CN213606997U

CN213606997U - Elbow joint external fixator

Info

Publication number: CN213606997U
Application number: CN202022462150.8U
Authority: CN
Inventors: 罗汉民
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-10-30
Filing date: 2020-10-30
Publication date: 2021-07-06
Anticipated expiration: 2030-10-30

Abstract

The utility model relates to the technical field of medical equipment, in particular to an elbow joint external fixator, which comprises a big arm support and a small arm support, wherein the big arm support and the small arm support are circular, the inner parts of the big arm support and the small arm support are cavities, the upper surfaces of the big arm support and the small arm support are fixedly connected with a first support plate and a second support plate, the surfaces of the left side and the right side of the big arm support are fixedly connected with a second fixed plate and a fourth fixed plate, the surfaces of the left side and the right side of the small arm support are fixedly connected with a first fixed plate and a third fixed plate, the first fixed plate, the second fixed plate, the third fixed plate and the fourth fixed plate are all fixedly connected with fixed columns, through arranging a first fixed frame and a second fixed frame, when the big arm support and the small arm support fix the arms, a supporting connection relation is carried out on the big arm support and the small arm support, because the arms of a person naturally, the arm needs to be fixed naturally when the fixator is placed in a non-vertical manner, so that the comfort of the fixator is improved.

Description

Elbow joint external fixator

Technical Field

The utility model relates to the technical field of medical equipment, particularly, relate to an elbow joint external fixator.

Background

The skin of the elbow joint is thin and soft, the superficial fascia is loose, and the superficial vein is thick and subcutaneous. The cephalic vein and the lateral cutaneous nerve of the forearm run on the lateral side of the tendon of biceps brachii; the basilic vein and the medial aspect of the forearm run medially to the tendon. The median elbow vein is usually obliquely upwards from the cephalic vein and connected to the basilic vein, and is anastomosed into an 'N' -shape; or divide into the median vein of head and the median vein of honour by forearm median vein to anterior area of the elbow, it is the first vein of "Y" shape and converges respectively with the median vein of honour, if unexpected elbow joint fracture or need carry out the operation etc. to the elbow joint in time, in order to avoid unexpected bone to puncture the inside blood vessel of skin or tear the inside in the time, lead to secondary destruction and injury, just need to fix big arm and forearm, thereby make the elbow joint not rotate, reduce the injury, compare traditional plaster technique, the gypsum is fixed big arm forearm vertically, can lead to the arm is perpendicular under long-time fixing, reduce patient's travelling comfort.

SUMMERY OF THE UTILITY MODEL

The main object of the present invention is to provide an external elbow joint fixator, which can effectively solve the problems of the prior art.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides an elbow joint external fixator, includes big arm support and forearm support, big arm support and forearm support are circular, and inside is the cavity, big arm support and forearm support upper surface all fixedly connected with first backup pad and second backup pad, both sides fixed surface is connected with second fixed plate and fourth fixed plate about big arm support, both sides fixed surface is connected with first fixed plate and third fixed plate about the forearm support, all fixedly connected with fixed columns on first fixed plate, second fixed plate, third fixed plate and the fourth fixed plate.

Preferably, the fixing columns on the surfaces of the first fixing plate and the second fixing plate on the left side and the right side are sleeved with second fixing frames, and the fixing columns on the surfaces of the third fixing plate and the fourth fixing plate on the left side and the right side are sleeved with first fixing frames.

Preferably, a first screw is arranged in the middle of a first support plate on the small arm support, the first screw penetrates through the upper end of the small arm support and the first support plate, and a first nut is fixedly connected to the upper surface of the first support plate.

Preferably, the middle part of the first nut is meshed with a first screw through threads, the upper end of the first screw is fixedly connected with a first nut, and the lower end of the first screw is fixedly connected with a support frame.

Preferably, a second screw is arranged in the middle of a second support plate on the large arm support, the second screw penetrates through the upper end of the large arm support and the second support plate, and a second nut is fixedly connected to the upper surface of the second support plate.

Preferably, the middle of the second nut is meshed with a second screw through threads, the upper end of the second screw is fixedly connected with a second nut, and the lower end of the second screw is fixedly connected with a support frame.

Compared with the prior art, the utility model discloses following beneficial effect has:

(1) the first fixing frame and the second fixing frame are arranged, so that the big arm support and the small arm support are supported and connected while the big arm support and the small arm support are used for fixing the arms.

(2) The big arm is passed through big arm support, later through twisting the second nut, can drive the second screw and rotate, pass through threaded engagement with the second nut through the second screw and be connected, make the second screw move down, because second screw lower extreme is connected with the support frame, thereby realize the support frame and push down, fix big arm, then pass the forearm support, later through twisting first nut, can drive first screw and rotate, pass through threaded engagement with first nut through first screw and be connected, make first screw move down, because first screw lower extreme is connected with the support frame, thereby realize the support frame and push down, fix the forearm, the work efficiency of this fixer has been improved, can all be used for fixing to different arms, the suitability of this fixer has been improved.

Drawings

Fig. 1 is a schematic view of an overall structure of an external elbow joint fixator according to the present invention;

FIG. 2 is a front view of the forearm support of the external elbow joint fixator of the present invention;

fig. 3 is a schematic structural view of a second fixing frame of the external elbow joint fixator of the present invention;

fig. 4 is an enlarged schematic structural view of an elbow joint external fixator of the present invention at a position a in fig. 1.

In the figure: 1. a large arm support; 2. a forearm support; 3. a first support plate; 4. a first fixing plate; 5. a second fixing plate; 6. a third fixing plate; 7. a fourth fixing plate; 8. a first fixing frame; 9. a second fixing frame; 10. a first nut; 11. a first nut; 12. a first screw; 13. a support frame; 14. fixing a column; 15. a second support plate; 16. a second nut; 17. a second nut; 18. a second screw.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely below with reference to 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.

As shown in fig. 1-4, an external fixator for elbow joint comprises a big arm support 1 and a small arm support 2, wherein the big arm support 1 and the small arm support 2 are circular and have a cavity inside, a first support plate 3 and a second support plate 15 are fixedly connected to the upper surfaces of the big arm support 1 and the small arm support 2, a second fixing plate 5 and a fourth fixing plate 7 are fixedly connected to the left and right surfaces of the big arm support 1, a first fixing plate 4 and a third fixing plate 6 are fixedly connected to the left and right surfaces of the small arm support 2, and fixing columns 14 are fixedly connected to the first fixing plate 4, the second fixing plate 5, the third fixing plate 6 and the fourth fixing plate 7.

Through the technical scheme, the small arm and the large arm of the arm can be fixed by arranging the large arm support 1 and the small arm support 2, so that bones inside the large arm and the small arm grow vertically, and the small arm is used for fixing the arm during fracture, so that the arm can be bent and painful due to fracture and the like.

In this embodiment, the second fixing frames 9 are sleeved on the fixing columns 14 on the surfaces of the first fixing plate 4 and the second fixing plate 5 on the left side and the right side, the first fixing frames 8 are sleeved on the fixing columns 14 on the surfaces of the third fixing plate 6 and the fourth fixing plate 7 on the left side and the right side, and the first fixing frames 8 and the second fixing frames 9 are arranged, so that the arm supports 1 and the forearm supports 2 are in a supporting connection relationship while the arms are fixed by the large arm supports 1 and the small arm supports 2.

In this embodiment, first screw 12 is provided with in the middle part of first backup pad 3 on forearm support 2, first screw 12 runs through in forearm support 2 upper end and first backup pad 3, fixed surface is connected with first nut 11 on first backup pad 3, first nut 11 middle part is connected with first screw 12 meshing through the screw thread, first screw 12 upper end fixedly connected with first nut 10, first screw 12 lower extreme fixedly connected with support frame 13, pass forearm support 2, subsequently through twisting first nut 10, can drive first screw 12 and rotate, pass through threaded engagement with first nut 11 through first screw 12 and be connected, make first screw 12 remove downwards, because first screw 12 lower extreme is connected with support frame 13, thereby realize support frame 13 and push down, fix the forearm.

In this embodiment, a second screw 18 is disposed in the middle of a second support plate 15 on the large arm support 1, the second screw 18 penetrates through the upper end of the large arm support 1 and the second support plate 15, a second nut 16 is fixedly connected to the upper surface of the second support plate 15, the middle of the second nut 16 is meshed with the second screw 18 through threads, a second nut 17 is fixedly connected to the upper end of the second screw 18, a support frame 13 is fixedly connected to the lower end of the second screw 18, the large arm passes through the large arm support 1, and then the second nut 17 is twisted to drive the second screw 18 to rotate, and the second screw 18 is meshed with the second nut 16 through threads, so that the second screw 18 moves downward, and the support frame 13 is connected to the lower end of the second screw 18, thereby pressing down the support frame 13 and fixing the large arm.

The working principle of the elbow joint external fixator is as follows:

when in use, the small arm and the large arm of the arm can be fixed through the large arm support 1 and the small arm support 2, so that bones inside the large arm and the small arm grow vertically, the arm can be bent and painful due to fracture and the like when the arm is fixed by the large arm support 1, then the large arm passes through the large arm support 1, then the second screw 18 can be driven to rotate by twisting the second screw cap 17, the second screw 18 is connected with the second nut 16 through threaded engagement, so that the second screw 18 moves downwards, the support frame 13 is pressed downwards to fix the large arm due to the lower end of the second screw 18, then the small arm passes through the small arm support 2, then the first screw 12 can be driven to rotate by twisting the first screw cap 10, and the first screw 12 is connected with the first nut 11 through threaded engagement, so that the first screw 12 moves downwards, because the lower end of the first screw 12 is connected with the support frame 13, the support frame 13 is pressed down to fix the forearm, and the first fixing frame 8 and the second fixing frame 9 are arranged, so that the large arm support 1 and the small arm support 2 can be supported and connected while the arms are fixed by the large arm support 1 and the small arm support 2. The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. An external fixator for elbow joints comprises a large arm support (1) and a small arm support (2), and is characterized in that: big arm support (1) and forearm support (2) are circular, and inside is the cavity, big arm support (1) and forearm support (2) upper surface all fixedly connected with first backup pad (3) and second backup pad (15), both sides fixed surface is connected with second fixed plate (5) and fourth fixed plate (7) about big arm support (1), forearm support (2) left and right sides fixed surface is connected with first fixed plate (4) and third fixed plate (6), all fixedly connected with fixed column (14) on first fixed plate (4), second fixed plate (5), third fixed plate (6) and fourth fixed plate (7).

2. The external fixator of claim 1, wherein: the left side and the right side of the fixing columns (14) on the surfaces of the first fixing plate (4) and the second fixing plate (5) are sleeved with second fixing frames (9), and the left side and the right side of the fixing columns (14) on the surfaces of the third fixing plate (6) and the fourth fixing plate (7) are sleeved with first fixing frames (8).

3. The external fixator of claim 1, wherein: first backup pad (3) middle part on forearm support (2) is provided with first screw (12), first screw (12) run through in forearm support (2) upper end and first backup pad (3), fixed surface is connected with first nut (11) on first backup pad (3).

4. The external fixator of claim 3, wherein: first nut (11) middle part is connected through screw and first screw (12) meshing, first screw (12) upper end fixedly connected with first nut (10), first screw (12) lower extreme fixedly connected with support frame (13).

5. The external fixator of claim 1, wherein: second screw (18) are arranged in the middle of a second supporting plate (15) on the large arm support (1), the second screw (18) penetrates through the upper end of the large arm support (1) and the second supporting plate (15), and a second nut (16) is fixedly connected to the upper surface of the second supporting plate (15).

6. The external fixator of claim 5, wherein: the middle part of the second nut (16) is meshed with a second screw (18) through threads, the upper end of the second screw (18) is fixedly connected with a second nut (17), and the lower end of the second screw (18) is fixedly connected with a support frame (13).