspective view of a cross-section of the connector and stop lever of the present invention;
FIG. 12 is a schematic perspective view of a passive telescoping rod, mounting block and suction telescoping rod of the present invention;
fig. 13 is a schematic perspective view of the puncture needle, placement block and sterile cotton of the present invention.
Part names and serial numbers in the figure: 1-mounting shell, 2-adjusting belt, 3-sliding rail, 4-shoulder frame, 401-supporting plate, 5-ball ring, 6-mounting cylinder, 7-limiting piece, 8-passive telescopic rod, 9-mounting block, 10-puncture needle, 11-connecting pipe, 12-active telescopic rod, 13-locking knob, 14-limiting wedge block, 15-sliding column, 151-reset cavity, 16-limiting column, 17-positioning cylinder, 18-elastic ring, 19-piston rod, 20-connecting arc, 21-unidirectional wedge block, 22-supporting frame, 23-flexible shaft, 24-elastic column, 25-first belt pulley, 251-second belt pulley, 26-belt, 27-positioning limiting block, 28-connecting frame, 281-limiting rod, 282-limiting cavity, 29-locking ring, 291-limiting groove, 292-reset groove, 30-moving limiting block, 31-placing block, 32-sterile cotton and 33-pumping telescopic rod.
Detailed Description
The following describes in detail a preferred embodiment of the present invention with reference to fig. 1-13, wherein the adjusting strap 2 is of a conventional structure, similar to the adjustable buckle structure of a backpack, not shown in the drawings, and the rotation angle is from top to bottom.
Example 1: in the process of thoracocentesis, a plurality of patients can shake due to pain, and in the case, if a doctor does not respond timely, the puncture needle can stir in the patient to scratch the skin and organs of the patient, the puncture device is fixed on the back of the patient, and the probability of injury when the patient shakes is reduced by adopting a mode that medical staff is not directly contacted with the puncture needle 10.
Based on the above-mentioned problems, the invention provides a puncture device with multi-angle adjusting function for medical use, please refer to fig. 1-4, which comprises a mounting shell 1, an adjusting belt 2 is fixedly connected to the middle of the rear side of the mounting shell 1, the adjusting belt 2 is made of a non-telescopic rope belt, the rear limit sliding connection of the adjusting belt 2 is provided with a sliding rail 3, the rear limit sliding connection of the sliding rail 3 is provided with two shoulder frames 4 symmetrically distributed, the rear side of the shoulder frame 4 is fixedly connected with a supporting plate 401, the supporting plate 401 is made of a stressed deformable material and is used for attaching shoulders of different patients, the puncture device is fixed on the back of the patient, a ball ring 5 is slidably connected to the mounting shell 1, the contact position of the ball ring 5 and the mounting shell 1 is spherical, the ball ring 5 can deflect relative to the mounting shell 1, the included angle between the central axis of the ball ring 5 and the mounting shell 1 is used for adjusting the included angle between the puncture needle 10 and the skin of the patient, the middle part of the ball ring 5 is provided with a mounting cylinder 6, two limiting pieces 7 which are vertically and symmetrically distributed are fixedly connected in the mounting cylinder 6, the left parts of the two limiting pieces 7 which are symmetrically distributed are fixedly connected with a passive telescopic rod 8, the telescopic ends of the passive telescopic rod 8 face upwards and are fixedly connected with a mounting block 9, the middle part of the mounting block 9 is connected with a puncture needle 10 in a penetrating and sliding manner, the upper part of the puncture needle 10 is provided with a step surface, the upper end of the puncture needle 10 is connected with a guide pipe which is used for being connected with an injector, the puncture needle 10 penetrates through the middle part of the limiting piece 7 and is in sliding connection with the same, through holes are formed in the front part and the rear part of the limiting piece 7, a marking part on the skin of a patient is conveniently observed by medical staff, the lower section of the passive telescopic rod 8 is fixedly connected with a connecting pipe 11, the mounting shell 1 is provided with an active telescopic rod 12, the connecting pipe 11 is communicated with the upper part of the fixing part of the active telescopic rod 12, the upper end of the flexible end of initiative telescopic link 12 is provided with the ring, and when using, medical personnel inserts the finger in the ring of the flexible end upper end of initiative telescopic link 12 to the flexible of the flexible end of control initiative telescopic link 12, and passive telescopic link 8 and the flexible end of initiative telescopic link 12 are the state of stretching out all in the initial, all have deposited hydraulic oil in the fixed part of passive telescopic link 8, connecting pipe 11 and the upper portion of initiative telescopic link 12 fixed part.
Referring to fig. 1,2 and 6, a locking knob 13 is screwed in the middle of the front side of the installation shell 1, the rear end of the locking knob 13 is in press fit with the ball ring 5, the rear end of the locking knob 13 is not contacted with the side surface of the ball ring 5 at first, when the ball ring 5 needs to be limited, a medical staff rotates the locking knob 13 to enable the locking knob 13 to move towards the direction close to the ball ring 5 and finally contacts with the side surface of the ball ring 5 to limit the locking knob.
Referring to fig. 3-5, a limit wedge 14 is slidingly connected to the right portion of the upper side in the mounting block 9, the limit wedge 14 is in limit fit with the step surface of the puncture needle 10, when a medical staff inserts the puncture needle 10 into the mounting block 9, the puncture needle 10 extrudes the limit wedge 14 rightward until the lower side surface of the limit wedge 14 is coplanar with the step surface of the puncture needle 10, the limit wedge 14 moves leftwards to reset and limit the puncture needle 10, a slide column 15 is fixedly connected to the lower portion of the right side of the limit wedge 14, the slide column 15 is in seal sliding connection with the upper portion of the mounting block 9, the right side of the slide column 15 is matched with the mounting block 9 to form a reset cavity 151, gas is stored in the reset cavity 151, and the gas pressure is greater than the resistance of the movement of the limit wedge 14.
Referring to fig. 1 and 7, a limiting post 16 is slidably connected to the middle of the front side of the shoulder frame 4, the front end of the limiting post 16 is hemispherical, a spring is fixedly connected between the shoulder frame 4 and the rear side of the adjacent limiting post 16, the sliding rail 3 is provided with equidistant hemispherical grooves, the adjacent limiting posts 16 of the grooves on the sliding rail 3 are in limit fit, initially, the limiting post 16 protrudes out of the adjacent shoulder frame 4 and contacts with the adjacent grooves on the sliding rail 3 to limit the adjacent shoulder frame 4, and when the shoulder frame 4 moves along the sliding rail 3, the grooves on the sliding rail 3 squeeze the hemispherical surfaces of the adjacent limiting posts 16 to enable the limiting posts 16 to move into the adjacent shoulder frame 4, and limit of the limiting posts 16 on the adjacent shoulder frame 4 is relieved.
Referring to fig. 1, 2 and 6, four positioning barrels 17 distributed in a ring shape are fixedly connected to the lower portion of the circumference side of the installation shell 1, an elastic ring 18 is fixedly connected to the lower side of the positioning barrels 17, the elastic ring 18 is made of elastic materials, the elastic ring 18 is convenient to be attached to the skin of a patient, piston rods 19 are connected to the upper portion in the positioning barrels 17 in a sealing sliding manner, connecting arcs 20 connected with the installation shell 1 in a sliding manner are fixedly connected to the upper sides of the four piston rods 19 distributed in a ring shape together, and springs are fixedly connected between the upper sides of the positioning barrels 17 and the connecting arcs 20.
When the patient needs to be subjected to thoracocentesis, medical staff streaks at the position of the patient needing to be subjected to thoracocentesis under the assistance of ultrasonic and other instruments, then the medical staff guides the patient to ride on a puncture chair, the shape of a supporting plate 401 is adjusted according to the shape of the shoulder of the patient, the two supporting plates 401 are respectively placed on the shoulders of the patient, the supporting plate 401 is attached to the shoulders of the patient, the distance between the two shoulder frames 4 is adjusted in the process of placing the supporting plate 401 on the shoulders of the patient, the shoulder frames 4 drive the adjacent supporting plate 401 and the limiting column 16 to move along the sliding rail 3, in the process, the groove of the sliding rail 3 extrudes the limiting column 16 into the adjacent shoulder frames 4, the adjacent spring of the limiting column 16 is compressed, when the movement of the shoulder frames 4 is stopped, the limiting column 16 enters the adjacent groove on the sliding rail 3 under the action of the adjacent spring, the adjacent shoulder frames 4 are limited, then the medical staff adjusts the length of the adjusting belt 2, the center point of the mounting cylinder 6 and the patient to be in the same horizontal plane, and the position to be subjected to thorughing is ready.
After the preparation work is finished, medical staff disinfects and anesthetizes a patient, the medical staff moves the central point of the installation shell 1 to the position to be punctured of the patient, the installation shell 1 drives the adjusting belt 2 to slide along the sliding rail 3, the medical staff observes the marking position through the through hole on the limiting piece 7, when the marking position is positioned on the skin of the patient and is positioned on the central axis of the installation shell 1, the installation shell 1 stops moving, then the medical staff pushes the connecting arc 20 downwards along the installation shell 1, the connecting arc 20 pushes the four piston rods 19 downwards along the adjacent positioning cylinders 17, springs adjacent to the positioning cylinders 17 are compressed, then the medical staff moves the installation shell 1 to the direction to be punctured of the patient, the installation shell 1 drives the four positioning cylinders 17 to move, the elastic rings 18 gradually contact with the skin of the patient, when the four elastic rings 18 are in contact with the skin of the patient, at the moment, the positioning cylinders 17, the adjacent elastic rings 18, the adjacent piston rods 19 are matched with the skin of the patient to form a cavity, then the connecting arc 20 is loosened, the connecting arc 20 drives the four piston rods 19 to respectively upwards move along the adjacent positioning cylinders 17 under the action of the four springs, the volume of the adjacent positioning cylinders 17 is increased, and simultaneously the volume of the adjacent cavity is reduced, and the pressure intensity of the skin of the patient is sucked into the cavity of the patient in the patient, and the cavity is fixed in the back 1.
After the mounting shell 1 is fixed on the back of a patient, the medical staff pushes the ball ring 5 to swing relative to the mounting shell 1, so that the central axis of the ball ring 5 is perpendicular to the marking position on the skin of the patient, then the medical staff rotates the locking knob 13, the locking knob 13 moves towards the ball ring 5 along the direction of the mounting shell 1 through threads and finally contacts with the ball ring 5, the ball ring 5 is extruded and limited, at the moment, the medical staff passes the puncture needle 10 through the mounting block 9 from top to bottom, the upper part of the puncture needle 10 gradually enters the mounting block 9, the puncture needle is pushed into the mounting block 9 along the inclined plane of the limiting wedge 14, the limiting wedge 14 drives the sliding column 15 to move, so that the volume of the reset cavity 151 is reduced, meanwhile, the internal air pressure is increased, and when the step surface at the upper part of the puncture needle 10 contacts with the limiting wedge 14, the limiting wedge 14 and the sliding column 15 move towards the central axis of the mounting block 9 under the pushing of air in the adjacent reset cavity 151, so that the limiting wedge 14 gradually contacts with the step surface at the upper part of the puncture needle 10 and limits the puncture needle 10.
When the puncture needle 10 moves downwards, the puncture needle 10 gradually contacts with and slides along the two limiting pieces 7, after the limiting wedge 14 limits the puncture needle 10, a medical staff holds the active telescopic rod 12 and slowly compresses the telescopic end of the active telescopic rod 12 towards the active telescopic rod, the active telescopic rod 12 extracts hydraulic oil in the passive telescopic rod 8 through the connecting pipe 11, the telescopic end of the passive telescopic rod 8 contracts, the telescopic end of the passive telescopic rod 8 drives the puncture needle 10 to move downwards through the mounting block 9, the puncture needle 10 gradually contacts with the skin of a patient and punctures the skin, so that the patient can drive the puncture needle 10 to move together when the patient shakes due to pain, the phenomenon that the puncture needle 10 stirs the skin or organs of the patient in the shaking process is avoided, after the puncture needle 10 punctures to a designated depth, a catheter connected with the upper end of the puncture needle 10 is connected with the injector, and the accumulated liquid in the patient is extracted through the injector, and the test is performed.
After the puncture is completed, medical staff outwards extracts the telescopic end of the active telescopic rod 12, in the process, the active telescopic rod 12 extrudes hydraulic oil in the active telescopic rod 12 and conveys the hydraulic oil into the passive telescopic rod 8 through the connecting pipe 11, the telescopic end of the passive telescopic rod 8 stretches out, the telescopic end of the passive telescopic rod 8 drives the puncture needle 10 to move upwards through the mounting block 9, the puncture needle 10 gradually loses contact with the skin of a patient, then the medical staff pushes the connecting arc 20 downwards, the process of downwards moving the connecting arc 20 is repeated, the volume in the adjacent cavity of the positioning cylinder 17 is reduced, the pressure is increased, the fixation between the mounting shell 1 and the skin of the patient is relieved, then the medical staff takes down the shoulder frame 4 from the shoulder of the patient, and continues the follow-up puncture process, the patient is wrapped up in the puncture position, after the puncture process is finished, the medical staff moves the limit wedge 14 to the right, the limit wedge 14 drives the sliding column 15 to move, the gas in the reset cavity 151 is compressed, the limit wedge 14 is released for the puncture needle 10, at the moment, the medical staff takes down the puncture needle 10, and the puncture is completed.
Only in this embodiment, the ball ring 5 and the mounting cylinder 6 are fixedly connected, and in the following embodiments, the ball ring and the mounting cylinder are in sliding connection.
Example 2: on the basis of embodiment 1, please refer to fig. 8-10, still include unidirectional wedge 21, unidirectional wedge 21 spacing sliding connection is in the left part of spherical collar 5 upside, and the rigid coupling has the spring between the lower part of unidirectional wedge 21 left side and spherical collar 5, the left part of installation section of thick bamboo 6 is provided with equidistant recess, the equidistant recess of installation section of thick bamboo 6 left part all with unidirectional wedge 21 spacing cooperation, initially, the lower part of unidirectional wedge 21 is located the recess that is adjacent on installation section of thick bamboo 6, it is spacing with installation section of thick bamboo 6, when pushing installation section of thick bamboo 6 moves down, installation section of thick bamboo 6 extrudes unidirectional wedge 21 and promotes it in spherical collar 5, make unidirectional wedge 21 lose contact with the recess that is adjacent on the installation section of thick bamboo 6 gradually, remove spacing to installation section of thick bamboo 6, spherical collar 5 and installation section of thick bamboo 6 spacing sliding connection, the lower part of installation section of thick bamboo 6 has two support frames 22 of bilateral symmetry distribution through spacing sliding connection of support frame, the rigid coupling has the spring between the adjacent support frame on the upper side of support frame 22 and the installation section of thick bamboo 6, the lower part spacing rotation connection of support frame 22 has flexible axle 23, flexible axle 23 is the existing part, flexible axle 23 is in the adjacent flexible axle 24, it has two adjacent flexible axle 24 to make two adjacent flexible axle shafts 24 to rotate together with two adjacent belt pulley 25, two elastic sleeve 25, the first pulley 25is changed the first and two adjacent two elastic sleeve 25 are equipped with the same pair of elastic sleeve 25, the first flexible axle 24 is just two adjacent two elastic sleeve roller 25is bent around the first roller 25.
Referring to fig. 9-11, two sets of positioning blocks 27 are fixedly connected to the lower portion of the mounting cylinder 6, each set of positioning blocks 27 comprises two positioning blocks 27, each positioning block 27 is located on one side of the mounting cylinder 6 close to an adjacent belt 26, a connecting frame 28 is fixedly connected to the upper side of the middle portion of the supporting frame 22, a limiting rod 281 is connected to the upper portion of the connecting frame 28 in a sealing sliding manner, an inclined plane is arranged on the upper portion of the side, away from the adjacent connecting frame 28, of the limiting rod 281, the connecting frame 28 cooperates with the adjacent limiting rod 281 to form a limiting cavity 282, gas is stored in the limiting cavity 282, a locking ring 29 is rotatably connected to the lower portion of the mounting cylinder 6, the locking ring 29 consists of a cylinder and an upper ring and a lower ring, the limiting rod 281 is in limit fit with the upper ring of the locking ring 29, the compressible amount of the gas in the limiting cavity 282 is consistent with the thickness of the upper ring of the locking ring 29, namely, when the mounting cylinder 6 drives the locking ring 29 to move downwards, the circular ring on the upper side of the locking ring 29 gradually contacts with the inclined surface of the limiting rod 281, the limiting rod 281 is extruded towards the direction of the adjacent connecting frame 28, until the upper side of the circular ring on the upper side of the locking ring 29 contacts with the limiting rod 281, the limiting rod 281 is reset under the pushing of the gas in the adjacent limiting cavity 282 and limits the adjacent supporting frame 22 through the adjacent connecting frame 28, a torsion spring with initial storage force is fixedly connected between the circular ring on the upper side of the locking ring 29 and the mounting cylinder 6, the circular ring on the upper side of the locking ring 29 is provided with symmetrically distributed limiting grooves 291, the limiting grooves 291 are in limiting fit with the adjacent limiting rod 281, and at first, one side of the limiting rod 281 away from the adjacent connecting frame 28 is positioned in the adjacent limiting groove 291, the locking ring 29 is limited, and then after the elastic column 24 contacts with the skin of a patient, the locking ring 29 is driven to move downwards along with the mounting cylinder 6, the limiting rod 281 slides along the adjacent limiting grooves 291, the limiting rod 281 gradually loses contact with the limiting grooves 291, the limiting of the locking ring 29 is released, two groups of movable limiting blocks 30 which are symmetrically distributed in the center are fixedly connected to the circular ring at the lower side of the locking ring 29, each group of movable limiting blocks 30 comprises two movable limiting blocks 30, each movable limiting block 30 is positioned at one side of the locking ring 29 close to the adjacent belt 26, the movable limiting blocks 30 and the adjacent positioning blocks 27 are jointly matched with the adjacent belt 26 in a pressing mode, after the limiting rod 281 moves out of the adjacent limiting grooves 291, the locking ring 29 drives the four movable limiting blocks 30 to rotate anticlockwise under the driving of the adjacent torsion springs, the movable limiting blocks 30 gradually contact with the adjacent belt 26 and press the adjacent positioning blocks 27, and finally the movable limiting blocks 30 and the adjacent positioning blocks 27 clamp and limit the adjacent belt 26, the circular ring at the lower side of the locking ring 29 is provided with symmetrically distributed reset grooves 292, the reset grooves 292 are in sliding fit with adjacent limiting rods 281, after the follow-up puncture is finished, the locking ring 29 is rotated clockwise by medical staff to reset the circular ring, the reset grooves 292 on the locking ring 29 gradually contact with the adjacent limiting rods 281 along with the rotation of the locking ring 29, at the moment, the limiting rods 281 move downwards along the adjacent reset grooves 292 under the driving of the adjacent supporting frames 22 and finally move into the adjacent limiting grooves 291, the included angle formed by the limiting grooves 291, the adjacent reset grooves 292 and the central axis of the locking ring 29 is smaller than the included angle formed by the limiting blocks 27, the adjacent movable limiting blocks 30 and the central axis of the locking ring 29, so that the locking ring 29 can limit the adjacent limiting rods 281, and the included angle formed by the limiting grooves 291, the adjacent reset grooves 292 and the central axis of the locking ring 29 is zero, i.e. the limit groove 291 is located on the same vertical line as the adjacent reset groove 292.
When the puncture is performed on old people or patients with loose skin, the puncture needle 10 can drive the skin to move during the puncture, so that the marking position of the skin is different from the actual position to be punctured, and therefore, medical staff is required to stretch the skin at the position to be punctured by using fingers during the puncture, and the marking position is offset due to different moving distances of the index finger and the thumb of the medical staff, so that the accuracy of the puncture is affected, and the solution method is as follows: after the medical staff limit the ball ring 5 through the locking knob 13, the medical staff pushes the mounting cylinder 6 downwards along the ball ring 5, the mounting cylinder 6 extrudes the inclined plane of the unidirectional wedge block 21, so that the unidirectional wedge block 21 moves towards the ball ring 5, adjacent springs of the unidirectional wedge block 21 are compressed, when the mounting cylinder 6 stops moving, the unidirectional wedge block 21 moves towards the direction of the central axis of the ball ring 5 under the action of the adjacent springs and gradually enters the adjacent grooves on the mounting cylinder 6, and the mounting cylinder 6 is limited.
In the process of downward movement of the mounting cylinder 6, the mounting cylinder 6 drives all parts on the mounting cylinder to move downward, so that the arc-shaped and symmetrically distributed elastic columns 24 are gradually contacted with the skin of a patient, the arc-shaped and symmetrically distributed elastic columns 24 are sequentially contacted with the skin of the patient, after the elastic columns 24 are contacted with the skin of the patient, the elastic columns 24 stop moving, at the moment, the elastic columns 24 drive the adjacent supporting frames 22, the flexible shafts 23 and the connecting frame 28 to stop moving, along with the continuous downward movement of the mounting cylinder 6, the brackets on the mounting cylinder 6 move downward along the adjacent supporting frames 22, the springs adjacent to the supporting frames 22 are compressed, the mounting cylinder 6 drives the locking rings 29 to move downward, the limit rods 281 slide along the adjacent limit grooves 291 and gradually lose contact with the adjacent limit grooves, after the arc-shaped and symmetrically distributed elastic columns 24 are sequentially contacted with the skin of the patient, at the moment, the locking rings 29 are in a free rotation state, the locking rings 29 rotate anticlockwise under the action of the adjacent supporting frames, the locking rings 29 drive the four limit springs 291 to move, and the adjacent limit blocks 30 are gradually contacted with the adjacent limit blocks 30, and the adjacent limit blocks 30 are gradually contacted with the limit blocks 30, and the adjacent limit blocks 30 are gradually moved and matched with the limit blocks 30.
After the belt 26 is limited, the mounting cylinder 6 pulls down the adjacent belt 26 through the movable limiting block 30 and the positioning limiting block 27, the belt 26 drives the adjacent first belt pulley 25 and the adjacent second belt pulley 251 to rotate, the first belt pulley 25 drives the adjacent flexible shaft 23 and the elastic column 24 to rotate, the elastic column 24 symmetrically distributed in an arc shape rotates simultaneously, the skin of a patient is stretched at a position to be punctured while the marking position is kept unchanged, the mounting cylinder 6 drives the locking ring 29 to move down, at the moment, the reset groove 292 is not on the same vertical line with the adjacent limiting rod 281 due to the fact that the locking ring 29 rotates, the circular ring at the upper part of the locking ring 29 is contacted with the two limiting rods 281, the adjacent limiting rods 281 are extruded towards the direction of the adjacent connecting frame 28 along the inclined plane of the limiting rods 281, gas in the adjacent limiting cavity 282 is compressed, then when the upper circular ring at the upper part of the locking ring 29 moves to the lower side of the limiting rod 281, the limiting rod 281 is reset under the pushing of the gas in the adjacent limiting cavity 282, the upper circular ring is contacted with the upper side of the locking ring 29 after reset, the limiting rod 281 is reset, the upper circular ring at the upper side of the limiting rod 29 is stopped, the upper circular ring of the limiting rod 29 is stopped, and the two limiting rods 281 are stopped by the medical workers are stopped, and the two medical workers are stopped, and the step of puncturing the patient is stopped.
After the puncture is completed, medical staff takes down the equipment from the shoulder of the patient, then the medical staff dials the unidirectional wedge block 21 leftwards, compresses the adjacent springs of the unidirectional wedge block 21, the unidirectional wedge block 21 gradually loses contact with the adjacent grooves on the mounting cylinder 6, at the moment, the medical staff upwards moves and resets the mounting cylinder 6 relative to the ball ring 5, the medical staff loosens the unidirectional wedge block 21 after resetting the mounting cylinder 6, the unidirectional wedge block 21 enters the adjacent grooves on the mounting cylinder 6 under the action of the adjacent springs and limits the mounting cylinder 6, the medical staff rotates the locking ring 29 clockwise, the two reset grooves 292 are aligned with the adjacent limit rods 281 respectively, under the action of the adjacent springs of the support frame 22, the support frame 22 drives the adjacent connecting frame 28 to downwards move along the adjacent brackets on the mounting cylinder 6, and the connecting frame 28 drives the adjacent limit rods 281 to downwards move and reset along the adjacent reset grooves 292 and the limit grooves 291 in sequence.
Example 3: on the basis of embodiment 2, please refer to fig. 12 and 13, further comprising a placement block 31, wherein the placement block 31 is fixedly connected to the lower side of the passive telescopic rod 8, a through hole is provided in the middle of the placement block 31, the through hole is used for allowing the puncture needle 10 to pass through, the sterile cotton 32 is placed in the middle of the placement block 31, the puncture needle 10 passes through the through hole in the middle of the placement block 31 and contacts and cooperates with the sterile cotton 32, and when the puncture needle 10 is pulled out outwards, the sterile cotton 32 always contacts with the side surface of the puncture needle 10, and body fluid adhered on the puncture needle 10 is absorbed.
Referring to fig. 12 and 13, an air extraction telescopic rod 33 is fixedly connected to the right part of the limiting member 7, the telescopic end of the air extraction telescopic rod 33 is fixedly connected to the mounting block 9, a through hole communicated with the position where the sterile cotton 32 is placed inside the air extraction telescopic rod is formed in the right part of the placement block 31, and the lower side of the fixing part of the air extraction telescopic rod 33 is communicated with the inside of the placement block 31 through the through hole of the placement block 31.
When medical staff pulls out pjncture needle 10 outwards, pjncture needle 10's surface adhesion has patient's body fluid, in order to prevent that the body fluid from dripping to patient's puncture position, brings inconvenience to follow-up binding disinfection, needs to erase the body fluid on the pjncture needle 10, and the specific operation is as follows: in the process that medical staff installs pjncture needle 10 in installation piece 9, pjncture needle 10 passes and places piece 31 and aseptic cotton 32 in it, when the puncture is accomplished, medical staff outwards pulls the flexible end of initiative telescopic link 12, the flexible end of initiative telescopic link 12 through connecting pipe 11 and the interior hydraulic oil transmission passive telescopic link 8 stretches out, in this process, the flexible end of passive telescopic link 8 drives the flexible end of extraction telescopic link 33 through installation piece 9, the gas in placing piece 31 is taken out through the through-hole of placing piece 33, simultaneously place piece 31 through its middle part's through-hole with external gas suction in its inside, so make place piece 31 internal gas from the middle right flow, make aseptic cotton 32 receive the pulling force to the right, the extrusion force of aseptic cotton 32 to pjncture needle 10 increases, the body fluid that adheres to on pjncture needle 10 is absorbed by aseptic cotton 32, when aseptic cotton 32 absorbs the multicrystal, the body fluid that the interior absorption of aseptic cotton 32 was adsorbed in the air current drive aseptic cotton 32 in the place piece 31, accelerate the diffusion of body fluid in the aseptic cotton 32, reduce aseptic cotton 32 and the position of aseptic cotton 10 and improve the absorption rate of body fluid on aseptic cotton 10.
After the medical staff removes the puncture needle 10, the medical staff takes out the sterile cotton 32 therein through the through hole in the middle of the placement block 31 and places the sterile cotton 32 therein.
Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (10)
1. The utility model provides a puncture device with multi-angle regulatory function for internal medicine, includes installation shell (1), installation shell (1) rigid coupling has regulation area (2), regulation area (2) are kept away from one side limit sliding connection of installation shell (1) has slide rail (3), the spacing sliding connection of slide rail (3) has shoulder frame (4) of symmetric distribution, shoulder frame (4) rigid coupling has backup pad (401), backup pad (401) are the flexible material of atress for laminating different patient's shoulder, characterized in that still includes ball ring (5), installation shell (1) sliding connection has ball ring (5), ball ring (5) are provided with installation section of thick bamboo (6), the rigid coupling has locating part (7) of symmetric distribution in installation section of thick bamboo (6), the common rigid coupling of locating part (7) has passive telescopic link (8), the telescopic link rigid coupling of passive telescopic link (8) has installation piece (9), installation piece (9) through sliding connection has puncture needle (10), locating part (7) and telescopic link (10), passive telescopic link (8) and connecting pipe (11), connecting pipe (11) and connecting pipe (11) Hydraulic oil is stored in the connecting pipe (11) and the active telescopic rod (12).
2. The puncture device with the multi-angle adjusting function for the internal medicine according to claim 1, wherein the contact position of the ball ring (5) and the installation shell (1) is a spherical surface and is used for adjusting an included angle between the central axis of the ball ring (5) and the installation shell (1), one side of the installation shell (1) away from the adjusting belt (2) is in threaded connection with a locking knob (13), and the locking knob (13) is in extrusion fit with the ball ring (5).
3. The puncture device with the multi-angle adjusting function for the internal medicine department according to claim 1, wherein a limiting wedge block (14) is connected in the mounting block (9) in a limiting sliding manner, the limiting wedge block (14) is in limiting fit with the puncture needle (10), a sliding column (15) is fixedly connected to one side, away from the puncture needle (10), of the limiting wedge block (14), the sliding column (15) is in sealing sliding connection with the mounting block (9), a reset cavity (151) is formed by the cooperation of the sliding column (15) and the mounting block, and gas is stored in the reset cavity (151).
4. The puncture device with the multi-angle adjusting function for the internal medicine according to claim 1, wherein a limit column (16) is slidably connected to one side of the shoulder frame (4) close to the sliding rail (3), a spring is fixedly connected between the shoulder frame (4) and the adjacent limit column (16), and the sliding rail (3) is provided with grooves which are equidistant and are in limit fit with the symmetrically distributed limit columns (16).
5. The puncture device with the multi-angle adjusting function for the internal medicine according to claim 2, wherein the installation shell (1) is fixedly connected with a positioning cylinder (17) which is distributed in an annular mode, the positioning cylinder (17) is fixedly connected with an elastic ring (18), a piston rod (19) is connected in the positioning cylinder (17) in a sealing sliding mode, one side, away from the adjacent elastic ring (18), of the piston rod (19) which is distributed in an annular mode is fixedly connected with a connecting arc (20) jointly, the connecting arc (20) is connected with the installation shell (1) in a sliding mode, and a spring is fixedly connected between the positioning cylinder (17) and the connecting arc (20).
6. The puncture device with the multi-angle adjusting function for the internal medicine according to claim 2, further comprising a unidirectional wedge block (21), wherein the unidirectional wedge block (21) is in limiting sliding connection with the ball ring (5), a spring is fixedly connected between the unidirectional wedge block (21) and the unidirectional wedge block, the mounting cylinder (6) is provided with grooves which are equidistant and are in limiting fit with the unidirectional wedge block (21), the ball ring (5) is in limiting sliding connection with the mounting cylinder (6), one side of the mounting cylinder (6) far away from the mounting block (9) is provided with a symmetrically distributed supporting frame (22) through a support in limiting sliding connection, a spring is fixedly connected between the supporting frame (22) and an adjacent support on the mounting cylinder (6), one side of the supporting frame (22) far away from the mounting cylinder (6) is in limiting rotation connection with a spring, an arc equidistant elastic column (24) is fixedly connected with the flexible shaft (23), the flexible shaft (23) is fixedly connected with a symmetrically distributed first belt pulley (25), the supporting frame (22) is rotationally connected with a symmetrically distributed second belt pulley (251) through a support, and the first belt pulley (25) and the second belt pulley (251) are commonly provided with the second belt pulley (26).
7. The puncture device with multi-angle adjusting function for internal medicine according to claim 6, wherein one side of the installation cylinder (6) close to the symmetrically distributed support frame (22) is fixedly connected with a positioning block (27) which is centrally and symmetrically distributed, the support frame (22) is fixedly connected with a connecting frame (28), the connecting frame (28) is in sealing sliding connection with a limiting rod (281), the connecting frame (28) is matched with the adjacent limiting rod (281) to form a limiting cavity (282), gas is stored in the limiting cavity (282), one side of the installation cylinder (6) close to the symmetrically distributed support frame (22) is rotationally connected with a locking ring (29), the limiting rod (281) is in limiting fit with the locking ring (29), a torsion spring is fixedly connected between the locking ring (29) and the installation cylinder (6), the locking ring (29) is provided with a symmetrically distributed limiting groove (291), the limiting groove (291) is in limiting fit with the adjacent limiting rod (281), the locking ring (29) is fixedly connected with a limiting block (27), and the adjacent limiting block (292) is in a limiting way, the locking ring (29) is in a limiting way, and the locking ring (29) is in a limiting mode, and the locking ring (29) is in a sliding mode, the reset groove (292) is in sliding fit with the adjacent limit rod (281).
8. The puncture device with the multi-angle adjusting function for the medical department according to claim 7, wherein an included angle formed by the limiting groove (291), the adjacent reset groove (292) and the central axis of the locking ring (29) in the horizontal direction is smaller than an included angle formed by the limiting block (27), the adjacent movable limiting block (30) and the central axis of the locking ring (29) in the horizontal direction, so that the locking ring (29) can limit the adjacent limiting rod (281).
9. A puncture device with multi-angle adjusting function for internal medicine according to claim 3, further comprising a placement block (31), wherein the placement block (31) is fixedly connected to one side of the passive telescopic rod (8) far away from the installation block (9), sterile cotton (32) is placed in the placement block (31), and the puncture needle (10) penetrates through the placement block (31) and is in contact fit with the sterile cotton (32).
10. The puncture device with the multi-angle adjusting function for the internal medicine according to claim 9, wherein the limiting piece (7) is fixedly connected with an air extraction telescopic rod (33), the telescopic end of the air extraction telescopic rod (33) is fixedly connected with the installation block (9), the placement block (31) is provided with a through hole communicated with the inside of the placement block, and one side, far away from the installation block (9), of the air extraction telescopic rod (33) is communicated with the inside of the placement block (31) through the through hole of the placement block.
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