CN213941088U

CN213941088U - Rotatable wrist joint movable brace

Info

Publication number: CN213941088U
Application number: CN202021775143.7U
Authority: CN
Inventors: 赵喆; 李文翠; 刘建全; 李永胜; 陈小强; 王光辉; 尹建文; 李嘉贝; 程翔宇; 邓志钦
Original assignee: Shenzhen Second Peoples Hospital
Current assignee: Shenzhen Second Peoples Hospital
Priority date: 2020-08-21
Filing date: 2020-08-21
Publication date: 2021-08-13
Anticipated expiration: 2030-08-21

Abstract

The utility model provides a rotatable wrist joint movable support, comprising a palm module, an arm module, and a universal link that can rotate the wrist joint, the palm module is connected to the arm module through the universal link Rotational connection; the palm is placed in the palm module, and the arm is placed in the arm module. Since the universal link is used between the palm module and the arm module, the wrist joint can be rotated, avoiding the occurrence of problems such as stiffness of the wrist joint.

Description

Rotatable wrist joint movable brace

Technical Field

The utility model relates to the technical field of medical equipment, especially, relate to a rotatable wrist joint activity brace.

Background

Traditional wrist joint brace has strictly restricted the activity of each direction of wrist joint, is unfavorable for early wrist joint's activity to be taken exercise, and not only the person of wearing causes inconvenience, but also can lead to joints such as wrist joint, elbow joint rigidity for joint synovial fluid stops circulation metabolism, makes complications such as joint rigidity appear.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a rotatable wrist joint activity brace, it can overcome the above-mentioned because the fixed wrist joint that leads to of wrist joint is stiff scheduling problem.

To achieve the above object, the solution of the present invention is:

a rotatable wrist joint movable brace comprises a palm module, an arm module and a universal link capable of enabling a wrist joint to rotate, wherein the palm module is rotatably connected with the arm module through the universal link;

the universal link comprises a first connecting block fixed on the palm module, a second connecting block fixed on the arm module and a trapezoidal cavity, and the first connecting block and the second connecting block are inserted into the trapezoidal cavity.

Further, the trapezoidal cavity comprises a cavity shell with a through hole, a first round hole clamping block, a trapezoidal block, a second round hole clamping block and a screw rod embedded in the trapezoidal cavity; the first round hole clamping block, the trapezoidal block and the second round hole clamping block are all arranged in the cavity shell, and the screw rod vertically penetrates through the cavity shell downwards; the trapezoidal block is arranged on the screw rod, the screw rod controls the trapezoidal block to slide along the screw rod, and the trapezoidal block is arranged between the first round hole clamping block and the second round hole clamping block and matched with the first round hole clamping block and the second round hole clamping block.

Further, first round hole clamp splice and second round hole clamp splice are equipped with the round hole recess, the round hole recess with first connecting block with the second connecting block butt.

Furthermore, the first connecting block, the second connecting block and the connecting end of the trapezoidal cavity are spherical ends, the spherical ends are abutted to the circular hole grooves, and the spherical ends can rotate in the circular hole grooves.

After the technical scheme is adopted, when the palm module is used, the palm of a patient is placed in the palm module, the arm is placed at the arm module, and the palm module and the arm module are connected together through the universal link; the wrist joint can rotate through the universal link, joint synovial fluid circulation metabolism of the wrist joint is promoted, and the problems of wrist joint stiffness and the like are solved.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a perspective view of a rotatable wrist joint movable brace according to an embodiment of the present invention;

FIG. 2 is a front view of a universal link assembly in a rotatable wrist joint flexible brace according to an embodiment of the present invention;

fig. 3 is a partial cross-sectional view of a universal link in a rotatable wrist joint mobility brace according to an embodiment of the present invention.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

The utility model provides a rotatable wrist joint activity brace, includes palm module 1 and arm module 2, and palm module 1 is one side open-ended oblate lasso, and palm module 1 is put into to palm accessible opening, and the forearm play of arm module 2 is equipped with the hasp, pastes fixed layering on the hasp, goes out at the upper arm of arm module 2 and is equipped with the fixed band, and this fixed band can take off to fix it in forearm department, the elbow joint's of being convenient for activity.

The rotary wrist joint movable brace further comprises a universal link 3, the palm module 1 and the arm module 2 are connected together by the universal link 3, and the rotary wrist joint movable brace rotates through the universal link 3; thus, after the structure is adopted and the universal link 3 is adopted, the wrist joint can rotate freely in the recovery period, and the wrist joint is prevented from being stiff.

Specifically, universal chain link 3 includes first connecting block 31 and the second connecting block 32 of fixing through the screw at palm module 1 and arm module 2, is fixed in palm module 1 and arm module 2's lateral wall department respectively, still includes trapezoidal cavity 33, and first connecting block 31 and second connecting block 32 peg graft in trapezoidal cavity 33, form and supply wrist joint pivoted universal wheel, through this universal wheel, wrist joint can rotate in a flexible way, can not cause wrist joint's stiff problem.

Specifically, the trapezoidal cavity 33 comprises a cavity shell 331 which is transversely penetrated, a first round hole clamping block 332, a trapezoidal block 333, a second round hole clamping block 334 and a screw 335 embedded in the trapezoidal cavity 33; the cavity shell 331 penetrates through the front and the back, and the left end and the right end are provided with circular holes for inserting the first connecting block 31 and the second connecting block 32.

The first round hole clamping block 332 and the second round hole clamping block 334 are matched with the trapezoidal block 333, and the three are embedded in the cavity shell 331, the first round hole clamping block 332 and the second round hole clamping block 334 are provided with round hole grooves 3321, and the round hole grooves 3321 of the first round hole clamping block 332 and the second round hole clamping block 334 are matched with the round holes, so that the first connecting block 31 and the second connecting block 32 are inserted into the round hole grooves 3321, and the universal wheel is formed to facilitate rotation of the wrist joint.

The trapezoidal cavity 33 further comprises a screw 335 inserted into the cavity shell 331, the trapezoidal block 333 is arranged on the screw 335, a hexagonal nut is arranged at the top end of the screw 335 and used for adjusting the position of the trapezoidal block 333 on the screw 335, and when the trapezoidal block 333 moves upwards, the first round hole clamping block 332 and the second round hole clamping block 334 are extruded towards the two ends, so that the first connecting block 31 and the second connecting block 32 are fixed in the round hole groove 3321, the universal wheel stops acting, and the wrist joint cannot rotate;

when the wrist joint moves downwards, the extrusion force applied to the first round hole clamping block 332 and the second round hole clamping block 334 is reduced, the first connecting block 31 and the second connecting block 32 freely move in the round hole groove 3321, and the wrist joint can freely move;

the first and

second connection blocks

31 and 32 have a ball-shaped end 311, the diameter of the ball-shaped end 311 is greater than that of the circular hole of the cavity case 331, preventing the first and second connection blocks 31 and 32 from being separated, and the ball-shaped end 311 is inserted in the circular hole groove 3321 so that the first and second connection blocks 31 and 32 can slide in the circular hole groove 3321.

The use process comprises the following steps:

the palm is placed in the palm module 1, the arm is placed in the arm module 2, the palm module 1 and the arm module 2 are connected together through the universal link 3, and the wrist joint can rotate through the universal link 3 to prevent the wrist joint from being stiff; the universal link 3 comprises a cavity shell 331, a first round hole clamping block 332, a trapezoidal block 333, a second round hole clamping block 334 and a screw rod 335, wherein the first round hole clamping block 332, the trapezoidal block 333 and the second round hole clamping block 334 are embedded in the cavity shell 331, the trapezoidal block 333 is arranged on the screw rod 335, the upper position and the lower position of the trapezoidal block 333 on the screw rod 335 are controlled through controlling the screw rod 335, so that the gap between the trapezoidal block 333 and the first round hole clamping block 332 and the second round hole clamping block 334 is controlled, when the trapezoidal block 333 moves upwards, the gap between the trapezoidal block 333 and the first round hole clamping block 332 and the second round hole clamping block 334 is gradually reduced, meanwhile, the gap between the first connecting block 31 and the second connecting block 32 and the first round hole clamping block 332 and the second round hole clamping block 334 is also gradually reduced, and the first connecting block 31 and the second connecting block 32 are gradually fixed and cannot rotate randomly;

when the trapezoid block 333 moves downward, the gap between the first connecting block 31 and the second connecting block 32 and the gap between the first circular hole clamping block 332 and the second circular hole clamping block 334 gradually increases, the first connecting block 31 and the second connecting block 32 move freely, the wrist joint can move freely, and the wrist joint is prevented from being stiff.

The above description is only exemplary of the present invention and should not be construed as limiting the present invention, and any modification, equivalent replacement or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A rotatable wrist joint movable support is characterized in that, comprising a palm module (1), an arm module (2) and a universal link (3) that can rotate the wrist joint, the palm module (1) The arm module (2) is rotatably connected through the universal link (3);

The universal link (3) comprises a first connecting block (31) fixed on the palm module (1) and a second connecting block (32) fixed on the arm module (2), and further comprises a trapezoidal cavity The first connecting block (31) and the second connecting block (32) are inserted into the trapezoidal cavity (33).

2. A rotatable wrist joint movable support according to claim 1, wherein the trapezoidal cavity (33) comprises a cavity shell (331) having a through hole, a first round hole clamping block ( 332), a trapezoidal block (333), a second circular hole clamping block (334), and a screw (335) embedded in the trapezoidal cavity (33); the first circular hole clamping block (332), the trapezoidal The block (333) and the second round hole clamping block (334) are both arranged in the cavity shell (331), and the screw rod (335) penetrates the cavity shell (331) vertically downward; the trapezoidal block (333) is arranged on the screw (335), the screw (335) controls the trapezoidal block (333) to slide along the screw (335), and the trapezoidal block (333) is arranged with the first The round hole clamping block (332) and the second round hole clamping block (334) are matched with the first round hole clamping block (332) and the second round hole clamping block (334).

3. A rotatable wrist joint movable support according to claim 2, wherein the first round hole clamping block (332) and the second round hole clamping block (334) are provided with circular hole grooves (3321), the circular hole groove (3321) is in abutment with the first connecting block (31) and the second connecting block (32).

4. A rotatable wrist joint movable brace according to claim 3, wherein the first connecting block (31) and the second connecting block (32) are connected to the trapezoidal cavity (33) ) connecting end is a spherical end (311), the spherical end (311) abuts in the circular hole groove (3321), and the spherical end (311) can be in the circular hole groove (3321) turn.