CN219166489U

CN219166489U - Bone joint struts device in clinical operation

Info

Publication number: CN219166489U
Application number: CN202222764672.2U
Authority: CN
Inventors: 贾芝和
Original assignee: Pingxiang People's Hospital
Current assignee: Pingxiang People's Hospital
Priority date: 2022-10-20
Filing date: 2022-10-20
Publication date: 2023-06-13
Anticipated expiration: 2032-10-20

Abstract

The utility model discloses a clinical operation bone joint stretching device which comprises an external device and a locking bolt, wherein the external device comprises a shell, a first knob and a second knob are arranged on the upper surface of the shell, a groove is formed in the middle of the shell, an inner assembly comprises a skin retractor which is arranged on one side of the inner wall of the groove, a hook is fixedly connected to the lower surface of the skin retractor, a first bracket is fixedly connected to one side of the skin retractor, a first gear is arranged at one end of the first bracket, which is far away from the skin retractor, a third bracket is arranged at the other side of the first gear, a bone joint stretching device is arranged at the other side of the inner wall of the groove, the skin stretching device can be controlled by adjusting the first knob, and the skin stretching device and the bone joint stretching device are arranged on the same device, so that a plurality of instruments influence the operation of doctors is avoided, and meanwhile, the risk caused by the cooperation of a plurality of people is reduced.

Description

Bone joint struts device in clinical operation

Technical Field

The utility model relates to the technical field of bone joint distraction, in particular to a bone joint distraction device for clinical operation.

Background

The device for expanding the bone joint is particularly important in the clinical operation of the bone joint, but the bone joint expanding device in the current market has some problems;

1. before bone surgery, the skin on the surface of the bone is cut, the skin on the surface is pulled out by a skin spreader, and when the bone part is exposed, the surgery is performed, but the process can be performed by a plurality of instruments or a plurality of people, so that the requirement on the degree of coordination among doctors is increased, and the operation of the doctors is inevitably influenced by arranging a plurality of instruments at a small incision;

2. most of the common bone joint distraction devices are handheld devices, which require a long experience accumulation of doctors to control proper sizes, but the handheld devices inevitably have the risk of hand-off and have the risk of certain skin tearing, so that the handheld devices are not practical.

Disclosure of Invention

In order to overcome the technical problems, the utility model aims to provide a bone joint distraction device for clinical operation.

The aim of the utility model can be achieved by the following technical scheme:

the utility model provides a clinical operation bone joint struts device, includes external device and locking bolt, external device includes the shell, the upper surface of shell is provided with first knob and second knob, the centre of shell is seted up flutedly, the inside of shell is provided with inside subassembly;

the inner assembly comprises a skin retractor arranged on one side of the inner wall of the groove, a hook is fixedly connected to the lower surface of the skin retractor, a first support is fixedly connected to one side of the skin retractor, a first gear is arranged at one end of the first support, which is far away from the skin retractor, a third support is arranged at the other side of the first gear, a bone joint spreader is arranged at the other side of the inner wall of the groove, a spreader plate is fixedly connected to the lower surface of the bone joint spreader, the bone joint spreader is fixed to one end of a second support through a locking bolt, a second gear is arranged at one end of the second support, which is far away from the bone joint spreader, and a fourth support is arranged at the other side of the second gear.

As a further scheme of the utility model: the skin retractor is symmetrical, the other side of the third support is fixedly connected to one side of the other skin retractor, saw teeth are arranged on the surfaces of one sides, far away from the direction of the skin retractor, of the first support and the third support, and two sides of the first gear are respectively connected with the first support and the third support in a meshed mode.

As a further scheme of the utility model: the bone joint spreader is symmetrically arranged, the other side of the fourth bracket is fixedly connected to one side of the other bone joint spreader, saw teeth are arranged on the surfaces of one sides, far away from the direction of the bone joint spreader, of the second bracket and the fourth bracket, and two sides of the second gear are respectively meshed with the second bracket) and the fourth bracket.

As a further scheme of the utility model: the first support and the third support are arranged below the second support and the fourth support, and the first support and the third support are parallel to the second support and the fourth support in the horizontal direction.

As a further scheme of the utility model: a positioning groove is formed in the middle of the bone joint spreader.

As a further scheme of the utility model: the first knob is correspondingly arranged above the first gear, and the second knob is correspondingly arranged above the second gear.

As a further scheme of the utility model: the bone joint spreader moves on the second bracket through the locking bolt, and the farthest moving distance exceeds the lower surface of the shell by not less than three centimeters.

The utility model has the beneficial effects that:

1. when the bone surgery is performed, the skin retractor and the bone joint spreader are reset firstly, after the incision is confirmed, a doctor can control the skin retractor through adjusting the first knob, after the skin is pulled out to a proper size, the bone joint spreader is adjusted to the bone joint position, the bone joint surgery can be performed through adjusting the second knob to control the size of the bone joint spreader, and the skin spreader and the bone joint spreader are arranged on the same device, so that the influence of a plurality of instruments on the operation of the doctor is avoided, and meanwhile, the risk caused by the fact that a plurality of people are required to complete the cooperation is also reduced;

2. the size of the skin retraction and the size of the bone joint distraction can be controlled by the knob, so that the incision size and the bone joint gap size of the operation can be controlled more accurately, and the risk of hand-held device hand-off and the risk of skin tearing at the incision are avoided.

Drawings

The utility model is further described below with reference to the accompanying drawings.

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

FIG. 2 is a top view of the overall structure of the present utility model;

FIG. 3 is a cross-sectional view of the front structure of the present utility model;

fig. 4 is an enlarged view of the area a of fig. 1 according to the present utility model.

In the figure: 1. an external device; 2. an internal component; 101. a housing; 102. a first knob; 103. a second knob; 104. a groove; 201. a skin retractor; 202. a hook; 203. a first bracket; 204. a first gear; 205. a bone joint distractor; 206. an opening plate; 207. a locking bolt; 208. a second bracket; 209. a second gear; 210. a third bracket; 211. and a fourth bracket.

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.

As shown in fig. 1-4, a clinical operation bone joint distraction device comprises an external device 1 and a locking bolt 207, wherein the external device 1 comprises a housing 101, a first knob 102 and a second knob 103 are arranged on the upper surface of the housing 101, the first knob 102 is correspondingly arranged above a first gear 204, the second knob 103 is correspondingly arranged above a second gear 209, so that the first gear 204 and the second gear 209 can be controlled through the first knob 102 and the second knob 103, a groove 104 is formed in the middle of the housing 101, and an internal component 2 is arranged inside the housing 101;

the inner assembly 2 comprises a skin retractor 201 arranged on one side of the inner wall of the groove 104, a hook 202 is fixedly connected to the lower surface of the skin retractor 201, a first bracket 203 is fixedly connected to one side of the skin retractor 201, a first gear 204 is arranged at one end of the first bracket 203 far away from the skin retractor 201, a third bracket 210 is arranged on the other side of the first gear 204, the skin retractor 201 is symmetrically arranged, the other side of the third bracket 210 is fixedly connected to one side of the other skin retractor 201, saw teeth are arranged on the surfaces of one sides of the first bracket 203 and the third bracket 210 far away from the skin retractor 201, two sides of the first gear 204 are respectively connected with the first bracket 203 and the third bracket 210 in a meshed manner, so that the first gear 204 can drive the first bracket 203 and the third bracket 210 to move, a bone joint retractor 205 is arranged on the other side of the inner wall of the groove 104, a positioning groove is formed in the middle of the bone joint retractor 205, the bone joint spreader 205 can be adjusted according to the bone joint position, the lower surface of the bone joint spreader 205 is fixedly connected with a spreader plate 206, the bone joint spreader 205 is fixed at one end of a second bracket 208 by a locking bolt 207, the bone joint spreader 205 moves on the second bracket 208 through the locking bolt 207, the furthest moving distance exceeds the lower surface of the shell 101 by not less than three centimeters, the bone joint spreader 205 can reach the bone joint position, one end of the second bracket 208 far away from the bone joint spreader 205 is provided with a second gear 209, the other side of the second gear 209 is provided with a fourth bracket 211, the bone joint spreader 205 is symmetrically arranged, the other side of the fourth bracket 211 is fixedly connected at one side of the other bone joint spreader 205, the surfaces of the second bracket 208 and the fourth bracket 211 at one side far away from the bone joint spreader 205 are provided with saw teeth, and the two sides of the second gear 209 are respectively engaged with the second bracket 208 and the fourth bracket 211, so that the second gear 209 can drive the second bracket 208 and the fourth bracket 211 to move, the first bracket 203 and the third bracket 210 are arranged below the second bracket 208 and the fourth bracket 211, and the first bracket 203 and the third bracket 210 are parallel to the second bracket 208 and the fourth bracket 211 in the horizontal direction, so that the skin retractor 201 and the bone joint retractor 205 do not influence the mutual movement.

The working principle of the utility model is as follows: before surgery, first, it is necessary to tighten the skin retractor 201 and the bone joint distractor 205 and adjust the bone joint distractor 205 to the highest position.

Secondly, after the doctor determines that the incision is finished, the groove 104 is aligned with the incision position, the skins at two sides of the incision are fixed at the hook 202 below the skin retractor 201, the first knob 102 is slowly adjusted, the first knob 102 drives the first gear 204 to rotate, the first gear 204 drives the first bracket 203 and the third bracket 210 to move horizontally through saw teeth on the first bracket 203 and the third bracket 210, finally the first bracket 203 drives the skin retractor 201 to open, when the incision reaches the operation requirement, the first knob 102 can be stopped rotating, then the spreader plate 206 at the lower end of the bone joint spreader 205 is adjusted to be between bone joints, the locking bolt 207 is fixed, the bone joint spreader 205 is fixed at a proper position, the second knob 103 is rotated to drive the second gear 209 to rotate, the second gear 209 drives the second bracket 208 and the fourth bracket 211 to move horizontally through saw teeth on the second bracket 208 and the fourth bracket 211, the effect that the second bracket 208 drives the bone joint spreader 205 to open is achieved, and the bone joint spreader 103 can be stopped rotating when the bone joint is at a proper position.

Finally, the doctor can complete the operation with the help of the bone joint distraction device, and the bone joint distraction device can be taken out by homing the inner assembly 2 after the operation.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and the like are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

The foregoing describes one embodiment of the present utility model in detail, but the description is only a preferred embodiment of the present utility model and should not be construed as limiting the scope of the utility model. All equivalent changes and modifications within the scope of the present utility model are intended to be covered by the present utility model.

Claims

1. The utility model provides a clinical operation bone joint struts device, includes external device (1) and lock bolt (207), its characterized in that, external device (1) include shell (101), the upper surface of shell (101) is provided with first knob (102) and second knob (103), slot (104) have been seted up in the centre of shell (101), the inside of shell (101) is provided with interior subassembly (2);

the inner assembly (2) comprises a skin retractor (201) arranged on one side of the inner wall of the groove (104), a hook (202) is fixedly connected to the lower surface of the skin retractor (201), a first support (203) is fixedly connected to one side of the skin retractor (201), a first gear (204) is arranged at one end of the first support (203) far away from the skin retractor (201), a third support (210) is arranged at the other side of the first gear (204), a bone joint spreader (205) is arranged at the other side of the inner wall of the groove (104), a spreading plate (206) is fixedly connected to the lower surface of the bone joint spreader (205), one end of the second support (208) is fixed to the lower surface of the bone joint spreader (205) through a locking bolt (207), a second gear (209) is arranged at one end of the second support (208) far away from the bone joint spreader (205), and a fourth support (211) is arranged at the other side of the second gear (209).

2. The device for stretching a bone joint in clinical surgery according to claim 1, wherein the skin retractors (201) are symmetrically arranged, the other side of the third bracket (210) is fixedly connected to one side of the other skin retractor (201), saw teeth are arranged on the surfaces of the first bracket (203) and the third bracket (210) on the side far away from the direction of the skin retractor (201), and two sides of the first gear (204) are respectively connected with the first bracket (203) and the third bracket (210) in a meshed manner.

3. The bone joint distraction device according to claim 1, wherein the bone joint distractor (205) is symmetrically arranged, the other side of the fourth bracket (211) is fixedly connected to one side of the other bone joint distractor (205), saw teeth are arranged on the surfaces of the sides of the second bracket (208) and the fourth bracket (211) far away from the bone joint distractor (205), and two sides of the second gear (209) are respectively connected with the second bracket (208) and the fourth bracket (211) in a meshed manner.

4. The device according to claim 1, wherein the first (203) and third (210) brackets are arranged below the second (208) and fourth (211) brackets, the first (203) and third (210) brackets being horizontally parallel to the second (208) and fourth (211) brackets.

5. The bone joint distractor device of claim 1, wherein a positioning slot is formed in the middle of the bone joint distractor (205).

6. The bone joint distraction device according to claim 1, wherein said first knob (102) is arranged above said first gear (204) and said second knob (103) is arranged above said second gear (209).

7. A clinical operative bone joint distractor device according to claim 1, wherein the bone joint distractor (205) is moved on the second frame (208) by means of the locking bolt (207) and is moved furthest than the lower surface of the housing (101) by a distance of not less than three cm.