CN216021201U

CN216021201U - Channel tool for spinal surgery

Info

Publication number: CN216021201U
Application number: CN202122233698.XU
Authority: CN
Inventors: 黎艺国; 黄坤骥
Original assignee: Guilin Hesheng Medical Instrument Co ltd
Current assignee: Guilin Hesheng Medical Instrument Co ltd
Priority date: 2021-09-15
Filing date: 2021-09-15
Publication date: 2022-03-15
Anticipated expiration: 2031-09-15

Abstract

The utility model discloses a channel tool for spinal surgery, which comprises a shell, wherein a box body is adjacently arranged on the right side of the shell; the box inner wall is equipped with adjustment mechanism, adjustment mechanism includes arc groove, ball, gyro wheel, riser and threaded rod, the outside in arc groove and the inner wall rigid coupling of box mutually, the inner wall in arc groove and the outer wall slip joint of ball, the outer wall of ball slides with the outer wall of gyro wheel and laminates mutually, the positive terminal surface of gyro wheel rotates with the rear end face of riser through the round pin axle and links to each other, the positive terminal surface of riser rotates with the inner wall of box through the pivot and links to each other. This passageway instrument that vertebra operation was used is through rotating the right side threaded rod among the adjustment mechanism, and the right side threaded rod is partly by the back-out, and with the left side threaded rod precession simultaneously, the left side screw-thread steel of precession promotes the ball and moves right, and the ball that moves right promotes the gyro wheel and moves, and the gyro wheel that moves drives the expansion mechanism rotation on the riser, has maintained the angle of passageway instrument for work efficiency.

Description

Channel tool for spinal surgery

Technical Field

The utility model relates to the technical field, in particular to a channel tool for spinal surgery.

Background

Channel tool for spinal surgery: the main function of the spinal surgery channel device is to open the surgical access incision so as to facilitate the entry of endophytes and the operation of surgical instruments.

The existing channel tool for the spinal surgery has no way to adjust and maintain the angle of the operated part, needs to be adjusted in time, reduces the working efficiency, cannot adjust the depth of the channel tool entering the body aiming at the positions of different focuses, cannot adjust the position of the channel tool entering the body, is not easy to find the lower knife position, increases the difficulty of the surgery, and simultaneously, the operated part of a patient needs to be expanded, can only cut the knife edge to be large, and is not beneficial to the postoperative recovery of the patient.

SUMMERY OF THE UTILITY MODEL

The present invention is directed to a tool for access in spinal surgery to solve the above-mentioned problems of the prior art.

In order to achieve the purpose, the utility model provides the following technical scheme: a channel tool for spinal surgery comprises a shell, wherein a box body is arranged adjacent to the right side of the shell; the inner wall of the box body is provided with an adjusting mechanism;

the adjusting mechanism comprises an arc groove, a ball, a roller, a vertical plate and a threaded rod;

the outside of arc groove and the inner wall rigid coupling of box, the inner wall of arc groove and the outer wall slip joint of ball, the outer wall of ball slides with the outer wall of gyro wheel and laminates mutually, the positive terminal surface of gyro wheel rotates through the rear end face of round pin axle with the riser and links to each other, the positive terminal surface of riser rotates through the inner wall of pivot with the box and links to each other, the inner wall of arc groove meets with the outer wall screw thread of threaded rod, the outer wall of ball laminates with the top of threaded rod mutually. The ball pushes the roller to move.

Preferably, a lifting mechanism is arranged inside the shell;

the lifting mechanism comprises a wide plate, a driving grooved wheel, a handle, a belt, a driven grooved wheel, a sliding block, a slide way, a spring and a square block;

the outside of wide plate and the inner wall looks rigid coupling of shell, the positive terminal surface of wide plate rotates through the rear end face of round pin axle with the initiative sheave and links to each other, is located the top the positive terminal surface of initiative sheave and the rear end face looks rigid coupling of handle, the outer wall of initiative sheave rotates with the inner wall of belt and links to each other, the outer wall of belt rotates with the outer wall of driven sheave and links to each other, the rear end face of driven sheave rotates with the positive terminal surface of slider and links to each other, the right side of slider slides the joint with the inner wall of slide, the inner wall processing of shell has the slide, the outside of belt and the inboard looks rigid coupling of spring, the outside of spring and the inboard looks rigid coupling of square, the outside of square welds with the inner wall of shell mutually. The handle drives the driving grooved wheel to rotate.

Preferably, the right side of the sliding block is fixedly connected with the left side of the box body.

Preferably, the rear end face of the vertical plate is fixedly connected with an outer box, and the inner wall of the outer box is provided with an expansion mechanism;

the expansion mechanism comprises a worm, a knob, a worm wheel, a gear, a rack, a sliding chute, a round rod, a square plate and an arc plate;

the outer wall of worm rotates with the inner wall of outer container and links to each other, the right side of worm and the left side looks rigid coupling of knob, the top of worm meshes with the outer wall of worm wheel mutually, the positive terminal surface of worm wheel rotates with the inner wall of outer container and links to each other, the rear end face of worm wheel and the positive terminal surface looks rigid coupling of gear, the top of gear meshes with the bottom of rack mutually, the positive terminal surface processing of rack has the spout, the inner wall of spout and the outer wall slip joint of round bar, the rear end face of round bar and the positive terminal surface looks rigid coupling of square plate, the outside of square plate and the inner wall of outer container meet rigid coupling, the inboard of rack meets rigid coupling with the outside of arc board mutually. The worm drives the worm wheel to rotate.

Preferably, a circular ring is welded to the inner side of the outer shell.

Compared with the prior art, the utility model has the beneficial effects that: the channel tool for the spinal surgery rotates the right threaded rod in the adjusting mechanism, the right threaded rod is partially screwed out, the left threaded rod is screwed in, the screwed left threaded steel pushes the ball to move rightwards, the ball moving rightwards pushes the roller to move, the moving roller drives the expansion mechanism on the vertical plate to rotate, the angle of the channel tool is maintained, and the working efficiency is accelerated;

the rotating handle drives the driving grooved pulley to rotate, the rotating driving grooved pulley drives the belt to rotate, the rotating belt drives the driven grooved pulley to rotate, the rotating driven grooved pulley pulls the sliding block to move upwards, and the upwards moving sliding block drives the expansion mechanism to move upwards, so that the lower knife position can be conveniently found, and the operation difficulty is reduced;

through rotating the knob in the expanding mechanism, the knob drives the worm and rotates, and pivoted worm drives the worm wheel and rotates, and pivoted worm wheel drives the rack at gear top and outwards removes, and the rack that outwards removes drives the arc board and outwards removes, and the arc board expands patient's skin, need not cut greatly, and the postoperative of being convenient for resumes.

Drawings

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

FIG. 2 is a schematic view showing a connection structure of the arc groove, the ball and the roller in FIG. 1;

FIG. 3 is a schematic view of the connection relationship between the driving sheave, the handle and the belt in FIG. 1;

fig. 4 is a schematic view of a connection structure of the worm, the knob and the worm wheel in fig. 1.

In the figure: 1. the device comprises a shell, 2, a box body, 3, an adjusting mechanism, 301, an arc groove, 302, a ball, 303, a roller, 304, a vertical plate, 305, a threaded rod, 4, a lifting mechanism, 401, a wide plate, 402, a driving sheave, 403, a handle, 404, a belt, 405, a driven sheave, 406, a sliding block, 407, a slide way, 408, a spring, 409, a square block, 5, an outer box, 6, an expansion mechanism, 601, a worm, 602, a knob, 603, a worm wheel, 604, a gear, 605, a rack, 606, a sliding groove, 607, a round rod, 608, a square plate, 609, an arc plate, 7 and a circular ring.

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. 1-4, the present invention provides a technical solution: the utility model provides a channel tool that vertebra operation was used, which comprises an outer shell 1, the adjacent box 2 that has in right side of

shell

1, 2 inner walls of box are equipped with adjustment mechanism 3, adjustment mechanism 3 includes arc groove 301, ball 302, gyro wheel 303, riser 304 and threaded rod 305, arc groove 301's the outside meets with the inner wall of box 2 rigid phase, arc groove 301's inner wall and ball 302's outer wall slip joint, ball 302's outer wall and the outer wall slip of gyro wheel 303 laminate mutually, it rotates to promote gyro wheel 303 when ball 302 rotates, the positive terminal surface of gyro wheel 303 rotates through the rear end face of round pin axle with riser 304 and links to each other, gyro wheel 303 drives riser 304 and slides, the positive terminal surface of riser 304 rotates through the inner wall of pivot with box 2 and links to each other, arc groove 301's inner wall and the outer wall screw thread of threaded rod 305 meet, the outer wall of ball 302 laminates with the top of threaded rod 305 mutually, threaded rod 305 promotes ball 302 and moves.

The inside of the shell 1 is provided with a lifting mechanism 4, the lifting mechanism 4 comprises a wide plate 401, a driving sheave 402, a handle 403, a belt 404, a driven sheave 405, a slide block 406, a slide way 407, a spring 408 and a square 409, the outer side of the wide plate 401 is fixedly connected with the inner wall of the shell 1, the positive end surface of the wide plate 401 is rotatably connected with the rear end surface of the driving sheave 402 through a pin shaft, the positive end surface of the driving sheave 402 positioned at the top is fixedly connected with the rear end surface of the handle 403, the handle 403 drives the driving sheave 402 to rotate, the outer wall of the driving sheave 402 is rotatably connected with the inner wall of the belt 404, the driving sheave 402 drives the belt 404 to rotate, the outer wall of the belt 404 is rotatably connected with the outer wall of the driven sheave 405, the belt 404 drives the driven sheave 405 to rotate, the rear end surface of the driven sheave 405 is rotatably connected with the positive end surface of the slide block 406, the driven sheave 405 drives the slide block 406 to move upwards, the right side of the slide way 406 is slidably connected with the inner wall of the slide way 407, the inner wall of the shell 1 is provided with a slide 407, the outer side of the belt 404 is rigidly connected with the inner side of the spring 408, the spring 408 prevents the belt 404 from loosening reversely, the outer side of the spring 408 is fixedly connected with the inner side of the block 409, and the outer side of the block 409 is welded with the inner wall of the shell 1.

The right side of the slide block 406 is fixedly connected with the left side of the box body 2, and the slide block 406 drives the box body to move upwards.

The rear end face of the vertical plate 304 is fixedly connected with an outer box 5, the inner wall of the outer box 5 is provided with an expansion mechanism 6, the expansion mechanism 6 comprises a worm 601, a knob 602, a worm wheel 603, a gear 604, a rack 605, a sliding groove 606, a round rod 607, a square plate 608 and an arc plate 609, the outer wall of the worm 601 is rotatably connected with the inner wall of the outer box 5, the right side of the worm 601 is fixedly connected with the left side of the knob 602, the knob 602 provides power for the worm 601, the top of the worm 601 is meshed with the outer wall of the worm wheel 603, the worm 601 drives the worm wheel 603 to rotate, the front end face of the worm wheel 603 is rotatably connected with the inner wall of the outer box 5, the rear end face of the worm wheel 603 is fixedly connected with the positive end face of the gear 604, the worm wheel 603 drives the gear 604 to rotate, the top of the gear 604 is meshed with the bottom of the rack 605, the rack 604 is driven to move outwards when the gear 604 rotates, the rack 605 is processed with the positive end face provided with the sliding groove 606, the inner wall of the sliding groove 606 is slidably clamped with the outer wall of the round rod 607, the circular rod 607 limits the moving range of the rack 605, the rear end surface of the circular rod 607 is rigidly connected with the positive end surface of the square plate 608, the outer side of the square plate 608 is rigidly connected with the inner wall of the outer box 5, the inner side of the rack 605 is rigidly connected with the outer side of the arc plate 609, and the rack 605 drives the arc plate 609 to move.

The inner side of the shell 1 is welded with a circular ring 7, and the circular ring 7 is connected with the two shells 1.

In this example: the threaded rod 305 is rotated, the threaded rod 305 moves upwards, the threaded rod 305 which moves upwards pushes the ball 302 to move upwards, the ball 302 which moves upwards pushes the roller 303 to move rightwards, the roller 303 which moves rightwards drives the vertical plate 304 to tilt rightwards, the vertical plate 304 drives the expansion mechanism 6 to tilt rightwards and is fixed, the handle 403 is rotated, the handle 403 drives the driving grooved wheel 402 to rotate, the rotating driving grooved wheel 402 drives the belt 404 to rotate, the rotating belt 404 drives the driven grooved wheel 405 to rotate, the rotating driven grooved wheel 405 drives the sliding block 406 to slide upwards in the sliding way 407, the sliding block 406 which slides upwards drives the adjusting mechanism 3 to move upwards, the knob 602 is rotated, the knob 602 drives the worm 601 to rotate, the rotating worm 601 drives the worm wheel 603 to rotate, the rotating worm wheel 603 drives the gear 604 to rotate, the rotating gear 604 drives the rack 605 to slide outwards, and the round rod 607 limits the rack 605, the sliding rack 605 drives the arc plate 609 to move outwards, the arc plate 609 moving outwards props up the skin of the patient, and the patient does not need to be cut to be large after being propped up, so that the postoperative recovery is facilitated.

In the description of the present invention, it is to be understood that the terms "coaxial", "bottom", "one end", "top", "middle", "other end", "upper", "one side", "top", "inner", "front", "center", "both ends", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention.

In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "disposed," "connected," "secured," "screwed" and the like are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; the terms may be directly connected or indirectly connected through an intermediate, and may be communication between two elements or interaction relationship between two elements, unless otherwise specifically limited, and the specific meaning of the terms in the present invention will be understood by those skilled in the art according to specific situations.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. An access tool for spinal surgery, comprising a housing (1), characterized in that: a box body (2) is arranged adjacent to the right side of the shell (1); the inner wall of the box body (2) is provided with an adjusting mechanism (3);

the adjusting mechanism (3) comprises an arc groove (301), a ball (302), a roller (303), a vertical plate (304) and a threaded rod (305);

the outside of arc groove (301) and the inner wall rigid coupling of box (2), the inner wall of arc groove (301) and the outer wall slip joint of ball (302), the outer wall of ball (302) slides with the outer wall of gyro wheel (303) and laminates mutually, the rear end face of the positive terminal surface through round pin axle and riser (304) rotates continuously, the inner wall rotation of the positive terminal surface through pivot and box (2) of riser (304) links to each other, the inner wall of arc groove (301) and the outer wall screw thread of threaded rod (305) meet, the outer wall of ball (302) and the top of threaded rod (305) laminate mutually.

2. The tool of claim 1, wherein: a lifting mechanism (4) is arranged in the shell (1);

the lifting mechanism (4) comprises a wide plate (401), a driving sheave (402), a handle (403), a belt (404), a driven sheave (405), a sliding block (406), a slide way (407), a spring (408) and a square block (409);

the outer side of the wide plate (401) is fixedly connected with the inner wall of the shell (1), the positive end surface of the wide plate (401) is rotatably connected with the rear end surface of the driving grooved wheel (402) through a pin shaft, the positive end surface of the driving grooved wheel (402) positioned at the top is fixedly connected with the rear end surface of the handle (403), the outer wall of the driving sheave (402) is rotationally connected with the inner wall of the belt (404), the outer wall of the belt (404) is rotationally connected with the outer wall of the driven sheave (405), the rear end surface of the driven grooved wheel (405) is rotationally connected with the positive end surface of the sliding block (406), the right side of the sliding block (406) is in sliding clamping connection with the inner wall of a slide way (407), the inner wall of the shell (1) is provided with the slide way (407), the outer side of the belt (404) is rigidly connected with the inner side of the spring (408), the outer side of the spring (408) is fixedly connected with the inner side of the block (409), and the outer side of the block (409) is welded with the inner wall of the shell (1).

3. The tool of claim 2, wherein: the right side of the sliding block (406) is fixedly connected with the left side of the box body (2).

4. The tool of claim 1, wherein: an outer box (5) is fixedly connected to the rear end face of the vertical plate (304), and an expansion mechanism (6) is arranged on the inner wall of the outer box (5);

the expansion mechanism (6) comprises a worm (601), a knob (602), a worm wheel (603), a gear (604), a rack (605), a sliding groove (606), a round rod (607), a square plate (608) and an arc plate (609);

the outer wall of the worm (601) is rotationally connected with the inner wall of the outer box (5), the right side of the worm (601) is fixedly connected with the left side of the knob (602), the top of the worm (601) is meshed with the outer wall of the worm wheel (603), the front end surface of the worm wheel (603) is rotationally connected with the inner wall of the outer box (5), the rear end face of the worm wheel (603) is fixedly connected with the positive end face of the gear (604), the top of the gear (604) is meshed with the bottom of the rack (605), the positive end surface of the rack (605) is provided with a sliding groove (606), the inner wall of the sliding groove (606) is clamped with the outer wall of the round rod (607) in a sliding way, the rear end surface of the round rod (607) is rigidly connected with the positive end surface of the square plate (608), the outer side of the square plate (608) is rigidly connected with the inner wall of the outer box (5), and the inner side of the rack (605) is rigidly connected with the outer side of the arc plate (609).

5. The tool of claim 1, wherein: the inner side of the shell (1) is welded with a circular ring (7).