CN217015244U

CN217015244U - Wrist rehabilitation device

Info

Publication number: CN217015244U
Application number: CN202123105661.5U
Authority: CN
Inventors: 孟航
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-12-06
Filing date: 2021-12-06
Publication date: 2022-07-22
Anticipated expiration: 2031-12-06

Abstract

The utility model relates to the technical field of medical rehabilitation training instruments, in particular to a wrist rehabilitation device which comprises a rehabilitation machine and an arm placing table which are arranged in parallel, wherein the rehabilitation machine comprises a base, a rotary table, a connecting rod and a first handle, the rotary table is rotatably connected with the base, a plurality of return springs are arranged at intervals in the circumferential direction of the rotary table, two ends of each return spring are respectively connected with the base and the rotary table, the connecting rod is connected with the rotary table, the first handle is vertically connected with the connecting rod, a driven gear is further arranged on one side of the rotary table and is fixedly connected with the rotary table to rotate synchronously, a driving gear meshed with the driven gear is further rotatably connected on the base, and the axis of the driving gear is fixedly connected with a second handle. The wrist rehabilitation device simultaneously supports the activities of wrist left-right rotation and wrist up-down rotation, and the damping force of the device is softer, so that the device is convenient to adjust, and is convenient for different patients or the same patient in different rehabilitation stages to perform adaptive adjustment and use, and the device is simple in structure and convenient to use.

Description

Wrist rehabilitation device

Technical Field

The utility model relates to the technical field of medical rehabilitation training instruments, in particular to a wrist rehabilitation device.

Background

In recent years, the number of hemiplegia patients in middle-aged and old people due to cerebrovascular diseases or nervous system diseases is increasing, and the hemiplegia patients are in a trend of being young in age; meanwhile, the number of people with nerve injury or limb injury caused by some accidents is more and more, especially the loss of the wrist movement function greatly influences the daily life capacity of patients, and the rehabilitation training is an important and key medical means for the patients with hemiplegia and limb injury. At present, the wrist rehabilitation training device has a plurality of shortcomings and shortcomings when being used for treating and rehabilitation training of patients with wrist motor dysfunction, and the shortcomings are as follows: single or few joints supporting motion, especially without integrating wrist side-to-side rotation (i.e., wrist pronation and supination) into the device; the damping force of the device is not soft enough, and cannot be adjusted or is inconvenient to adjust, so that the device is inconvenient for different patients or the same patient in different rehabilitation stages to be adaptively adjusted and used; the device structure is too complicated and inconvenient to use.

SUMMERY OF THE UTILITY MODEL

In order to solve the above problems, the present invention provides a wrist rehabilitation device, which supports the activities of wrist rotation in the left-right direction and wrist rotation in the up-down direction, has soft damping force, is easy to adjust, and is convenient for different patients or the same patient in different rehabilitation stages to perform adaptability adjustment, and has simple structure and convenient use.

The task of the utility model is realized by the following technical scheme:

a wrist rehabilitation device comprises a rehabilitation machine and an arm placing table which are arranged in parallel, the rehabilitation machine comprises a machine base, a rotary table, a connecting rod and a first handle, the rotary table is rotatably connected with the machine base through a rotating shaft penetrating through the axis of the rotary table, and a plurality of reset springs are arranged at intervals in the circumferential direction of the rotary table, one end of each reset spring is detachably connected with the machine base, the other end of each reset spring is detachably connected with the rotary table, thereby the turntable is elastically connected with the base, one end of the connecting rod is fixedly connected with the turntable, the other end extends upwards in an inclined way, one end of the first handle is vertically connected with the connecting rod, the other end extends horizontally towards one side of the arm placing table, one side of the turntable is also provided with a driven gear which is fixedly connected with the turntable to rotate synchronously, the engine base is further rotatably connected with a driving gear meshed with the driven gear, and the axis of the driving gear is fixedly connected with a second handle.

Preferably, be equipped with the holding chamber on the frame, the holding intracavity is arranged in to the carousel, and the inboard in holding chamber and the outside of carousel are equipped with the protruding a plurality of first joint and the second joint that are equipped with the one-to-one respectively, are equipped with respectively on first joint and the second joint and are used for supplying one reset spring's both ends couple and carry out the structure that articulates, and every reset spring's both ends couple articulates a set of corresponding first joint and second joint respectively.

Preferably, the diameter of the driving gear is smaller than the diameter of the driven gear.

Preferably, the connecting rod is provided with a strip-shaped mounting hole along the axial direction, the side wall of the mounting hole is provided with a plurality of fastening holes distributed at intervals, and one end of the first handle vertically penetrates through the mounting hole and is fixedly connected to the connecting rod through a fastening screw matched with the fastening holes.

Preferably, the upper surface of the arm placing table is an inclined surface inclined upward from back to front, and the first handle is located in front of and higher than the arm placing table.

Compared with the prior art, the utility model has the beneficial effects that: the wrist is supported to rotate left and right and the wrist rotates up and down, the damping force of the device is softer, and adjustment is convenient, so that the device is convenient for different patients or the same patient in different rehabilitation stages to be adjusted adaptively and used, and the device is simple in structure and convenient to use.

Drawings

Fig. 1 is a schematic structural diagram of a wrist rehabilitation device in an embodiment.

The rehabilitation machine 1, the base 11, the first joint 112, the rotary table 12, the second joint 121, the connecting rod 13, the mounting hole 131, the fastening hole 132, the first handle 14, the return spring 15, the driven gear 16, the driving gear 17, the second handle 18 and the arm placing table 2.

Detailed Description

The present invention will now be described in further detail with reference to the accompanying drawings. These drawings are simplified schematic diagrams each illustrating the basic structure of the present invention only in a schematic manner, and thus show only the constitution related to the present invention.

In the description of the present application, it is to be understood that the terms "front", "back", and the like refer to orientations or positional relationships based on orientations or positional relationships shown in the drawings, which are merely for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, should not be construed as limiting the present invention.

In the description of the present application, it is to be noted that, unless otherwise explicitly specified or limited, the term "connected" is to be interpreted broadly, e.g. as a fixed connection, a detachable connection, or an integral connection; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in this application will be understood to be a specific case for those of ordinary skill in the art.

As shown in figure 1, a wrist rehabilitation device comprises a rehabilitation machine 1 and an arm placing table 2 which are arranged in parallel, wherein the rehabilitation machine 1 comprises a base 11, a rotary table 12, a connecting rod 13 and a first handle 14, the rotary table 12 is rotatably connected with the base 11 through a rotating shaft penetrating through the axis of the rotary table 12, a plurality of return springs 15 are arranged at intervals in the circumferential direction of the rotary table 12, one end of each return spring 15 is detachably connected with the base 11, the other end of each return spring is detachably connected with the rotary table 12, so that the rotary table 12 is elastically connected with the base 11, one end of the connecting rod 13 is fixedly connected with the rotary table 12, the other end of the connecting rod 13 extends obliquely upwards, one end of the first handle 14 is vertically connected with the connecting rod 13, the other end of the first handle transversely and horizontally extends towards one side of the arm placing table 2, one side of the rotary table 12 is also provided with a driven gear 16, the driven gear 16 is fixedly connected with the rotary table 12 to rotate synchronously, a driving gear 17 meshed with the driven gear 16 is further rotatably connected on the base 11, the axle center of the driving gear 17 is fixedly connected with a second handle 18.

A user places the arm of a patient on the arm placing table 2, holds the first handle 14 by hand, rotates the wrist up and down, and drives the rotary table 12 to rotate relative to the base 11 by overcoming the elastic damping force of the plurality of return springs 15, so that the rehabilitation training of rotating the wrist up and down can be performed; the patient holds the second handle 18 by hand, rotates the wrist left and right, drives the turntable 12 to overcome the elastic damping force of the plurality of reset springs 15 to rotate relative to the base 11, and accordingly rehabilitation training of the wrist rotated left and right can be performed; the both ends of a plurality of reset springs 15 can be dismantled with carousel 12, frame 11 respectively and be connected, and the quantity of reset spring 15 installation can be selected to the recovered condition of self to the same patient in different recovered stages to adjust carousel 12 pivoted elastic damping power, thereby be convenient for carry out adaptability and adjust the use, it is convenient to adjust, simple structure, convenient to use.

As a preferred embodiment, an accommodating cavity is provided on the base 11, the rotary table 12 is disposed in the accommodating cavity, a plurality of first joints 112 and second joints 121 that are one-to-one corresponding to each other are respectively and convexly provided on an inner side of the accommodating cavity and an outer side of the rotary table 12, a hanging structure (such as a hanging hole or a hanging rod) for hanging a hook at two ends of one return spring 15 is respectively provided on the first joint 112 and the second joint 121, and a group of corresponding first joint 112 and second joint 121 are respectively hung on a hook at two ends of each return spring 15.

In a preferred embodiment, the diameter of the driving gear 17 is smaller than that of the driven gear 16, so that the force required for the wrist to rotate in the left-right direction can be increased without increasing the overall size of the rehabilitation device 1, thereby increasing the rehabilitation effect of the wrist to rotate in the left-right direction.

As a preferred embodiment, the connecting rod 13 is provided with a long strip-shaped mounting hole 131 along the axial direction, the side wall of the mounting hole 131 is provided with a plurality of fastening holes 132 distributed at intervals, one end of the first handle 14 vertically penetrates through the mounting hole 131 and is fixedly connected to the connecting rod 13 through a fastening screw matched with the fastening hole 132, the mounting position of the first handle 14 can be conveniently adjusted through the arrangement, and further, the length of the force arm of the first handle 14 relative to the axis of the rotating disc 12 is adjusted, so as to adjust the force required by the rotation of the wrist driving rotating disc 12, and further, the patient can conveniently perform adaptive adjustment.

As a preferred embodiment, the upper surface of the arm rest 2 is an inclined surface inclined upward from back to front, the first handle 14 is positioned in front of the arm rest 2 and higher than the arm rest 2, and this arrangement facilitates the lower arm of the patient to be placed on the arm rest 2 in a flat manner, which facilitates the comfort of the patient.

The foregoing description is only exemplary of the preferred embodiments of the application and is illustrative of the principles of the technology employed. It will be understood by those skilled in the art that the scope of the present invention is not limited to the specific combination of the above-mentioned features, but also covers other embodiments formed by any combination of the above-mentioned features or their equivalents without departing from the spirit of the present invention. For example, the above features may be replaced with (but not limited to) features having similar functions disclosed in the present application.

Claims

1. A wrist rehabilitation device is characterized by comprising a rehabilitation machine and an arm placing table which are arranged in parallel, wherein the rehabilitation machine comprises a machine base, a rotary table, a connecting rod and a first handle, the rotary table is rotatably connected with the machine base through a rotating shaft penetrating through the axis of the rotary table, and a plurality of reset springs are arranged at intervals in the circumferential direction of the rotary table, one end of each reset spring is detachably connected with the machine base, the other end of each reset spring is detachably connected with the rotary table, thereby the turntable is elastically connected with the base, one end of the connecting rod is fixedly connected with the turntable, the other end extends upwards in an inclined way, one end of the first handle is vertically connected with the connecting rod, the other end extends horizontally towards one side of the arm placing table, one side of the turntable is also provided with a driven gear which is fixedly connected with the turntable to synchronously rotate, the engine base is further rotatably connected with a driving gear meshed with the driven gear, and the axis of the driving gear is fixedly connected with a second handle.

2. The wrist rehabilitation device according to claim 1, wherein the base has a receiving cavity, the rotary plate is disposed in the receiving cavity, a plurality of first joints and second joints are protruded from an inner side of the receiving cavity and an outer side of the rotary plate, the first joints and the second joints are respectively provided with a plurality of hooking structures for hooking the hooks at two ends of one of the return springs, and the hooks at two ends of each return spring are respectively hooked with a set of corresponding first joints and second joints.

3. The wrist rehabilitation device according to claim 1, wherein the drive gear has a diameter smaller than a diameter of the driven gear.

4. The wrist rehabilitation device according to claim 1, wherein the connecting rod is provided with an elongated mounting hole along an axial direction, the side wall of the mounting hole is provided with a plurality of fastening holes distributed at intervals, and one end of the first handle vertically penetrates through the mounting hole and is fixedly connected to the connecting rod through a fastening screw matched with the fastening holes.

5. The wrist rehabilitation apparatus according to claim 1, wherein the upper surface of the arm rest is a slope inclined upward from rear to front, and the first handle is located in front of and higher than the arm rest.