CN213099138U

CN213099138U - Orthopedic vertebral body reduction device

Info

Publication number: CN213099138U
Application number: CN202021580935.9U
Authority: CN
Inventors: 林丛
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-08-03
Filing date: 2020-08-03
Publication date: 2021-05-04
Anticipated expiration: 2030-08-03

Abstract

The utility model discloses an orthopedics centrum resetting means, concretely relates to orthopedics centrum resetting means technical field, including release link and first casing, the inside top of release link all is provided with infrared distance meter, the inside of release link all is provided with miniature camera, the bottom of release link is provided with first casing, the inside of first casing is provided with adjusts the structure, the bottom of first casing is provided with telescopic machanism. The utility model discloses a be provided with the rack, the shifting chute, the second casing, a fixed base, first gear, loose axle and handle, during the use, outside pull handle, the handle drives the rack and takes out from the inside of second casing to drive telescopic push rod horizontal migration, begin to rotate with rack toothing's first gear and second gear, it is more smooth and easy to make the rack remove, the movable block of fixing base top and bottom inlays and improves the mobility stability in the inside of shifting chute, just so can reset to the centrum through the pull handle.

Description

Orthopedic vertebral body reduction device

Technical Field

The utility model relates to an orthopedics centrum resetting means technical field specifically is an orthopedics centrum resetting means.

Background

Lumbar spondylolisthesis, deformation, dislocation etc. are common orthopedic diseases, adopt minimal access surgery to correct the reduction to patient's lumbar vertebrae more, along with medical instrument's research and development and progress, the lumbar vertebrae resetting means that orthopedic surgery used also develops to functional, automatic direction gradually, and current orthopedics centrum resetting means still has a lot of not enoses.

In the process of implementing the present invention, the inventor finds that at least the following problems exist in the prior art and are not solved:

(1) the traditional orthopedic vertebral body reduction device has insufficient stability during movement and correction;

(2) the length of the traditional orthopedic vertebral body reduction device needs to be manually adjusted, and the stretching precision is insufficient;

(3) the traditional orthopedic vertebral body reset device is not convenient for adjusting the clamping interval of the reset rod.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an orthopedics centrum resetting means to the stability is not enough when proposing to remove the correction in solving above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: an orthopedic vertebral body resetting device comprises a resetting rod and a first shell, wherein an infrared distance meter is arranged at the top end of the interior of the resetting rod, a miniature camera is arranged in the interior of the resetting rod, the bottom end of the resetting rod is provided with the first shell, an adjusting structure is arranged in the first shell, a telescopic mechanism is arranged at the bottom end of the first shell, a second shell is arranged at the bottom end of the first shell, and a drawing structure is arranged in the second shell;

the drawing structure comprises a moving groove, the moving groove is formed in the top end and the bottom end of the second shell, a rack is arranged inside the second shell, a handle is arranged on one side of the rack, fixing seats are arranged on two sides of the rack, a first gear and a second gear are meshed with two ends of the rack, movable shafts are arranged at the bottom ends of the first gear and the second gear and fixedly connected to the bottom end inside the second shell, moving blocks are arranged at the top end and the bottom end of each fixing seat, and the moving blocks are embedded inside the moving groove.

Preferably, one side of the second shell is provided with a preformed groove, and the rack transversely penetrates through the interior of the preformed groove and is fixedly connected with the handle.

Preferably, the first gear and the second gear are the same in size, and are symmetrically distributed about a horizontal center line of the rack.

Preferably, adjust the structure and constitute by crank, threaded rod, thread piece and adjustment tank, the both sides fixed connection of threaded rod is in the inside of first casing, one side of threaded rod is provided with the crank, the thread piece has been cup jointed in the outside of threaded rod, the adjustment tank all sets up the top at first casing, the top of thread piece all with the bottom fixed connection of release link, the release link runs through the inside of adjustment tank.

Preferably, the bottom end of the first shell is provided with a movable groove, and the bottom ends of the thread blocks are embedded in the movable groove to move horizontally.

Preferably, telescopic machanism comprises fixed block, thread bush, flexible push rod and dead lever, dead lever fixed connection is on the top of rack, the top of dead lever is provided with flexible push rod, the top of flexible push rod is provided with the fixed block, the outside of fixed block is provided with the thread bush, the top of thread bush and the bottom fixed connection of first casing.

Compared with the prior art, the beneficial effects of the utility model are that: the orthopedic vertebral body resetting device not only realizes the enhancement of stability and the accurate adjustment of length, but also realizes the convenience in adjusting the clamping distance;

(1) when the telescopic handle is used, the handle is pulled outwards, the handle drives the rack to be drawn out from the inside of the second shell, so that the telescopic push rod is driven to horizontally move, the first gear and the second gear which are meshed with the rack start to rotate, the rack is enabled to move more smoothly, the moving blocks at the top end and the bottom end of the fixing seat are embedded in the moving groove, the moving stability is improved, and the centrum can be reset through the pulling handle;

(2) the telescopic push rod is started by arranging the fixed block, the threaded sleeve, the telescopic push rod and the fixed rod, the telescopic push rod extends towards the centrum direction by electric thrust to drive the reset rod to vertically move, the miniature camera can be connected with the display screen to display the moving distance of the reset rod, and when the sterilization and disinfection work is needed after the operation is finished, the fixed block and the threaded sleeve are screwed to release the fixation, so that the reset rod can be detached from the top end of the telescopic push rod, and the operation is very convenient;

(3) through being provided with crank, threaded rod, thread piece and adjustment tank, after the release link aimed at the centrum, wave the crank, it is rotatory to drive the threaded rod, and the thread piece can drive the release link and in the inside relative movement centre gripping centrum of adjustment tank, and the movable groove that the thread piece bottom set up can improve the stability that the thread piece removed, and infrared distance meter can accurate location removal interval, prevents that the centre gripping is unstable or the centre gripping excessively produces the damage to the centrum.

Drawings

Fig. 1 is a schematic front view of a cross-sectional structure of the present invention;

fig. 2 is a schematic side view of the restoring rod of the present invention;

fig. 3 is a schematic front sectional view of the adjusting structure of the present invention;

fig. 4 is a schematic view of the rack overlooking structure of the present invention.

In the figure: 1. a reset lever; 2. a first housing; 3. an adjustment structure; 301. a crank; 302. a threaded rod; 303. a thread block; 304. an adjustment groove; 4. a telescoping mechanism; 401. a fixed block; 402. a threaded sleeve; 403. a telescopic push rod; 404. fixing the rod; 5. a rack; 6. a moving groove; 7. a second housing; 8. a fixed seat; 9. a first gear; 10. a movable shaft; 11. a grip; 12. an infrared range finder; 13. a miniature camera; 14. a second gear.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Example 1: referring to fig. 1-4, an orthopedic vertebral body reduction device comprises a reset rod 1 and a first shell 2, wherein an infrared distance meter 12 is arranged at the top end inside the reset rod 1, the infrared distance meter 12 can be ZJ8X12G001-515, a micro camera 13 is arranged inside the reset rod 1, the micro camera 13 can be 4.5-JC, the first shell 2 is arranged at the bottom end of the reset rod 1, an adjusting structure 3 is arranged inside the first shell 2, a telescopic mechanism 4 is arranged at the bottom end of the first shell 2, a second shell 7 is arranged at the bottom end of the first shell 2, and a drawing structure is arranged inside the second shell 7;

the orthopedic vertebral body resetting device of the utility model also comprises a drawing structure, the drawing structure comprises a moving groove 6, the moving groove 6 is arranged at the top end and the bottom end of the second shell 7, the inside of the second shell 7 is provided with a rack 5, one side of the rack 5 is provided with a handle 11, both sides of the rack 5 are provided with a fixed seat 8, both ends of the rack 5 are engaged with a first gear 9 and a second gear 14, the bottom ends of the first gear 9 and the second gear 14 are both provided with a movable shaft 10, the movable shaft 10 is fixedly connected with the bottom end inside the second shell 7, both the top end and the bottom end of the fixed seat 8 are provided with movable blocks, and the movable blocks are embedded in the moving groove 6;

a preformed groove is formed in one side of the second shell 7, and the rack 5 transversely penetrates through the interior of the preformed groove and is fixedly connected with the handle 11;

the first gear 9 and the second gear 14 are the same in size, and the first gear 9 and the second gear 14 are symmetrically distributed around the horizontal center line of the rack 5;

specifically, as shown in fig. 1, 2 and 4, the handle 11 is pulled outwards, the handle 11 drives the rack 5 to be pulled out from the inside of the second housing 7, so as to drive the telescopic rod 403 to move horizontally, the first gear 9 and the second gear 14 engaged with the rack 5 start to rotate, so that the rack 5 moves more smoothly, and the moving blocks at the top end and the bottom end of the fixing seat 8 are embedded in the moving groove 6 to improve the moving stability, so that the vertebral body can be reset by pulling the handle 11.

The adjusting structure 3 consists of a crank 301, a threaded rod 302, a threaded block 303 and an adjusting groove 304, two sides of the threaded rod 302 are fixedly connected inside the first shell 2, the crank 301 is arranged on one side of the threaded rod 302, the threaded block 303 is sleeved on the outer side of the threaded rod 302, the adjusting groove 304 is arranged at the top end of the first shell 2, the top ends of the threaded blocks 303 are fixedly connected with the bottom end of the reset rod 1, and the reset rod 1 penetrates through the adjusting groove 304;

the bottom end of the first shell 2 is provided with a movable groove, and the bottom ends of the thread blocks 303 are all embedded in the movable groove to move horizontally;

specifically, as shown in fig. 1, 2 and 3, after the release link 1 aims at the centrum, wave crank 301, drive threaded rod 302 and rotate, screw block 303 can drive release link 1 and in the inside relative movement centre gripping centrum of adjusting groove 304, the stability that screw block 303 removed can be improved to the activity groove that screw block 303 bottom set up, infrared range finder 12 can accurate location removal interval, prevents that the centre gripping is unstable or the centre gripping excessively produces the damage to the centrum.

The telescopic mechanism 4 consists of a fixed block 401, a threaded sleeve 402, a telescopic push rod 403 and a fixed rod 404, the fixed rod 404 is fixedly connected to the top end of the rack 5, the telescopic push rod 403 is arranged at the top end of the fixed rod 404, the type of the telescopic push rod 403 can be TGA-100, the fixed block 401 is arranged at the top end of the telescopic push rod 403, the threaded sleeve 402 is arranged outside the fixed block 401, and the top end of the threaded sleeve 402 is fixedly connected with the bottom end of the first shell 2;

specifically, as shown in fig. 1, the telescopic push rod 403 is started, the telescopic push rod 403 extends towards the vertebral body through the electric thrust to drive the reset rod 1 to move vertically, the micro camera 13 can be connected with the display screen to display the moving distance of the reset rod 1, when the operation is finished and sterilization work needs to be performed, the reset rod 1 can be detached from the top end of the telescopic push rod 403 only by screwing the fixing block 401 and the thread sleeve 402 to remove the fixation, and the operation is very convenient.

The working principle is as follows: the utility model discloses when using, at first, start flexible push rod 403, flexible push rod 403 stretches out to the centrum direction through electric thrust, drives release link 1 vertical migration, and display screen display reset link 1's displacement is shown to miniature camera 13 joinable, and the operation finishes and need disinfect the disinfection during operation, only needs to twist fixed block 401 and thread bush 402 soon to twist and removes fixedly, can pull down release link 1 from the top of flexible push rod 403, and is very convenient.

Afterwards, after release link 1 aimed at the centrum, wave crank 301, drive threaded rod 302 rotatory, screw block 303 can drive release link 1 in the inside relative movement centre gripping centrum of adjustment tank 304, and the stability that screw block 303 removed can be improved to the activity groove that screw block 303 bottom set up, and infrared distance meter 12 can accurate location removal interval, prevents that the centre gripping is unstable or the centre gripping excessively produces the damage to the centrum.

Finally, the handle 11 is pulled outwards, the handle 11 drives the rack 5 to be pulled out from the inside of the second shell 7, so as to drive the telescopic push rod 403 to move horizontally, the first gear 9 and the second gear 14 meshed with the rack 5 start to rotate, so that the rack 5 moves more smoothly, the moving blocks at the top end and the bottom end of the fixed seat 8 are embedded in the moving groove 6 to improve the moving stability, and thus the vertebral body can be reset through the pull handle 11.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. 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 an orthopedics centrum resetting means, includes release link (1) and first casing (2), its characterized in that: the infrared distance measuring device is characterized in that an infrared distance measuring instrument (12) is arranged at the top end of the interior of the reset rod (1), a miniature camera (13) is arranged in the interior of the reset rod (1), a first shell (2) is arranged at the bottom end of the reset rod (1), an adjusting structure (3) is arranged in the interior of the first shell (2), a telescopic mechanism (4) is arranged at the bottom end of the first shell (2), a second shell (7) is arranged at the bottom end of the first shell (2), and a drawing structure is arranged in the interior of the second shell (7);

the drawing structure comprises a moving groove (6), the moving groove (6) is arranged at the top end and the bottom end of a second shell (7), a rack (5) is arranged inside the second shell (7), a handle (11) is arranged on one side of the rack (5), fixing seats (8) are arranged on two sides of the rack (5), a first gear (9) and a second gear (14) are meshed at two ends of the rack (5), movable shafts (10) are arranged at the bottom ends of the first gear (9) and the second gear (14), the movable shafts (10) are fixedly connected to the bottom end inside the second shell (7), moving blocks are arranged at the top end and the bottom end of the fixing seats (8), and the moving blocks are embedded inside the moving groove (6).

2. An orthopedic vertebral body reduction device according to claim 1, wherein: a preformed groove is formed in one side of the second shell (7), and the rack (5) transversely penetrates through the interior of the preformed groove and is fixedly connected with the handle (11).

3. An orthopedic vertebral body reduction device according to claim 1, wherein: the first gear (9) and the second gear (14) are the same in size, and the first gear (9) and the second gear (14) are symmetrically distributed around the horizontal center line of the rack (5).

4. An orthopedic vertebral body reduction device according to claim 1, wherein: adjust structure (3) and constitute by crank (301), threaded rod (302), screw block (303) and adjustment tank (304), the both sides fixed connection of threaded rod (302) is in the inside of first casing (2), one side of threaded rod (302) is provided with crank (301), screw block (303) have been cup jointed in the outside of threaded rod (302), adjustment tank (304) all set up the top in first casing (2), the top of screw block (303) all with the bottom fixed connection of release link (1), release link (1) runs through the inside of adjustment tank (304).

5. An orthopedic vertebral body reduction device according to claim 4, wherein: the bottom of first casing (2) is provided with the activity groove, the bottom of screw thread piece (303) all inlays horizontal migration in the activity groove.

6. An orthopedic vertebral body reduction device according to claim 1, wherein: telescopic machanism (4) comprise fixed block (401), thread bush (402), flexible push rod (403) and dead lever (404), dead lever (404) fixed connection is on the top of rack (5), the top of dead lever (404) is provided with flexible push rod (403), the top of flexible push rod (403) is provided with fixed block (401), the outside of fixed block (401) is provided with thread bush (402), the top of thread bush (402) and the bottom fixed connection of first casing (2).