CN219207081U

CN219207081U - Surgical retractor for thoracic surgery

Info

Publication number: CN219207081U
Application number: CN202222567212.0U
Authority: CN
Inventors: 杨小进
Original assignee: Third People's Hospital Of Hubei Province Hubei Zhongshan Hospital
Current assignee: Third People's Hospital Of Hubei Province Hubei Zhongshan Hospital
Priority date: 2022-09-27
Filing date: 2022-09-27
Publication date: 2023-06-20
Anticipated expiration: 2032-09-27

Abstract

The utility model relates to the technical field of medical instruments and discloses a surgical retractor for thoracic surgery, which comprises a U-shaped frame, wherein a traction mechanism is arranged in the U-shaped frame and comprises a gear groove, and the gear groove is formed in the U-shaped frame. The pull ring is pulled upwards to enable the sleeve to generate vertical displacement, the threaded rotating shaft is driven to rotate, the rack horizontally moves in the rack sliding groove through the gear, so that the two pulling rods are driven to be away from each other, the pulling hook A and the pulling hook B prop up a pulling area and control the length of the pulling area, the threaded rod is rotated again, the pulling hook A and the pulling hook B do not rotate when being separated from each other through the limit of the pulling groove on the pulling hook A and the pulling hook B, the pulling hook A and the pulling hook B prop up the pulling area and control the width of the pulling area, the area of the pulling area is controlled, and the operation is convenient; the dismounting mechanism enables the draw hook A and the draw hook B to have dismounting and replacing functions.

Description

Surgical retractor for thoracic surgery

Technical Field

The utility model relates to the technical field of medical instruments, in particular to a surgical retractor for thoracic surgery.

Background

Thoracic surgery is a medical specialty, specially researches intrathoracic organs, mainly refers to diagnosis and treatment of esophagus, lung and mediastinum lesions; the retractor is a medical device, and the retractor is used for assisting the assembly and implantation of related prostheses in the chest surgery;

according to the multipurpose surgical retractor for thoracic surgery disclosed in the publication No. CN205359533U, the position and the distance between the hook bodies are adjusted by fastening screws, so that the multipurpose surgical retractor is simple in structure, convenient and quick to adjust and easy to operate and control; the extension tube is beneficial to extending the length of the stay bar according to the use requirement, has simple structure, expands the application range, improves the equipment utilization rate and reduces the working difficulty of medical staff; the arrangement of the hook body is beneficial to adjusting the use length and angle according to the use requirement, improves the adaptability of the equipment and enlarges the use range;

however, the device has the disadvantage that the human tissue has resilience, and part of the muscle and other tissues need to be pulled during the operation, so that the implantation and the assembly of the related prosthesis are facilitated, but the device does not have a pulling effect; and the drag hook can not be disassembled and replaced, so that the drag hook is inconvenient to disinfect, and the whole device is required to be replaced when the drag hook is worn, thereby increasing the economic cost.

Disclosure of Invention

The utility model aims to provide a surgical retractor for thoracic surgery, which aims to solve the problems in the prior art.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the surgical retractor for thoracic surgery comprises a U-shaped frame, wherein a pulling mechanism is arranged in the U-shaped frame, and the pulling mechanism comprises a gear groove;

the gear groove is formed in the U-shaped frame, the gear groove is rotationally connected with a threaded rotating shaft through a bearing, the threaded rotating shaft penetrates through the top of the U-shaped frame, the surface of the threaded rotating shaft is in threaded connection with a sleeve, the top of the sleeve is fixedly provided with a pull ring, one side of the sleeve is fixedly provided with a limiting rod, the surface of the limiting rod is in sliding connection with a stand column, the bottom of the stand column is fixedly connected with the top of the U-shaped frame, the surface of the threaded rotating shaft is fixedly provided with a limiting block, the inside of the U-shaped frame is provided with a limiting groove, the inside surface of the limiting groove is rotationally connected with the surface of the limiting block, the surface of the threaded rotating shaft is fixedly provided with a gear, the surface of the gear is meshed with a rack, the inner wall of the U-shaped frame is provided with a rack chute, one side of the rack is contacted with a traction rod, one side of the traction rod is provided with a traction groove, the inside surface of the traction groove is rotationally connected with a threaded rod through the bearing, the threaded rod penetrates through the traction rod, the surface of the threaded rod is in threaded connection with a traction hook A and B, the surface of the traction groove is in sliding connection with the surface of the traction groove, and the traction groove is in sliding connection with the surface of the traction groove B.

The U-shaped frame is internally provided with a dismounting mechanism.

Preferably, the dismounting mechanism comprises a T-shaped block, one side of the T-shaped block is fixedly connected with one side of the traction rod, a slot is formed in one side of the rack, the inner surface of the slot is in sliding connection with the surface of the T-shaped block, a rotary groove is formed in the inner surface of the slot, the inner surface of the rotary groove is rotationally connected with the surface of the T-shaped block, a pin hole A is formed in the top of the T-shaped block in a penetrating mode, a pin hole B is formed in the top of the rack in a penetrating mode, and the inner surface of the pin hole A and the inner surface of the pin hole B are in pin joint through a pin.

Preferably, the surface of the contact part between the threaded rotating shaft and the inner wall of the sleeve is in a threaded shape, and the surface of the other part is smooth, so that the threaded rotating shaft is driven to rotate when the sleeve generates vertical displacement.

Preferably, the horizontal cross section of the limiting block is circular, and the horizontal cross section of the limiting block is matched with the horizontal cross section of the inner surface of the limiting groove, so that the threaded rotating shaft is limited by the limiting block when rotating, and displacement of the threaded rotating shaft is avoided.

Preferably, the vertical cross-sectional shape of the side surface of the inner surface of the rack chute is matched with the vertical cross-sectional shape of the side surface of the rack, so that the rack does not shake when sliding in the rack chute.

Preferably, the surface of the threaded rod is a bidirectional thread, the contact part of the surface of the threaded rod and the inner wall of the draw hook A is a forward thread, and the contact part of the surface of the threaded rod and the inner wall of the draw hook B is a reverse thread, so that when the threaded rod rotates, the draw hook A and the draw hook B reversely slide, and the size of a traction area is controlled.

Preferably, the front vertical section shape of the drag hook A and the drag hook B are matched with the front vertical section shape of the inner surface of the traction groove, the drag hook A and the drag hook B are both provided with two drag hooks, and the two drag hooks A and the drag hook B are symmetrically distributed in the U-shaped frame, so that the drag hook A and the drag hook B are limited by the traction groove when sliding in the traction groove and do not rotate.

Preferably, the horizontal section shape of the inner wall of the upright post is matched with the horizontal section shape of the limiting rod, so that the limiting rod does not shake when the inner wall of the upright post slides, and the sleeve does not rotate.

The utility model provides a surgical retractor for thoracic surgery. The surgical retractor for thoracic surgery has the following beneficial effects:

(1) This thoracic surgery's operation drag hook, upwards pulling pull ring makes the sleeve produce vertical displacement to drive the screw thread pivot and rotate, make rack horizontal migration in rack spout through the gear, thereby drive two tractive poles and keep away from each other, make drag hook A and drag hook B prop out the regional length of pulling and draw the regional and control, make the threaded rod rotate again, make drag hook A and drag hook B keep away from each other through the spacing of drag hook A and drag hook B of pulling the groove and do not produce the rotation, drag hook A and drag hook B prop out the regional width of pulling and draw the regional and control, make the regional area of pulling be controlled, the operation of being convenient for.

(2) According to the surgical retractor for thoracic surgery, the T-shaped block is inserted into the slot, ninety degrees of the T-shaped block are rotated when the T-shaped block is completely inserted, so that the hook bodies of the retractor A and the retractor B are directed downwards, the pin is inserted into the pin hole A and the pin hole B at the moment, so that the rack is connected with the T-shaped block, the retractor A and the retractor B are installed, and conversely, the retractor A and the retractor B are detached, so that the retractor A and the retractor B have the functions of detachment and replacement, and the device is continuously used through replacement when the retractor A and the retractor B are worn, so that the economic cost is reduced.

Drawings

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

FIG. 2 is a schematic plan view of the structure of the present utility model;

FIG. 3 is a schematic front cross-sectional view of a stopper according to the present utility model;

FIG. 4 is a schematic elevational view in cross-section of a disassembly mechanism of the present utility model;

fig. 5 is an enlarged schematic view of the structure of the present utility model at a.

In the figure: the device comprises a 1U-shaped frame, a2 pulling mechanism, a 201 gear groove, a 202 threaded rotating shaft, a 203 sleeve, a 204 pull ring, a 205 limiting block, a 206 limiting groove, a 207 gear, a 208 rack, a 209 rack sliding groove, a 210 pulling rod, a 211 pulling groove, a 212 threaded rod, a213 drag hook A, a 214 drag hook B, a 215 limiting rod, a 216 upright post, a3 dismounting mechanism, a 301T-shaped block, a 302 slot, a 303 rotating groove, a304 pin hole A and a 305 pin hole B.

Detailed Description

As shown in fig. 1-5, the present utility model provides a technical solution: the surgical retractor for thoracic surgery comprises a U-shaped frame 1, wherein a pulling mechanism 2 is arranged in the U-shaped frame 1, and the pulling mechanism 2 comprises a gear groove 201;

the gear groove 201 is arranged inside the U-shaped frame 1, the gear groove 201 is rotationally connected with a threaded rotating shaft 202 through a bearing, the surface of the contact part of the threaded rotating shaft 202 and the inner wall of the sleeve 203 is in a threaded shape, the surface of the rest part is smooth, the threaded rotating shaft 202 penetrates through the top of the U-shaped frame 1, the surface of the threaded rotating shaft 202 is in threaded connection with the sleeve 203, the top of the sleeve 203 is fixedly provided with a pull ring 204, one side of the sleeve 203 is fixedly provided with a limiting rod 215, the surface of the limiting rod 215 is in sliding connection with a stand column 216, the horizontal cross section of the inner wall of the stand column 216 is matched with the horizontal cross section of the limiting rod 215, the bottom of the stand column 216 is fixedly connected with the top of the U-shaped frame 1, the surface of the threaded rotating shaft 202 is fixedly provided with a limiting block 205, the horizontal cross section of the limiting block 205 is circular, the horizontal cross section of the limiting block 205 is matched with the horizontal cross section of the inner surface of the limiting groove 206, the inside the U-shaped frame 1 is provided with the limiting groove 206, the inner surface of the limit groove 206 is rotationally connected with the surface of the limit block 205, a gear 207 is fixedly arranged on the surface of the threaded rotating shaft 202, a rack 208 is meshed on the surface of the gear 207, a rack chute 209 is arranged on the inner wall of the U-shaped frame 1, the vertical cross section shape of the side surface of the inner surface of the rack chute 209 is matched with the vertical cross section shape of the side surface of the rack 208, the inner surface of the rack chute 209 is slidingly connected with the surface of the rack 208, a traction rod 210 is contacted with one side of the rack 208, a traction groove 211 is formed on one side of the traction rod 210, the inner surface of the traction groove 211 is rotationally connected with a threaded rod 212 through a bearing, the surface of the threaded rod 212 is a bidirectional thread, the contact part of the surface of the threaded rod 212 and the inner wall of the drag hook A213 is a forward thread, the contact part of the threaded rod 212 and the inner wall of the drag hook B214 is a reverse thread, the threaded rod 212 penetrates the traction rod 210, the surface of the threaded rod 212 is in threaded connection with the drag hook A213 and the drag hook B214, the front vertical section shape of the drag hook A213 and the drag hook B214 are matched with the front vertical section shape of the inner surface of the drag groove 211, the drag hook A213 and the drag hook B214 are both provided with two drag hooks, the two drag hooks A213 and the drag hook B214 are symmetrically distributed in the U-shaped frame 1, the surface of the drag hook A213 is in sliding connection with the inner surface of the drag groove 211, the surface of the drag hook B214 is in sliding connection with the inner surface of the drag groove 211, the pull ring 204 is pulled upwards, the sleeve 203 generates vertical displacement, thereby driving the threaded rotating shaft 202 to rotate, the rack 208 horizontally moves in the rack chute 209 through the gear 207, thereby driving the two drag rods 210 to be mutually separated, enabling the drag hook A213 and the drag hook B214 to prop up the drag area and controlling the length of the drag area, enabling the threaded rod 212 to rotate again, and enabling the drag hook A213 and the drag hook B214 to be kept away from each other through the limit of the drag groove 211, and controlling the width of the drag area, thereby facilitating the operation;

the U-shaped frame 1 is internally provided with a dismounting mechanism 3, the dismounting mechanism 3 comprises a T-shaped block 301, one side of the T-shaped block 301 is fixedly connected with one side of a traction rod 210, one side of a rack 208 is provided with a slot 302, the inner surface of the slot 302 is in sliding connection with the surface of the T-shaped block 301, the inner surface of the slot 302 is provided with a rotary groove 303, the inner surface of the rotary groove 303 is in rotary connection with the surface of the T-shaped block 301, the top of the T-shaped block 301 is communicated with a pin hole A304, the top of the rack 208 is communicated with the inner surface of the pin hole B305, the T-shaped block 301 is inserted into the slot 302 through pin connection, the T-shaped block 301 is rotated ninety degrees again when the T-shaped block 301 is completely inserted, so that the hook bodies of the drag hook A213 and the drag hook B214 point downwards, and the pin hole A304 and the pin hole B305 are inserted through the pin at the moment, thereby the rack 208 and the T-shaped block 301 are connected, thereby the drag hook A213 and the drag hook B214 are mounted, and conversely the drag hook B213 are dismounted, the drag hook A213 and the drag hook B214 have dismounting and replacement functions, and the use device is continuously replaced when the drag and the drag hook B214 is worn, and the economic cost is reduced.

When the surgical retractor for thoracic surgery is used, the pull ring 204 is pulled upwards, the sleeve 203 generates vertical displacement, the threaded rotating shaft 202 is driven to rotate, the rack 208 is driven to horizontally move in the rack sliding groove 209 through the gear 207, the two traction rods 210 are driven to be away from each other, the retractor A213 and the retractor B214 are enabled to prop up a traction area, the length of the traction area is controlled, the threaded rod 212 is rotated again, the retractor A213 and the retractor B214 are enabled to be away from each other through the limit of the traction groove 211, rotation is not generated at the same time, and the retractor A213 and the retractor B214 prop up the traction area and control the width of the traction area; the T-shaped block 301 is inserted into the slot 302, the T-shaped block 301 is rotated ninety degrees when the T-shaped block 301 is completely inserted, so that the hook bodies of the draw hook A213 and the draw hook B214 are downwards directed, at the moment, the pin holes A304 and the pin holes B305 are inserted by using pins, so that the rack 208 and the T-shaped block 301 are connected, and the draw hook A213 and the draw hook B214 are installed and detached in the opposite directions.

In view of the foregoing, it will be appreciated that while embodiments of the utility model have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations may be made hereto without departing from the principles and spirit of the utility model, the scope of which is defined by the appended claims and their equivalents.

Claims

1. The utility model provides a thoracic surgery's operation drag hook, includes U type frame (1), its characterized in that: a traction mechanism (2) is arranged in the U-shaped frame (1), and the traction mechanism (2) comprises a gear groove (201);

the gear groove (201) is formed inside the U-shaped frame (1), the gear groove (201) is rotationally connected with a threaded rotating shaft (202) through a bearing, the threaded rotating shaft (202) penetrates through the top of the U-shaped frame (1), a sleeve (203) is in threaded connection with the surface of the threaded rotating shaft (202), a pull ring (204) is fixedly mounted on the top of the sleeve (203), a limit rod (215) is fixedly mounted on one side of the sleeve (203), a stand column (216) is connected with the surface of the limit rod (215) in a sliding manner, the bottom of the stand column (216) is fixedly connected with the top of the U-shaped frame (1), a limiting block (205) is fixedly mounted on the surface of the threaded rotating shaft (202), a limiting groove (206) is rotationally connected with the surface of the limiting block (205), a gear (207) is fixedly mounted on the surface of the threaded rotating shaft (202), a rack (209) is fixedly mounted on the inner wall of the U-shaped frame (1), the inner surface of the rack (209) is in sliding connection with the rack (208), a pull rod (210) is in sliding connection with the surface of the rack (208), and one side of the rack (210) is in sliding connection with the rack (210), the inner surface of the traction groove (211) is rotationally connected with a threaded rod (212) through a bearing, the threaded rod (212) penetrates through the traction rod (210), a drag hook A (213) and a drag hook B (214) are connected on the surface of the threaded rod (212) in a threaded manner, the surface of the drag hook A (213) is in sliding connection with the inner surface of the traction groove (211), and the surface of the drag hook B (214) is in sliding connection with the inner surface of the traction groove (211);

the U-shaped frame (1) is internally provided with a dismounting mechanism (3).

2. The surgical retractor for thoracic surgery of claim 1 wherein: disassembly body (3) are including T type piece (301), T type piece (301) one side and traction rod (210) one side fixed connection, slot (302) have been seted up to rack (208) one side, slot (302) internal surface and T type piece (301) surface sliding connection, change groove (303) have been seted up to slot (302) internal surface, change groove (303) internal surface and T type piece (301) surface rotation to be connected, pinhole A (304) have been seted up in lining up at T type piece (301) top, pinhole B (305) have been seted up in lining up at rack (208) top, pinhole A (304) internal surface and pinhole B (305) internal surface pass through the pin joint.

3. The surgical retractor for thoracic surgery of claim 1 wherein: the surface of the contact part of the threaded rotating shaft (202) and the inner wall of the sleeve (203) is in a threaded shape, and the surface of the rest part is smooth.

4. The surgical retractor for thoracic surgery of claim 1 wherein: the horizontal cross section of the limiting block (205) is circular, and the horizontal cross section of the limiting block (205) is matched with the horizontal cross section of the inner surface of the limiting groove (206).

5. The surgical retractor for thoracic surgery of claim 1 wherein: the vertical cross-sectional shape of the side surface of the inner surface of the rack chute (209) is matched with the vertical cross-sectional shape of the side surface of the rack (208).

6. The surgical retractor for thoracic surgery of claim 1 wherein: the surface of the threaded rod (212) is a bidirectional thread, the contact part of the surface of the threaded rod (212) and the inner wall of the draw hook A (213) is a forward thread, and the contact part of the surface of the threaded rod and the inner wall of the draw hook B (214) is a reverse thread.

7. The surgical retractor for thoracic surgery of claim 1 wherein: the front vertical section shape of the drag hook A (213) and the drag hook B (214) are matched with the front vertical section shape of the inner surface of the drag groove (211), the drag hook A (213) and the drag hook B (214) are both provided with two, and the two drag hooks A (213) and the drag hook B (214) are symmetrically distributed in the U-shaped frame (1).

8. The surgical retractor for thoracic surgery of claim 1 wherein: the horizontal section shape of the inner wall of the upright post (216) is matched with the horizontal section shape of the limiting rod (215).