CN115957100A

CN115957100A - Limb rehabilitation training device

Info

Publication number: CN115957100A
Application number: CN202211697251.0A
Authority: CN
Inventors: 赵保方; 张宏; 严隽陶; 冯玲
Original assignee: Yueyang Hospital of Integrated Traditional Chinese and Western Medicine Shanghai University of TCM
Current assignee: Yueyang Hospital of Integrated Traditional Chinese and Western Medicine Shanghai University of TCM
Priority date: 2022-12-28
Filing date: 2022-12-28
Publication date: 2023-04-14

Abstract

The invention relates to a limb rehabilitation training device, which comprises an eversion and eversion chamber (I) for controlling the eversion and eversion movement of an ankle and a telescopic chamber (II) for controlling the flexion and extension movement of the ankle; the internal and external overturning chamber (I) and the telescopic chamber (II) are connected with a part to be recovered through a piston assembly; sealing small balls (14) for adjusting air pressure are arranged in the inward and outward turning chamber (I) and the telescopic chamber (II), and the sealing small balls (14) are connected with a driving assembly (5) for controlling the sealing small balls (14) to move; and a sealing valve assembly for controlling the closing and opening of the cavity is arranged between the inward and outward turning cavity (I) and the telescopic cavity (II). Compared with the prior art, the invention has the advantages of capability of realizing free switching of the inward-outward turning and stretching rehabilitation modes, easiness in wearing, high comfort and the like.

Description

Limb rehabilitation training device

Technical Field

The invention relates to the field of medical instruments, in particular to a limb rehabilitation training device.

Background

Rehabilitation refers to the practice of limb movement after injury that is beneficial to recovery or improvement of function. The rehabilitation training plan follows the principle of comprehensive, progressive and appropriate exercise intensity. In the process of injury recovery, the exercise amplitude, frequency, duration, load capacity and the like of the rehabilitation training are gradually increased. Otherwise, new lesions may be created or the time to healing of the lesions may be affected, even resulting in old lesions that do not heal over time. Rehabilitation training should be performed with targeted exercises and be combined with the overall movement of the limbs. In the early stage of injury, local swelling, congestion, pain, dysfunction and the like are mainly caused by distal limb movement, and appropriate local movement is performed on the premise of not aggravating local swelling and pain. Over time, the lesion gradually improves or tends to heal, and the amount and duration of local activity may gradually increase.

At present, rehabilitation evaluation and diagnosis are mainly needed by a patient rehabilitation doctor who mainly needs experience in rehabilitation therapy for the patient, the rehabilitation therapist carries out treatment, training, analysis and guidance rehabilitation, the rehabilitation therapist needs to face a plurality of patients every day, the rehabilitation doctor and the rehabilitation therapist are boring to do, labor and labor are guided to the plurality of patients, one-to-one rehabilitation therapy cannot be completed, the number of patients is large, and the number of doctors is small. The problems of difficult rehabilitation training and high cost of manual manipulations are caused, and in the rehabilitation training, besides the drug therapy, instruments for patients who are inconvenient in medical treatment and training and walking also become necessary articles for physical therapy. The prior art lacks a device that can both correct the ankle and also perform the training directed by the ankle exercise training. Most of the equipment which can meet the requirements is imported from foreign countries, has high cost and is not easy to maintain, and although the equipment is complex and the production cost is high in recent years in China, the equipment is not suitable for popularization and use.

Disclosure of Invention

The invention aims to overcome the defects of the prior art and provide the limb rehabilitation training device which can realize the free switching of the rehabilitation modes of varus and valgus and stretch, is easy to wear and has high comfort.

The purpose of the invention can be realized by the following technical scheme:

a limb rehabilitation training device comprises an inside and outside overturning chamber used for controlling the inside and outside overturning movement of an ankle and a telescopic chamber used for controlling the flexion and extension movement of the ankle; the internal and external overturning chamber and the telescopic chamber are connected with the part to be recovered through a piston assembly;

sealing balls for adjusting air pressure are arranged in the inward and outward turning chamber and the telescopic chamber and are connected with a driving assembly for controlling the movement of the sealing balls;

and a sealing valve assembly for controlling the closing and opening of the cavity is arranged between the inward-outward turning cavity and the telescopic cavity.

Furthermore, the driving assembly comprises a driving gear and a driven gear meshed with the driving gear, and the driving gear is connected with an external power supply through a lead;

the edge of the driving gear is connected with a small sealing ball in the telescopic cavity through a connecting rod; the edge of the driven gear is connected with the sealing small ball in the inner and outer turning chambers through the transmission assembly.

Furthermore, the transmission assembly comprises a rope, a swinging rocker and a connecting rod which are sequentially connected, the rope is connected with the edge of the driven gear, and the connecting rod is connected with the sealing small ball.

Furthermore, a chain transfer mechanism for transferring a rope is fixedly arranged outside the telescopic cavity, and a bicycle chain can be referred to; the middle part of the rocker is rotationally connected with a fixed support which is fixedly arranged outside the internal and external turning cavity.

Further, the sealing valve assembly comprises a sealing block for separating the inward-outward-turning chamber and the telescopic chamber, and a knob switch for switching the closing and the opening of the inward-outward-turning chamber and the telescopic chamber. The end of the internal and external turning cavity far away from the sealing valve component is a non-sealing structure and is generally provided with a through hole.

Furthermore, an independent opening connected with the atmosphere is arranged on the knob switch.

Further, the piston assembly comprises a piston which is connected with the part to be recovered through a connecting element.

Further, a spring is arranged between the piston and the connecting element.

Further, the number of the inward-outward-turning chambers is 2, and the two inward-outward-turning chambers and the telescopic chamber form a Y-shaped structure.

Furthermore, the device is connected with the ankle through a binding belt, one end of the binding belt is wound on the inside and outside turning cavity, and the other end of the binding belt is bound with the ankle;

the device is abutted against the shank, and foam for improving the comfort in the rehabilitation process is arranged between the inward-outward turning chamber and the shank.

Compared with the prior art, the invention has the following advantages:

(1) The three sealing balls can be driven to do reciprocating motion through a single stroke, so that the free switching between the inward-outward-turning rehabilitation mode and the telescopic rehabilitation mode is realized, and the occupied space of the device is greatly reduced;

(2) The invention is light and simple, easy to operate and high in safety factor; the adopted parts have low cost, are common and are easy to maintain; the wearing and the taking off are very easy and are finished by binding belts;

(3) The spring is arranged at the connection rehabilitation part, so that vibration conduction in the gear transmission process can be avoided, and the comfort is improved.

Drawings

FIG. 1 is a plan view of the apparatus in the example;

FIG. 2 is a cross-sectional view taken along line A-1 of FIG. 1;

FIG. 3 is a perspective view of the device of the example;

FIG. 4 is a schematic view showing the operation of the device in the bending and stretching mode in the embodiment;

FIG. 5 is a schematic view showing the operation of the device in the inside-out mode in the embodiment;

the reference numbers in the figures indicate: the device comprises an inside-out turning chamber I, a telescopic chamber II, a binding belt 1, a rocker 2, a rope 3, a chain transfer mechanism 4, a driving component 5, a driving gear 51, a driven gear 52, a lead 6, foam 7, a sealing block 8, a knob switch 9, a through hole 10, a piston 11, a spring 12, a connecting element 13 and a sealing ball 14.

Detailed Description

The invention is described in detail below with reference to the figures and specific embodiments. The present embodiment is implemented on the premise of the technical solution of the present invention, and a detailed implementation manner and a specific operation process are given, but the protection scope of the present invention is not limited to the following embodiments.

Examples

A limb rehabilitation training device, as shown in figures 1-3, comprises a varus chamber I for controlling the valgus and varus movement of the ankle, and a telescopic chamber II for controlling the flexion and extension movement of the ankle; the internal and external turning chamber I and the telescopic chamber II are connected with the part to be recovered through a piston assembly; sealing small balls 14 for adjusting air pressure are arranged in the inward-outward turning chamber I and the telescopic chamber II, and the sealing small balls 14 are connected with a driving assembly 5 for controlling the movement of the sealing small balls 14; a sealing valve component for controlling the closing and opening of the chamber is arranged between the inward-outward turning chamber I and the telescopic chamber II.

The number of the inward and outward turning chambers I is 2, and the two inward and outward turning chambers I and the telescopic chamber II form a Y-shaped structure. The device is connected with the ankle through a binding belt 1, one end of the binding belt 1 is wound on the inner and outer turning cavity I, and the other end of the binding belt 1 is bound with the ankle; the device is abutted against the shank, and foam 7 for improving the comfort in the rehabilitation process is arranged between the inward-outward turning chamber I and the shank.

The driving assembly 5 comprises a driving gear 51 and a driven gear 52 meshed with the driving gear 51, wherein the driving gear 51 is connected with an external power supply through a lead 6; the edge of the driving gear 51 is connected with the sealing ball 14 in the telescopic chamber II through a connecting rod; the edge of the driven gear 52 is connected with the sealing ball 14 in the inward-outward turning chamber I through a transmission assembly.

The transmission assembly comprises a rope 3, a swinging rocker 2 and a connecting rod which are connected in sequence, wherein the rope 3 is connected with the edge of the driven gear 52, and the connecting rod is connected with the sealing small ball 14. A chain transfer mechanism 4 for transferring the rope 3 is fixedly arranged outside the telescopic chamber II, and can refer to a bicycle chain; the middle part of the rocker 2 is rotationally connected with a fixed support which is fixedly arranged outside the internal and external turning chamber I.

The sealing valve assembly comprises a sealing block 8 for separating the inward-outward turning chamber I and the telescopic chamber II and a knob switch 9 for switching the closing and the opening of the inward-outward turning chamber I and the telescopic chamber II. The end of the inward-outward turning chamber I far away from the sealing valve component is a non-sealing structure and is generally provided with a through hole 10. The knob switch 9 is provided with an independent opening connected with the atmosphere.

The piston assembly comprises a piston 11, which piston 11 is connected to the area to be rehabilitated by means of a connecting element 13. A spring 12 is provided between the piston 11 and the connecting element 13.

The working principle is as follows:

referring to fig. 1-3, the principle of the device is that a power supply drives a gear set of a driving assembly 5 to rotate, and then the gear set is connected with different sealing balls 14 in different manners, wherein one of the gear set is connected through a connecting rod, and the two of the gear set are connected through a rocker 2, when the power supply drives the gear set to rotate, the sealing balls 14 are driven to reciprocate, wherein a knob switch 9 is internally provided with an independent opening to be connected with the outside, so that when the knob switch rotates to a specific position, a corresponding rehabilitation working mode is started, which is shown in fig. 1-3 and demonstrated in fig. 4-5 with respect to different modes, by controlling the rotation of the driving assembly 5, the device with 3 sealing balls 14 in chambers can realize reciprocating motion, that is, a single motor can be used for controlling the motion of the sealing balls 14 in 3 chambers at the same time. The method comprises the following specific steps:

based on the principle, a knob switch 9 is arranged in the device, and as shown in fig. 1, by setting different directions of the knob switch 9, the isolation of the transverse sealing ball 14 and the vertical sealing ball 14 can be realized. When the knob switch 9 is in the state shown in fig. 4, i.e. the vertical state, the gas in the inward-outward turning chamber I is communicated with the air, the telescopic chamber II is closed, and the ankle position is driven to do flexion and extension movement; when the knob switch 9 is in the state shown in fig. 5, the air in the telescopic chamber II is communicated with the air, the inward-outward turning chamber I is closed, the ankle position is driven to turn inward and outward, and the connection between the chamber and the ankle can be referred to fig. 2.

The operation steps of the rehabilitation device are as follows:

1. binding the binding band 1 on the ankle, thereby fixing the rehabilitation device on the lower leg;

2. the knob switch 9 is rotated to select a rehabilitation working mode, and the rehabilitation device comprises two modes, namely an ankle inward and outward turning mode and an ankle flexion and extension movement mode;

3. the power supply is turned on, the lead 6 is connected, and the rehabilitation is started after the power supply is powered on.

4. The rehabilitation mode conversion can be directly completed by rotating the knob switch 9;

5. before the ankle eversion mode is started, the rocker 3 should be manually controlled to return to the original position before the position of the knob switch 9 is in place;

6. after the rehabilitation process is finished, the power supply is turned off, and the binding belt 1 is taken off.

The foregoing is directed to preferred embodiments of the present invention, other and further embodiments of the invention may be devised without departing from the basic scope thereof, and the scope thereof is determined by the claims that follow. However, any simple modification, equivalent change and modification of the above embodiments according to the technical essence of the present invention are within the protection scope of the technical solution of the present invention.

Claims

1. A limb rehabilitation training device is characterized by comprising an internal and external turning cavity (I) for controlling the internal and external turning movement of an ankle and a telescopic cavity (II) for controlling the flexion and extension movement of the ankle; the internal and external overturning chamber (I) and the telescopic chamber (II) are connected with a part to be recovered through a piston assembly;

sealing small balls (14) for adjusting air pressure are arranged in the inward-outward turning chamber (I) and the telescopic chamber (II), and the sealing small balls (14) are connected with a driving assembly (5) for controlling the movement of the sealing small balls (14);

and a sealing valve assembly for controlling the sealing and the opening of the cavity is arranged between the inward and outward turning cavity (I) and the telescopic cavity (II).

2. The limb rehabilitation training device of claim 1, wherein the driving assembly (5) comprises a driving gear (51) and a driven gear (52) engaged with the driving gear (51), and the driving gear (51) is connected with an external power supply through a lead (6);

the edge of the driving gear (51) is connected with a sealing small ball (14) in the telescopic chamber (II) through a connecting rod; the edge of the driven gear (52) is connected with the sealing ball (14) in the inward and outward turning chamber (I) through a transmission assembly.

3. The limb rehabilitation training device as claimed in claim 2, wherein the transmission assembly comprises a rope (3), a swinging rocker (2) and a connecting rod which are connected in sequence, the rope (3) is connected with the edge of the driven gear (52), and the connecting rod is connected with the sealing small ball (14).

4. The limb rehabilitation training device of claim 3, wherein a chain transfer mechanism (4) for transferring the rope (3) is fixedly arranged outside the telescopic chamber (II); the middle part of the rocker (2) is rotationally connected with a fixed support which is fixedly arranged outside the inward-outward turning chamber (I).

5. The limb rehabilitation training device of claim 1, wherein the sealing valve assembly comprises a sealing block (8) for separating the varus chamber (I) and the bellows chamber (II), and a knob switch (9) for switching the closing and opening of the varus chamber (I) and the bellows chamber (II).

6. A limb rehabilitation training device according to claim 5, characterized in that the knob switch (9) is provided with a separate opening connected to the atmosphere.

7. A limb rehabilitation training device according to claim 1, characterized in that the piston assembly comprises a piston (11), and the piston (11) is connected with the part to be rehabilitated through a connecting element (13).

8. A limb rehabilitation training device according to claim 7, characterized in that a spring (12) is arranged between the piston (11) and the connecting element (13).

9. A limb rehabilitation training device according to claim 1, characterized in that the number of said varus-valgus chamber (I) is 2, and the two varus-valgus chambers (I) and the telescopic chamber (II) form a Y-shaped structure.

10. A limb rehabilitation training device according to claim 9, characterized in that it is connected to the ankle by means of a ligature (1), the ligature (1) being wound on the varus/valgus cavity (I) at one end and being tied to the ankle at the other end;

the device is abutted against the lower leg, and foam (7) for improving the comfort in the rehabilitation process is arranged between the inward-outward turning chamber (I) and the lower leg.