CN220158307U

CN220158307U - Chest surgery retractor

Info

Publication number: CN220158307U
Application number: CN202321490081.9U
Authority: CN
Inventors: 胡云云; 吴齐飞
Original assignee: First Affiliated Hospital of Medical College of Xian Jiaotong University
Current assignee: First Affiliated Hospital of Medical College of Xian Jiaotong University
Priority date: 2023-06-13
Filing date: 2023-06-13
Publication date: 2023-12-12
Anticipated expiration: 2033-06-13

Abstract

The utility model discloses a thoracic surgery retractor, and relates to the technical field of medical appliances; the retractor body comprises a fixing device, the first screw is rotated through the mutual matching of the first screw and the fixing frame to enable the top plate to be lifted, then the whole device is fixed at an operation position through the mutual matching of the fixing frame and the top plate, so that the stability of the whole device is improved, the tissue of an affected part is convenient to retract, the operation effect is improved, the first rotating shaft is rotated through the mutual matching of the first rotating shaft and the first bevel gear to enable the first rotating shaft to rotate with the first bevel gear, then the first bevel gear is meshed with the second bevel gear to enable the first bevel gear to rotate with the second bevel gear to enable the second bevel gear to rotate with the second screw, the second screw is enabled to lift with the adjusting rod, the height of the whole device is convenient to adjust, and the practicality of the retractor body is improved.

Description

Chest surgery retractor

Technical Field

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

Background

Thoracic surgery is a medical specialty, which is specially used for researching diagnosis and treatment of lesions of esophagus, lung and mediastinum, and belongs to the field of mammary surgery, which is an old subject, is formed and developed for centuries, is developed into a theoretical basis with an independent system by accumulation of clinical experience of drip, is mutually penetrated with each subject, and usually needs to be spread by a retractor to open the breastbone of a patient in the thoracic surgery process, thereby exposing the operation range and facilitating exploration and operation.

However, the current chest surgical retractor is usually held by medical staff, the long-time operation can increase the working strength of the medical staff, which is not beneficial to retracting tissue at affected parts, affects the operation effect and is inconvenient to use, and the inventor proposes a chest surgical retractor for solving the problems.

Disclosure of Invention

In order to solve the problems that the current chest surgical retractor is inconvenient to adjust the height of the device and can not be well fixed; the utility model aims to provide a thoracic surgical retractor.

In order to solve the technical problems, the utility model adopts the following technical scheme: the utility model provides a thoracic surgery retractor, includes the retractor body, the retractor body includes fixing device, fixing device includes two mounts, two equal fixed mounting of mount upper end has adjustment mechanism, adjustment mechanism includes two bracing pieces, two equal fixed mounting of bracing piece upper end has the drive block, two equal screw thread rotation installs the second screw rod in the drive block, two equal screw thread rotation installs the regulation pole on the second screw rod surface, two the upper end fixed mounting of adjusting the pole has actuating mechanism, actuating mechanism includes the drive case, first gear is installed in the drive case rotation, be located the both sides slidable mounting of first gear has the pinion rack, two the pinion rack all meshes with first gear mutually.

Preferably, the first screw is rotatably installed in the internal thread of the fixing frame, a top plate is fixedly installed at one end of the first screw, a first rotary table is fixedly installed at the other end of the first screw, and the first rotary table is matched with the first screw.

Preferably, the guide rod is fixedly arranged at the upper end of the driving block, the guide rod is movably inserted into the adjusting rod, a first bearing is fixedly arranged in the driving block, a first rotating shaft is rotatably arranged in the driving block, one end of the first rotating shaft penetrates through the first bearing and is fixedly connected with the inner wall of the first rotating shaft, a first conical gear is fixedly arranged at the other end of the first rotating shaft, the first conical gear is mutually matched with the first rotating shaft, a second conical gear is fixedly arranged at the end of the second screw rod, and the second conical gear is meshed with the first conical gear.

Preferably, the sliding grooves are formed in the driving box, two toothed plates are slidably mounted in the sliding grooves, a second bearing is fixedly mounted on the inner wall of the driving box, a second rotating shaft is rotatably mounted in the driving box, one end of the second rotating shaft penetrates through the second bearing and is fixedly connected with the inner wall of the second rotating shaft, a second rotating disc is fixedly mounted at the upper end of the second rotating shaft, a first gear is fixedly mounted on the surface of the second rotating shaft, two sliding blocks are fixedly mounted on the lower surfaces of the toothed plates, the sliding blocks are mutually matched with the sliding grooves, a baffle is fixedly mounted at one end of each toothed plate, a connecting rod is fixedly mounted at one end, far away from the baffle, of each toothed plate, a through groove is formed in each connecting rod, and a retractor plate is detachably mounted at one end of each connecting rod.

Compared with the prior art, the utility model has the beneficial effects that:

1. through the mutual matching of the first screw rod and the fixing frame, the first screw rod is rotated to enable the top plate to be lifted, and then the integral device is fixed at the operation position through the mutual matching of the fixing frame and the top plate, so that the stability of the integral device is improved, the retraction of tissues of an affected part is facilitated, the working intensity of medical staff is reduced, and the operation effect is improved;

2. through the mutual cooperation of first pivot and first conical gear, rotate first pivot, make first pivot bring first conical gear to rotate, then through first conical gear and second conical gear's looks meshing, thereby make first conical gear bring second conical gear to rotate, thereby make second conical gear bring second screw rod rotate, thereby make second screw rod bring the regulation pole lift, thereby be convenient for adjust the height of whole device, thereby improve the practicality of retractor body, then through the mutual cooperation of second pivot and first gear, make second pivot bring first gear to rotate, then all mesh with first gear through two pinion racks, make first gear bring two pinion racks relative motion, thereby make two pinion racks bring two connecting rods relative motion, thereby make two retractor racks relative motion, thereby be convenient for pull back the affected part.

Drawings

In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

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

Fig. 2 is a schematic structural view of the fixing device of the present utility model.

FIG. 3 is a schematic view of the adjusting mechanism of the present utility model.

Fig. 4 is a schematic view of the structure of the driving box of the present utility model.

Fig. 5 is a schematic view of the internal structure of the driving box of the present utility model.

FIG. 6 is a schematic view of a gear tooth plate structure according to the present utility model.

In the figure: 1. a retractor body; 2. a fixing device; 21. a fixing frame; 22. a first screw; 221. a top plate; 222. a first turntable; 3. an adjusting mechanism; 31. a support rod; 32. a driving block; 321. a guide rod; 322. a first bearing; 33. a first rotating shaft; 331. a first bevel gear; 34. a second screw; 341. a second bevel gear; 342. an adjusting rod; 4. a driving mechanism; 41. a drive box; 411. a chute; 412. a second bearing; 42. a second rotating shaft; 421. a second turntable; 422. a first gear; 43. a toothed plate; 431. a slide block; 432. a baffle; 44. a connecting rod; 441. a through groove; 45. a retractor plate.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Examples: as shown in fig. 1-6, the utility model provides a thoracic surgery retractor, which comprises a retractor body 1, wherein the retractor body 1 comprises a fixing device 2, the fixing device 2 comprises two fixing frames 21, the upper ends of the two fixing frames 21 are fixedly provided with an adjusting mechanism 3, the adjusting mechanism 3 comprises two supporting rods 31, the upper ends of the two supporting rods 31 are fixedly provided with driving blocks 32, the inside of the two driving blocks 32 is provided with a second screw 34 in a threaded rotating manner, the surfaces of the two second screws 34 are provided with adjusting rods 342 in a threaded rotating manner, the upper ends of the two adjusting rods 342 are fixedly provided with a driving mechanism 4, the driving mechanism 4 comprises a driving box 41, the driving box 41 is rotatably provided with a first gear 422, two sides of the driving box 41, which are positioned on the first gear 422, are slidably provided with toothed plates 43, and the two toothed plates 43 are meshed with the first gear 422.

Through adopting above-mentioned technical scheme, fixing device 2 is used for fixed retractor body 1, and the bright retractor body 1 is more stable, and adjustment mechanism 3 is used for adjusting the height of retractor body 1, improves the practicality of retractor body 1, and drive piece 32 is used for installing first pivot 33 and second screw rod 34, and second screw rod 34 is convenient for adjust pole 342 and goes up and down, and drive mechanism 4 is used for driving two retractor plates 45 relative motion, all meshes with first gear 422 through two pinion racks 43, makes first gear 422 take two pinion racks 43 work.

The first screw rod 22 is rotatably installed in the fixing frame 21 in a threaded manner, a top plate 221 is fixedly installed at one end of the first screw rod 22, a first rotating disc 222 is fixedly installed at the other end of the first screw rod 22, and the first rotating disc 222 is matched with the first screw rod 22.

Through adopting above-mentioned technical scheme, through the mutually supporting of first screw rod 22 and mount 21, rotate first screw rod 22, make roof 221 rise, then through the mutually supporting of mount 21 and roof 221, fix whole device in operation department to improve whole device's stability, thereby be convenient for the retractor of affected part tissue, improve the operation effect.

The upper end of the driving block 32 is fixedly provided with a guide rod 321, the guide rod 321 is movably inserted into the adjusting rod 342, the driving block 32 is internally and fixedly provided with a first bearing 322, the driving block 32 is internally and rotationally provided with a first rotating shaft 33, one end of the first rotating shaft 33 penetrates through the first bearing 322 and is fixedly connected with the inner wall of the first rotating shaft, the other end of the first rotating shaft 33 is fixedly provided with a first conical gear 331, the first conical gear 331 is mutually matched with the first rotating shaft 33, the end of the second screw 34 is fixedly provided with a second conical gear 341, and the second conical gear 341 is meshed with the first conical gear 331.

Through adopting above-mentioned technical scheme, through the mutually supporting of first pivot 33 and first conical gear 331, rotate first pivot 33, make first pivot 33 take first conical gear 331 to rotate, then through the meshing of first conical gear 331 and second conical gear 341, thereby make first conical gear 331 take second conical gear 341 to rotate, thereby make second conical gear 341 take second screw 34 to make second screw 34 take regulation pole 342 to go up and down, thereby be convenient for adjust the height of whole device, thereby improve the practicality of retractor body 1.

A sliding groove 411 is formed in the driving box 41, two toothed plates 43 are slidably mounted in the sliding groove 411, a second bearing 412 is fixedly mounted on the inner wall of the driving box 41, a second rotating shaft 42 is rotatably mounted in the driving box 41, one end of the second rotating shaft 42 penetrates through the second bearing 412 and is fixedly connected with the inner wall of the second rotating shaft, a second rotary table 421 is fixedly mounted at the upper end of the second rotating shaft 42, a first gear 422 is fixedly mounted on the surface of the second rotating shaft 42, sliding blocks 431 are fixedly mounted on the lower surfaces of the two toothed plates 43, the sliding blocks 431 are mutually matched with the sliding groove 411, a baffle 432 is fixedly mounted at one end of each toothed plate 43, a connecting rod 44 is fixedly mounted at one end, far away from the baffle 432, of each toothed plate 43, a through groove 441 is formed in one connecting rod 44, and a retracting plate 45 is detachably mounted at one end of each connecting rod 44.

Through adopting above-mentioned technical scheme, spout 411 is convenient for two pinion racks 43 slide, and second pivot 42 is used for taking first gear 422 to rotate, all meshes with first gear 422 through two pinion racks 43, makes first gear 422 take two pinion racks 43 relative movement to make two pinion racks 43 take two connecting rods 44 relative movement, thereby make two retractor plates 45 relative movement, thereby be convenient for pull back the affected part, lead to the groove 441 be convenient for one of them pinion rack 43 pass another pinion rack 43, through setting up demountable installation's retractor plate 45, be convenient for change retractor plate 45.

Working principle: when the device is used, the retractor body 1 is fixed, the retractor body 1 is placed at an operation position, then the upper wall of the top plate 221 and the lower wall of the fixing frame 21 penetrate through an operation table, the first screw 22 is rotated clockwise through the mutual matching of the first screw 22 and the fixing frame 21, and the first screw 22 is rotated until the upper wall of the top plate 221 is tightly attached to the edge of the operation table, so that the fixing frame 21 can be fixed, the stability of the retractor body 1 is improved, the retraction of tissues of affected parts is facilitated, the working intensity of medical staff is reduced, and the operation effect is improved;

then the height of the retractor body 1 is adjusted according to the field requirement, the first rotating shaft 33 is matched with the first conical gear 331, the first rotating shaft 33 is rotated, the first rotating shaft 33 is meshed with the first conical gear 331, the first conical gear 331 is meshed with the second conical gear 341, the second conical gear 341 is rotated, the second screw 34 is lifted and lowered with the adjusting rod 342, the height of the whole device is adjusted conveniently, and the practicability of the retractor body 1 is improved;

then, through the mutual matching of the second rotating shaft 42 and the first gear 422, the second rotating shaft 42 drives the first gear 422 to rotate, and then through the meshing of the two toothed plates 43 and the first gear 422, the first gear 422 drives the two toothed plates 43 to move relatively, so that the two toothed plates 43 drive the two connecting rods 44 to move relatively, and the two retracting plates 45 move relatively, so that the retraction of an affected part is facilitated.

It will be apparent to those skilled in the art that various modifications and variations can be made to the present utility model without departing from the spirit or scope of the utility model. Thus, it is intended that the present utility model also include such modifications and alterations insofar as they come within the scope of the appended claims or the equivalents thereof.

Claims

1. A thoracic surgical retractor comprising a retractor body (1), characterized in that: the retractor body (1) comprises a fixing device (2), the fixing device (2) comprises two fixing frames (21), two adjustment mechanisms (3) are fixedly installed at the upper ends of the fixing frames (21), each adjustment mechanism (3) comprises two supporting rods (31), each driving block (32) is fixedly installed at the upper ends of the supporting rods (31), each second screw (34) is installed in each driving block (32) in a threaded mode, each adjusting rod (342) is installed on the surface of each second screw (34) in a threaded mode, each driving mechanism (4) is fixedly installed at the upper end of each adjusting rod (342), each driving mechanism (4) comprises a driving box (41), a first gear (422) is installed in the corresponding driving box (41), toothed plates (43) are slidably installed on two sides of each first gear (422), and each toothed plate (43) is meshed with each first gear (422).

2. The chest surgical retractor according to claim 1, wherein the first screw (22) is rotatably mounted in the internal thread of the fixing frame (21), a top plate (221) is fixedly mounted at one end of the first screw (22), a first rotary disc (222) is fixedly mounted at the other end of the first screw (22), and the first rotary disc (222) is mutually matched with the first screw (22).

3. The chest surgical retractor according to claim 1, wherein a guide rod (321) is fixedly arranged at the upper end of the driving block (32), the guide rod (321) is movably inserted into the adjusting rod (342), and a first bearing (322) is fixedly arranged in the driving block (32).

4. A thoracic retractor according to claim 3 wherein the drive block (32) is rotatably mounted with a first shaft (33), one end of the first shaft (33) extending through the first bearing (322) and being fixedly connected to the inner wall thereof, the other end of the first shaft (33) being fixedly mounted with a first bevel gear (331), the first bevel gear (331) being in co-operation with the first shaft (33).

5. A thoracic retractor according to claim 4 wherein a second bevel gear (341) is fixedly secured to the second screw (34), the second bevel gear (341) being in engagement with the first bevel gear (331).

6. A chest surgical retractor according to claim 1, wherein the driving box (41) is provided with a chute (411), two toothed plates (43) are slidably mounted in the chute (411), and a second bearing (412) is fixedly mounted on the inner wall of the driving box (41).

7. The chest surgical retractor according to claim 6, wherein the driving box (41) is rotatably provided with a second rotating shaft (42), one end of the second rotating shaft (42) penetrates through the second bearing (412) and is fixedly connected with the inner wall of the second rotating shaft, a second rotating disc (421) is fixedly arranged at the upper end of the second rotating shaft (42), and the first gear (422) is fixedly arranged on the surface of the second rotating shaft (42).

8. The thoracic surgery retractor according to claim 6, wherein the lower surfaces of the two toothed plates (43) are fixedly provided with sliding blocks (431), the sliding blocks (431) are matched with the sliding grooves (411), one ends of the two toothed plates (43) are fixedly provided with baffle plates (432), one ends of the two toothed plates (43) far away from the baffle plates (432) are fixedly provided with connecting rods (44), one of the connecting rods (44) is internally provided with a through groove (441), and one ends of the two connecting rods (44) are detachably provided with retracting plates (45).