CN219331751U

CN219331751U - Retractor assembly for orthopedic surgery

Info

Publication number: CN219331751U
Application number: CN202320294996.6U
Authority: CN
Inventors: �田�浩; 陈笃顺; 李念; 陈羲
Original assignee: Xuanhan Second People's Hospital
Current assignee: Xuanhan Second People's Hospital
Priority date: 2023-02-23
Filing date: 2023-02-23
Publication date: 2023-07-14
Anticipated expiration: 2033-02-23

Abstract

The utility model discloses a drag hook assembly for orthopedic surgery, which belongs to the field of medical orthopaedics and comprises a mounting plate, wherein the mounting plate is U-shaped, a locking bolt is connected to the bottom surface of the mounting plate in a threaded manner, a T-shaped groove is formed in the right side wall of the mounting plate, a T-shaped block is connected in a sliding manner in the T-shaped groove, a positioning mechanism is arranged on the side wall of the T-shaped block, a stand column is fixedly connected to the side wall of the T-shaped block, the stand column is L-shaped, a reinforcing rib is fixedly connected to the corner of the side wall of the stand column, a box body is fixedly connected to the side wall of the stand column, a rectangular cylinder is movably connected to the bottom surface of the box body, a connecting rod is movably connected in the rectangular cylinder, a mounting block is fixedly connected to the bottom end of the connecting rod, a traction hook is mounted on the side wall of the mounting block, and an adjusting mechanism is arranged in the box body.

Description

Retractor assembly for orthopedic surgery

Technical Field

The utility model relates to the field of medical orthopaedics, in particular to a drag hook assembly for orthopaedics operation.

Background

In the bone surgery process, in order to ensure the visual field of medical personnel during surgery, the surgical retractor is usually used for assisting, and the main effect can separate skin and tissue organs, expose the part needing to perform surgery, enlarge the surgical visual field, and enable the medical personnel to perform surgery more conveniently and intuitively.

Patent search finds that, publication number: the Chinese patent of CN211609907U discloses a retractor assembly for orthopedic surgery, which can change the inconvenience of adjustment or pollution to the surgery field during adjustment caused by the traditional method of external traction, but is inconvenient to use hooks for carrying out traction treatment on different parts of a patient according to actual surgery demands, has great limitation in practical application, and has a certain curved surface because the skin surface is not a parallel surface when the patient is separated, if the skin tissue is scratched easily by adopting a parallel separation mode, the secondary injury is caused to the patient, the progress of the surgery is influenced, and the burden of the patient is increased.

Disclosure of Invention

1. Technical problem to be solved

Aiming at the problems in the prior art, the utility model aims to provide a drag hook assembly for orthopedic surgery, which can adjust the heights and the expansion distances of drag hooks at two sides according to the position of a patient operation part, thereby avoiding secondary injury to the patient.

2. Technical proposal

In order to solve the problems, the utility model adopts the following technical scheme.

The utility model provides a drag hook subassembly for bone surgery, includes the mounting panel, the mounting panel is the U-shaped setting, mounting panel bottom surface threaded connection has the locking bolt, the T-shaped groove has been seted up to the mounting panel right side wall, sliding connection has T shape piece in the T-shaped groove, T shape piece lateral wall is provided with positioning mechanism, T shape piece lateral wall fixedly connected with stand, the stand is L shape setting, stand lateral wall corner fixedly connected with strengthening rib, stand lateral wall fixedly connected with box body, box body bottom surface swing joint has a rectangle section of thick bamboo, swing joint has the connecting rod in the rectangle section of thick bamboo, connecting rod bottom fixedly connected with installation piece, traction hook is installed to the installation piece lateral wall, be provided with adjustment mechanism in the box body.

Further, positioning mechanism includes the inserted bar, inserted bar swing joint has at T shape piece lateral wall, the inserted bar runs through the stand, a plurality of evenly distributed's jack has been seted up on the T-shaped groove lateral wall, inserted bar right-hand member fixedly connected with pull ring, the cover is equipped with the spring on the inserted bar lateral wall.

Further, adjustment mechanism includes the pivot, the pivot rotates to be connected at the stand top surface, the pivot bottom runs through the stand and extends to in the box body, pivot top fixedly connected with runner, fixedly connected with gear on the pivot lateral wall, the lateral wall has the rack in the meshing respectively around the gear, logical groove has been seted up to box body bottom surface symmetry, rectangular cylinder and rack fixed connection.

Further, the right side wall of the rectangular cylinder is close to the first fixed plate of bottom surface department fixedly connected with, first fixed plate top surface threaded connection has the screw rod, screw rod top fixedly connected with bull stick, the equal fixedly connected with second fixed plate of installation piece right side wall, the screw rod bottom rotates with the second fixed plate and is connected.

Further, the bottom surface of the installation block is provided with a groove, the traction hook is matched with the groove, the left side wall of the installation block is in threaded connection with a fixing bolt, and the fixing bolt is in threaded connection with the side wall of the groove.

Further, a threaded sleeve is connected to the side wall of the rotating shaft in a threaded mode, a threaded hole is formed in the top surface of the upright post, and the threaded sleeve is connected with the threaded hole in a threaded mode.

3. Advantageous effects

Compared with the prior art, the utility model has the advantages that:

(1) According to the scheme, through the mutual cooperation among the mounting plate, the T-shaped groove, the T-shaped block, the stand column, the positioning mechanism and the like, the stand column can be adjusted to a proper position according to operation requirements, the stand column can be used for different operation parts of a patient, the flexibility in operation is increased, and meanwhile shielding of the vision field of medical staff is reduced.

(2) According to the scheme, through the mutual coordination among the upright post, the box body, the traction hooks, the adjusting mechanism and the like, the distance and the height between the traction hooks at two sides can be adjusted according to the position of the operation part of a patient, and particularly, when the curved surface parts such as shoulders and legs are larger, a good traction effect can be achieved, and secondary injury to the patient caused by parallel traction is avoided.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a schematic view of a positioning mechanism according to the present utility model;

FIG. 3 is a schematic view of an adjusting mechanism according to the present utility model;

FIG. 4 is an enlarged view of the utility model at A in FIG. 1;

fig. 5 is an enlarged view of the utility model at B in fig. 3.

The reference numerals in the figures illustrate:

1. a mounting plate; 2. a locking bolt; 3. a T-shaped groove; 4. a T-shaped block; 5. a rod; 6. a jack; 7. a pull ring; 8. a spring; 9. a column; 10. reinforcing ribs; 11. a case body; 12. a rectangular cylinder; 13. a traction hook; 14. a connecting rod; 15. a mounting block; 16. a first fixing plate; 17. a screw; 18. a second fixing plate; 19. a rotating rod; 20. a groove; 21. a fixing bolt; 22. a rotating shaft; 23. a gear; 24. a rack; 25. a rotating wheel; 26. a through groove; 27. a screw sleeve; 28. and (3) a threaded hole.

Detailed Description

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model; it is apparent that the described embodiments are only some embodiments of the present utility model, not all embodiments, and that all other embodiments obtained by persons of ordinary skill in the art without making creative efforts based on the embodiments in the present utility model are within the protection scope of the present utility model.

Example 1:

referring to fig. 1-5, the retractor assembly for orthopedic surgery comprises a mounting plate 1, the mounting plate 1 is in a U-shaped arrangement, a locking bolt 2 is connected to the bottom surface of the mounting plate 1 in a threaded manner, a T-shaped groove 3 is formed in the right side wall of the mounting plate 1, a T-shaped block 4 is connected to the inner side of the T-shaped groove 3 in a sliding manner, a positioning mechanism is arranged on the side wall of the T-shaped block 4, a stand column 9 is fixedly connected to the side wall of the T-shaped block 4, the stand column 9 is in an L-shaped arrangement, a reinforcing rib 10 is fixedly connected to the corner of the side wall of the stand column 9, a box body 11 is fixedly connected to the side wall of the stand column 9, a rectangular cylinder 12 is movably connected to the bottom surface of the box body 11, a connecting rod 14 is movably connected to the inside of the rectangular cylinder 12, a mounting block 15 is fixedly connected to the bottom end of the connecting rod 14, a traction hook 13 is mounted to the side wall of the mounting block 15, a groove 20 is formed in the bottom surface of the mounting block 15, the traction hook 13 is matched with the groove 20, a fixing bolt 21 is connected to the left side wall of the groove 20 in a threaded manner, the fixing bolt 21 is in the side wall of the groove 20 is in a threaded manner, and the side wall of the groove 13 is convenient to replace the traction hooks 13 of different types, and an adjusting mechanism is arranged in the box body 11.

Referring to fig. 1 and 2, positioning mechanism includes inserted bar 5, inserted bar 5 swing joint has at T shape piece 4 lateral wall, inserted bar 5 runs through stand 9, offer a plurality of all with jack 6 of distribution on the T shape groove 3 lateral wall, inserted bar 5 right-hand member fixedly connected with pull ring 7, the cover is equipped with spring 8 on the inserted bar 5 lateral wall, through mutually supporting between mounting panel 1, T shape groove 3, T shape piece 4, stand 9 and positioning mechanism etc. can be according to the operation demand with stand 9 adjustment to suitable position, can use to the different operation positions of patient, the flexibility when having increased the operation, reduce the shielding to medical personnel's view simultaneously.

Referring to fig. 1 and 3, the adjustment mechanism includes a rotating shaft 22, the rotating shaft 22 is rotatably connected to the top surface of the upright post 9, the bottom end of the rotating shaft 22 penetrates through the upright post 9 and extends into the box 11, the top end of the rotating shaft 22 is fixedly connected with a rotating wheel 25, a threaded sleeve 27 is connected to the side wall of the rotating shaft 22 in a threaded manner, a threaded hole 28 is formed in the top surface of the upright post 9, the threaded sleeve 27 is in threaded connection with the threaded hole 28, the rotating shaft 22 can be locked through the threaded sleeve 27, unstable phenomena such as shaking and the like are prevented when the adjustment mechanism is used, a gear 23 is fixedly connected to the side wall of the rotating shaft 22, racks 24 are meshed with the front side wall and the rear side wall of the gear 23 respectively, through grooves 26 are symmetrically formed in the bottom surface of the box 11, and the rectangular barrel 12 is fixedly connected with the racks 24.

Through the mutual cooperation among the upright post 9, the box body 11, the traction hooks 13, the adjusting mechanism and the like, the distance and the height between the traction hooks 13 at two sides can be adjusted according to the position of a patient operation part, particularly when the curved surface parts such as shoulders, legs and the like are larger, a good traction effect can be achieved, and secondary damage to the patient caused by parallel traction is avoided.

Referring to fig. 1 and 4, the right side wall of the rectangular cylinder 12 is fixedly connected with a first fixing plate 16 near the bottom surface, the top surface of the first fixing plate 16 is in threaded connection with a screw rod 17, the top end of the screw rod 17 is fixedly connected with a rotating rod 19, the right side wall of the mounting block 15 is fixedly connected with a second fixing plate 18, the bottom end of the screw rod 17 is in rotary connection with the second fixing plate 18, the mounting block 15 can be driven to move downwards through the screw rod 17 and the rotating rod 19, a good traction effect can be achieved on the curved surface of the skin, and the using effect of the skin is effectively improved.

When in use: firstly, the mounting plate 1 is clamped on the edge of an operation table and fixed by using the locking bolt 2, then, the pull ring 7 is pulled outwards to drive the inserted link 5 to separate from the jack 6 according to the position of the upright post 9 of the patient, then, after the upright post 9 is pushed to a proper position, the pull ring 7 is loosened, the inserted link 5 is driven to be inserted into the jack 6 by rebound of the spring 8, the adjustment of the upright post 9 is completed, then, the height and the interval of the traction hooks 13 at two sides are adjusted according to the operation position of the patient, the rotating rod 19 is rotated to drive the screw 17 to rotate, the screw 17 drives the connecting rod 14 to move in the rectangular cylinder 12 for adjusting the height of the traction hooks 13 at two sides, then, the threaded sleeve 27 is loosened, the rotating wheel 25 is rotated to drive the rotating shaft 22 to rotate, the rotating shaft 22 is meshed with the rack 24 to move reversely by the gear 23, and the rack 24 drives the traction hooks 13 to two sides by the rectangular cylinder 12, and after the traction hooks 13 are adjusted to the appointed position, the threaded sleeve 27 is screwed to lock the rotating shaft 22, so that shaking is avoided in the use process.

The above description is only of the preferred embodiments of the present utility model; the scope of the utility model is not limited in this respect. Any person skilled in the art, within the technical scope of the present disclosure, may apply to the present utility model, and the technical solution and the improvement thereof are all covered by the protection scope of the present utility model.

Claims

1. Draw hook assembly for bone surgery, including mounting panel (1), its characterized in that: mounting panel (1) is the U-shaped setting, mounting panel (1) bottom surface threaded connection has locking bolt (2), T-shaped groove (3) have been seted up to mounting panel (1) right side wall, sliding connection has T shape piece (4) in T-shaped groove (3), T shape piece (4) lateral wall is provided with positioning mechanism, T shape piece (4) lateral wall fixedly connected with stand (9), stand (9) are L shape setting, stand (9) lateral wall corner fixedly connected with strengthening rib (10), stand (9) lateral wall fixedly connected with box body (11), box body (11) bottom surface swing joint has rectangular cylinder (12), swing joint has connecting rod (14) in rectangular cylinder (12), connecting rod (14) bottom fixedly connected with installation piece (15), traction hook (13) are installed to installation piece (15) lateral wall, be provided with adjustment mechanism in box body (11).

2. The retractor assembly for orthopedic surgery according to claim 1, wherein: the positioning mechanism comprises an inserting rod (5), the inserting rod (5) is movably connected with the side wall of the T-shaped block (4), the inserting rod (5) penetrates through the upright column (9), a plurality of evenly distributed insertion holes (6) are formed in the side wall of the T-shaped groove (3), the right end of the inserting rod (5) is fixedly connected with a pull ring (7), and a spring (8) is sleeved on the side wall of the inserting rod (5).

3. The retractor assembly for orthopedic surgery according to claim 1, wherein: the adjusting mechanism comprises a rotating shaft (22), the rotating shaft (22) is rotationally connected to the top surface of the upright post (9), the bottom end of the rotating shaft (22) penetrates through the upright post (9) and extends into the box body (11), a rotating wheel (25) is fixedly connected to the top end of the rotating shaft (22), a gear (23) is fixedly connected to the side wall of the rotating shaft (22), racks (24) are meshed with the front side wall and the rear side wall of the gear (23) respectively, through grooves (26) are symmetrically formed in the bottom surface of the box body (11), and the rectangular cylinder (12) is fixedly connected with the racks (24).

4. The retractor assembly for orthopedic surgery according to claim 1, wherein: the right side wall of the rectangular cylinder (12) is fixedly connected with a first fixing plate (16) close to the bottom surface, the top surface of the first fixing plate (16) is in threaded connection with a screw rod (17), the top end of the screw rod (17) is fixedly connected with a rotating rod (19), the right side wall of the mounting block (15) is fixedly connected with a second fixing plate (18), and the bottom end of the screw rod (17) is in rotary connection with the second fixing plate (18).

5. The retractor assembly for orthopedic surgery according to claim 1, wherein: the bottom surface of the installation block (15) is provided with a groove (20), the traction hook (13) is matched with the groove (20), the left side wall of the installation block (15) is connected with a fixing bolt (21) in a threaded manner, and the fixing bolt (21) is connected with the side wall of the groove (20) in a threaded manner.

6. The retractor assembly for orthopedic surgery according to claim 3, wherein: threaded sleeve (27) is connected to the side wall of the rotating shaft (22), threaded hole (28) is formed in the top surface of the upright post (9), and the threaded sleeve (27) is connected with the threaded hole (28) in a threaded mode.