CN112932900A

CN112932900A - Wrist joint rehabilitation arm support with anti-spasm function

Info

Publication number: CN112932900A
Application number: CN202110139942.8A
Authority: CN
Inventors: 王天
Original assignee: Hangzhou Chengtian Technology Development Co Ltd
Current assignee: Hangzhou Chengtian Technology Development Co Ltd
Priority date: 2021-02-02
Filing date: 2021-02-02
Publication date: 2021-06-11
Anticipated expiration: 2041-02-02
Also published as: CN112932900B

Abstract

The invention relates to a wrist joint rehabilitation arm support with an anti-spasm function, which belongs to the technical field of medical equipment and comprises an arm support sleeve, wherein the side wall of the arm support sleeve is provided with a fixing structure for fastening the arm support sleeve; the hand support is arranged at the front part of the arm support sleeve, and an elastic connecting structure connected with the arm support sleeve is arranged between the hand support and the arm support sleeve; the arm sleeve is arranged at the rear part of the arm support sleeve, and an elastic rubber sleeve connected with the arm support sleeve and the arm support sleeve is arranged between the arm support sleeve and the arm support sleeve; at least one elastic piece is arranged between each thumb support and the hand support, and an opening is formed in one side, facing the hand support, of each thumb support; a thumb rest; a wrist movement structure; a drive structure. The invention can make the fingers of the patient with flexor spasm move and stretch, and make the wrist joint of the patient bend at a proper angle, so as to accelerate the rehabilitation of the patient with flexor spasm, and the arm bending structure can increase the exercise amount of the patient and improve the rehabilitation efficiency of the patient.

Description

Wrist joint rehabilitation arm support with anti-spasm function

Technical Field

The invention relates to the technical field of medical equipment, in particular to a wrist joint rehabilitation arm support with an anti-spasm function.

Background

Motor neuron injuries of patients with hemiplegia, apoplexy or cerebral palsy and certain burn patients are generally expressed in typical upper limb flexor spasm and lower limb extensor spasm modes, the upper limb flexor spasm is usually expressed in finger and wrist joint flexion spasm, the finger flexion spasm can cause the distortion of the fingers of the patients due to long-term contracture, and finally an irreversible 'hooked hand' is formed, the patients fall down for the lifetime of disability, and the flexion spasm of the fingers and the wrist joint seriously affects the recovery of the upper limb movement function, so reasonable measures are required to be timely taken for the patients with the finger and wrist joint flexion spasm to carry out rehabilitation treatment, the recovery of the finger and wrist movement function of the patients is helped, and complications and secondary damages in the later period are prevented.

The patent with the application number of CN201921267719.6 discloses an antispasmodic wrist joint vibration rehabilitation hand support, which comprises a small arm supporting plate and a vibration hand support connected through a vibration isolation spring, wherein the small arm supporting plate is a long strip plate with a C-shaped cross section, at least two arm bandages are arranged on the small arm supporting plate, a plurality of vibration isolation springs extending along the length direction of the small arm supporting plate are fixed on the end surface of the inner end of the small arm supporting plate, the free end of each vibration isolation spring is correspondingly fixed on the handle part of the vibration hand support, a vibrator penetrating through the thickness of the vibration hand support is fixed on the vibration hand support, five finger bandages are arranged on the upper surface of the vibration hand support, the distribution of the finger bandages corresponds to the positions of fingers naturally opened by a human hand, a palm bandage is also arranged on the vibration hand support, the small arm and the fingers of a patient are respectively and correspondingly fixed on the small arm supporting plate and the vibration hand support and are tightly bound by the bandage, the bent and, and the vibration of the vibrator passively moves the wrist joint to help the patient recover the finger and wrist movement function

In the process of implementing the embodiment of the invention, the inventor finds that at least the following defects exist in the patent:

although the above patent can realize the movement of the wrist joint, the fingers of the patient cannot be stretched by movement, which affects the recovery of the upper limb movement function, and needs to be improved.

Disclosure of Invention

The invention aims to provide a wrist joint rehabilitation arm support with an anti-spasm function, and aims to solve the technical problem that the recovery of the upper limb movement function is influenced because the fingers of a patient cannot move and stretch in the prior art.

The technical scheme of the invention is as follows: the method comprises the following steps:

the side wall of the arm support sleeve is provided with a fixing structure for fastening the arm support sleeve;

the hand support is arranged at the front part of the arm support sleeve, and an elastic connecting structure connected with the arm support sleeve is arranged between the hand support and the arm support sleeve;

the arm sleeve is arranged at the rear part of the arm support sleeve, and an elastic rubber sleeve connected with the arm support sleeve and the arm support sleeve is arranged between the arm support sleeve and the arm support sleeve;

at least one elastic piece is arranged between each thumb support and the hand support, and an opening is formed in one side, facing the hand support, of each thumb support;

the thumb support is arranged on one side of the hand support, and an elastic rubber ring connected with the thumb support and the hand support is arranged at the joint of the thumb support and the hand support;

the wrist moving structure is arranged at the bottom of the arm support sleeve and operates through the wrist moving structure to realize that the hand support moves within a certain range;

the driving structure is driven by the driving structure to realize the left-right swinging of the four thumb supports and the thumb support so as to stretch the fingers of the patient by moving left and right.

Furthermore, in order to drive the four thumb supports and the thumb support to swing left and right, the driving structure comprises a driving device and a plurality of connecting rods, the four thumb supports are hinged in a crossed mode through the connecting rods to form a scissors-type crossed structure, a driving rod hinged to the thumb supports through a hinge shaft is arranged at the bottoms of the thumb supports, the driving rod is hinged to the end portions of the scissors-type crossed structure, and the driving rod is driven by the driving device to realize the movement of the thumb supports.

Furthermore, in order to drive the thumb support to swing, the driving device comprises a micro driving cylinder and a base arranged on the side wall of the hand support, the tail of the micro driving cylinder is hinged with the base, and the telescopic end of the micro driving cylinder is hinged with the side wall of the thumb support.

Further, elastic connection structure includes the mounting panel that two symmetries set up, the hand rest both sides are articulated through the pivot with two mounting panels respectively, be equipped with a plurality of buffer spring that are the arc and arrange between hand rest and the mounting panel, every buffer spring's both ends are connected respectively in the lateral wall of arm support cover and the tip of hand rest.

Further, in order to realize that the hand rest and the arm rest sleeve move relatively, the wrist moving structure comprises a mounting seat and a driving motor arranged at the bottom of the mounting seat, a driving wheel is tightly sleeved on a main shaft of the driving motor, an extension strip is arranged at the bottom of the hand rest, and a driving rod hinged with the driving wheel and the extension strip is arranged between the driving wheel and the extension strip.

Furthermore, in order to adjust the gap between the upper sheath and the lower sheath and adjust the gap to adapt to patients with different physiques, the arm support sleeve consists of an upper sheath and a lower sheath, a plurality of groups of elastic connecting pieces are arranged between the upper sheath and the lower sheath, each group of elastic connecting pieces is of an I-shaped structure, and one side, opposite to the upper sheath and the lower sheath, of each group of elastic connecting pieces is provided with a limiting groove for the end part of each elastic connecting piece to move;

the fixing structure comprises at least two fastening belts arranged on one side of the lower sheath, a first magic tape is arranged on the other side of the lower sheath corresponding to each fastening belt, and a second magic tape which is in bonding fit with the first magic tapes is arranged on each fastening belt.

Furthermore, the arm bending structure comprises a U-shaped frame and a connecting seat arranged on the side wall of the arm sleeve, two return springs are arranged between the U-shaped frame and the connecting seat, and two ends of each return spring are respectively connected to the bottom of the connecting seat and the top of the U-shaped frame.

Furthermore, the arm bending structure further comprises an adjusting cylinder, the tail of the adjusting cylinder is hinged to the U-shaped frame through a connecting shaft, and the telescopic end of the adjusting cylinder is hinged to the connecting seat through an extending shaft.

Furthermore, a plurality of groups of connecting bands which are arranged at equal intervals are arranged on the arm sleeve, a female plug buckle is arranged at the free end of each group of connecting bands, a male plug buckle is arranged on the arm sleeve corresponding to each group of connecting bands, and the male plug buckle is in plug-in fit with the corresponding female plug buckle.

Further, wrist activity structure still includes the control unit, and it includes sound acquisition unit, parameter setting unit, recording unit and controller, driving motor sound acquisition unit, parameter setting unit, recording unit all with controller electric connection.

The invention provides a wrist joint rehabilitation arm support with an antispasmodic function through improvement, and compared with the prior art, the wrist joint rehabilitation arm support has the following improvements and advantages:

the wrist joint rehabilitation arm support with the spasm resisting function can enable the fingers of a patient with flexor spasm to move and stretch and enable the wrist joint of the patient to bend at a proper angle, so that the rehabilitation operation of the patient with flexor spasm is accelerated, the driving device can drive the thumb support to move, the thumb support enables the scissors-shaped cross structure to move through the transmission rod, and due to the fact that at least one elastic piece is arranged between the thumb support and the hand support, the position of the thumb support can move relative to the hand support, and then the four thumb supports swing left and right, so that the fingers of the patient move left and right to stretch;

patient's finger is in the motion extension, and driving motor work can drive the drive wheel and rotate, makes the drive wheel drive through the actuating lever and extends the strip and rotate, and then makes and extend the strip and drive the hand rest and carry out the luffing motion to realize patient wrist joint's crooked activity, improved patient's recovered process.

Secondly, the invention also comprises an arm bending structure which can increase the exercise amount of the patient and improve the rehabilitation efficiency of the patient, the return spring is used for playing the roles of returning and buffering, when the arm or the arm of the patient moves relatively, the position of the arm and the arm can be returned under the action of the return spring, the adverse effect caused by the overlarge arm movement amplitude of the patient is avoided, and meanwhile, the position between the arm and the arm of the patient is returned to the initial state, so that the exercise amount of the patient is increased and the rehabilitation efficiency of the patient is improved.

Thirdly, the invention prevents the patient from generating unfavorable emotion due to damage caused by overlarge bending range of the wrist joint of the patient, specifically, the patient can selectively make sound according to whether the bending angle of the wrist joint is overlarge, when the sound collection unit collects the sound generated by the patient, the driving motor is reset and is recorded to the recording unit, the controller moves according to the wrist movement threshold value of the patient, the patient is prevented from generating unfavorable emotion due to the overlarge bending range of the wrist joint of the patient, and medical care personnel can adjust the parameters of the driving motor at intervals so as to improve the wrist movement threshold value of the patient.

And fourthly, the upper sheath and the lower sheath are connected by a plurality of groups of elastic connecting pieces to enable the arm support sleeve to adapt to the arms of different patients, and due to the limiting effect of the limiting groove, the elastic connecting pieces cannot be separated from the limiting groove, so that the upper sheath and the lower sheath are prevented from being separated due to the separation of the elastic connecting pieces.

Drawings

The invention is further explained below with reference to the figures and examples:

FIG. 1 is a perspective view of the present invention;

FIG. 2 is a side view of the present invention;

FIG. 3 is a bottom view of the present invention;

FIG. 4 is a partial perspective view of the first embodiment of the present invention;

FIG. 5 is an enlarged view taken at A in FIG. 4;

FIG. 6 is an exploded view of the present invention;

FIG. 7 is a partial perspective view of the second embodiment of the present invention;

fig. 8 is an enlarged view of fig. 7 at B.

Description of reference numerals:

1. an arm support sleeve; 11. putting a sheath; 12. a lower sheath; 13. a fixed structure; 14. a fastening tape; 15. an elastic connecting member; 2. a hand rest; 21. an elastic connection structure; 22. mounting a plate; 23. a rotating shaft; 24. a buffer spring; 3. arm sleeves; 31. an elastic rubber sleeve; 4. a thumb rest; 41. an elastic member; 42. an opening; 5. a thumb rest; 51. an elastic rubber ring; 6. a wrist movement structure; 61. a mounting seat; 62. a drive motor; 63. a driving wheel; 64. an extension bar; 65. a drive rod; 7. a drive structure; 71. a drive device; 72. a connecting rod; 73. a scissor-like cross-like structure; 74. a transmission rod; 75. a micro driving cylinder; 76. a base; 8. an arm bending structure; 81. a U-shaped frame; 82. a connecting seat; 83. a return spring; 84. adjusting the cylinder; 85. a connecting shaft; 86. a connecting belt; 87. a female buckle; 88. a male eye-splice; 89. an extension shaft.

Detailed Description

The present invention will be described in detail with reference to fig. 1 to 8, and the technical solutions in the embodiments of the present invention will be clearly and completely described below, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

The invention provides a wrist joint rehabilitation arm support with an antispasmodic function by improvement, as shown in figures 1-8, comprising:

the arm bracket sleeve 1 is provided with a fixing structure 13 for fastening the arm bracket sleeve 1 on the side wall;

the hand support 2 is arranged at the front part of the arm support sleeve 1, and an elastic connecting structure 21 connected with the arm support sleeve 1 is arranged between the hand support and the arm support sleeve;

the arm sleeve 3 is arranged at the rear part of the arm support sleeve 1, and an elastic rubber sleeve 31 connected with the arm support sleeve 1 is arranged between the arm support sleeve and the arm support sleeve;

at least one elastic piece 41 is arranged between each thumb support 4 and the hand support 2, and an opening 42 is formed in one side, facing the hand support 2, of each thumb support 4; the four thumb supports 4 are used for wrapping and limiting four fingers of a patient, so that when the thumb supports 4 move under the action of the driving structure 7, the thumb supports 4 can drive the fingers of the patient to move. In the present embodiment, the elastic member 41 may be an elastic member 41 or a spring, wherein a spring is preferable.

The thumb support 5 is arranged on one side of the hand support 2, and an elastic rubber ring 51 connected with the thumb support and the hand support 2 is arranged at the joint of the thumb support and the hand support; the drive mechanism 7 enables the thumb rest 5 to swing due to the provision of the resilient rubber ring 51.

The wrist moving structure 6 is arranged at the bottom of the arm support sleeve 1, and the wrist moving structure 6 operates to realize that the hand support 2 moves within a certain range;

the driving structure 7 is driven by the driving structure 7 to realize the left-right swinging of the four thumb supports 4 and the big thumb support 5, so that the fingers of the patient move left and right to stretch.

Specifically, referring to fig. 3 and 4, in order to drive the four thumb rests 4 and the thumb rest 5 to swing left and right, the driving structure 7 includes a driving device 71 and a plurality of connecting rods 72, the four thumb rests 4 are hinged in a crossed manner by the plurality of connecting rods 72 to form a scissors-type cross structure 73, a transmission rod 74 hinged to the bottom of the thumb rest 5 by a hinge shaft is arranged at the bottom of the thumb rest 5, and the transmission rod 74 is hinged to the end of the scissors-type cross structure 73 and driven by the driving device 71 to realize the movement of the thumb rest 5. The driving device 71 can drive the thumb rest 5 to move, so that the thumb rest 5 can drive the scissor-like cross structure 73 to move through the transmission rod 74, and due to the arrangement of the at least one elastic member 41 between the thumb rest 4 and the hand rest 2, the position of the thumb rest 4 can move relative to the hand rest 2, and then the four thumb rests 4 can swing left and right, so that the fingers of the patient can move left and right to stretch.

Referring to fig. 3 and 4, in particular, in order to drive the thumb rest 5 to swing, the driving device 71 is a micro driving cylinder 75 and a base 76 arranged on the side wall of the hand rest 2, the tail of the micro driving cylinder 75 is hinged with the base 76, and the telescopic end of the micro driving cylinder 75 is hinged with the side wall of the thumb rest 5. The micro-driving cylinder 75 can make the thumb rest 5 swing back and forth, so that the scissors-like structure 73 can be moved by the transmission rod 74 during the swinging process of the thumb rest 5, and the four thumb rests 4 can swing left and right, of course, in this embodiment, the driving device 71 can be a hydraulic cylinder, an electric cylinder or other known transmission methods, which are not described in detail herein.

Referring to fig. 6 and 7, specifically, the elastic connection structure 21 includes two symmetrically disposed mounting plates 22, two sides of the hand rest 2 are hinged to the two mounting plates 22 through a rotating shaft 23, a plurality of buffer springs 24 arranged in an arc shape are disposed between the hand rest 2 and the mounting plates 22, and two ends of each buffer spring 24 are connected to a side wall of the arm support sleeve 1 and an end of the hand rest 2 respectively. The plurality of buffer springs 24 are used to connect the arm rest cover 1 and the hand rest 2, and further enable the hand rest 2 to be bent and moved, thereby supporting the hand rest 2 for bending movement. The rotating shaft 23 is used for restricting the rotation of the hand rest 2 so as to restrict the rotation of the hand rest 2 along the axis of the rotating shaft 23, and under the buffering effect of the buffering spring 24, the phenomenon that the rotation angle of the hand rest 2 is too large to generate adverse effect is avoided.

Referring to fig. 6 and 3, specifically, in order to realize that the hand rest 2 and the arm rest sleeve 1 move relatively, the wrist moving structure 6 includes an installation base 61 and a driving motor 62 disposed at the bottom of the installation base 61, a driving wheel 63 is tightly sleeved on a spindle of the driving motor 62, an extension bar 64 is disposed at the bottom of the hand rest 2, and a driving rod 65 hinged to the driving wheel 63 and the extension bar 64 is disposed between the driving wheel 63 and the extension bar 64. The driving wheel 63 can be driven to rotate by the work of the driving motor 62, the driving wheel 63 drives the extension strip 64 to rotate through the driving rod 65, and then the extension strip 64 drives the hand rest 2 to swing up and down, so that the bending movement of the wrist joint of the patient is realized, and the rehabilitation process of the patient is improved.

Referring to fig. 6 and 7, specifically, in order to adjust the gap between the upper sheath 11 and the lower sheath 12 to adapt to patients with different physical constitutions, the arm support sleeve 1 is composed of an upper sheath 11 and a lower sheath 12, a plurality of groups of elastic connecting pieces 15 are arranged between the upper sheath 11 and the lower sheath 12, each group of elastic connecting pieces 15 is of an i-shaped structure, and one side of the upper sheath 11 opposite to one side of the lower sheath 12 is provided with a limiting groove for moving the end of each elastic connecting piece 15;

the upper sheath 11 and the lower sheath 12 are connected by a plurality of groups of elastic connecting pieces 15 to enable the arm support sleeve 1 to adapt to the arms of different patients, and due to the limiting effect of the limiting groove, the elastic connecting pieces 15 cannot be separated from the limiting groove, so that the upper sheath 11 and the lower sheath 12 are prevented from being separated due to the separation of the elastic connecting pieces 15.

Fixed knot constructs 13 including at least two fastening belts 14 that set up in one side of lower sheath 12, the opposite side of lower sheath 12 corresponds every fastening belt 14 and all is equipped with first magic subsides, be equipped with on the fastening belt 14 with first magic subsides bonding complex second magic subsides. Medical personnel can make fastening area 14 wrap up last sheath 11 and lower sheath 12 with first magic subsides and the cooperation of bonding of second magic subsides manually, make and go up sheath 11 and lower sheath 12 and wrap up patient's arm.

Referring to fig. 1, 2 and 7, in particular, the arm bending structure 8 further includes a U-shaped frame 81 and a connecting seat 82 disposed on a side wall of the arm sleeve 3, two return springs 83 are disposed between the U-shaped frame 81 and the connecting seat 82, and two ends of each return spring 83 are respectively connected to a bottom of the connecting seat 82 and a top of the U-shaped frame 81. The return spring 83 is used for resetting and buffering, when the arm or the arm of the patient moves relatively, the position of the arm or the arm can be reset under the action of the return spring 83, adverse effects caused by overlarge arm movement range of the patient are avoided, and meanwhile, the position between the arm and the arm of the patient is reset to an initial state, so that the exercise amount of the patient is increased, and the rehabilitation efficiency of the patient is improved.

Referring to fig. 7 and 8, specifically, a plurality of groups of connecting bands 86 are arranged at equal intervals on the arm sleeve 3, a female buckle 87 is arranged at a free end of each group of connecting bands 86, a male buckle 88 is arranged on the arm sleeve 3 corresponding to each group of connecting bands 86, and the male buckle 88 is in inserting fit with the corresponding female buckle 87. By inserting and matching the male inserting buckle 88 and the female inserting buckle 87, the connecting band 86 can restrain the arm of the patient in the arm sleeve 3, so that the arm sleeve 3 is suitable for patients with different physiques.

In order to further improve the amount of movement of the patient and the rehabilitation efficiency of the patient based on the first embodiment of the arm bending structure 8, the second embodiment of the arm bending structure 8 is based on the first embodiment of the arm bending structure 8, specifically, the arm bending structure 8 further includes an adjusting cylinder 84, the tail portion of the adjusting cylinder 84 is hinged to the U-shaped frame 81 through a connecting shaft 85, and the telescopic end of the adjusting cylinder 84 is hinged to the connecting base 82 through an extending shaft 89. Under the action of the adjusting cylinder 84, the arm support sleeve 1 can move to swing the arm of the patient so as to improve the movement amount.

Specifically, wrist activity structure 6 still includes the control unit, and it includes sound collection unit, parameter setting unit, recording unit and controller, 62 sound collection units of driving motor, parameter setting unit, recording unit all with controller electric connection. Medical personnel predetermine driving motor 62's parameter according to the patient's state of an illness, reduce the motion range of hand rest 2, when the patient sounding was gathered to the sound collection unit, driving motor 62 resets, and take notes to the record unit, make the controller move according to patient's wrist motion threshold value, avoid the patient to make the patient produce unfavorable mood because its wrist joint bending range takes place the damage excessively, medical personnel can adjust driving motor 62's parameter and then improve patient's wrist motion threshold value at every other period. The controller is a C8051F020 single chip microcomputer.

The working principle or the using method of the invention is as follows: the male buckle 88 is matched with the female buckle 87 in an inserting manner, so that the connecting belt 86 can restrain the arm of the patient in the arm sleeve 3, and medical personnel can manually bond and match the first magic tape and the second magic tape to wrap the upper sheath 11 and the lower sheath 12 by the fastening belt 14, so that the arm of the patient is wrapped by the upper sheath 11 and the lower sheath 12;

in order to accelerate the rehabilitation of the patient with flexor spasm, the driving device 71 can drive the thumb support 5 to move, so that the thumb support 5 can drive the scissors-like cross structure 73 to move through the transmission rod 74, and as at least one elastic piece 41 is arranged between the thumb support 4 and the hand support 2, the position of the thumb support 4 can move relative to the hand support 2, and then the four thumb supports 4 can swing left and right, so that the fingers of the patient can move left and right to stretch;

when the fingers of the patient stretch during exercise, the driving wheel 63 can be driven to rotate by the work of the driving motor 62, the driving wheel 63 is enabled to drive the extension strip 64 to rotate through the driving rod 65, and then the extension strip 64 drives the hand rest 2 to swing up and down, so that the bending activity of the wrist joint of the patient is realized, the rehabilitation process of the patient is improved, the patient can selectively make a sound according to whether the bending angle of the wrist joint is too large, when the sound collection unit collects the sound of the patient, the driving motor 62 resets and records the sound to the recording unit, the controller moves according to the wrist movement threshold value of the patient, the situation that the patient generates unfavorable emotion due to the fact that the patient is damaged due to too large bending range of the wrist joint of the patient is avoided, and medical staff can adjust the parameters of the driving motor 62 at intervals so as to improve the wrist.

In order to further improve the recovery of the patient, the arm support sleeve 1 is moved by the adjusting cylinder 84 to swing the arm of the patient to improve the exercise amount.

The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. Recovered arm of wrist joint holds in palm with antispasmodic function, its characterized in that includes:

the side wall of the arm support sleeve (1) is provided with a fixing structure (13) for fastening the arm support sleeve (1);

the hand support (2) is arranged at the front part of the arm support sleeve (1), and an elastic connecting structure (21) connected with the hand support and the arm support sleeve (1) is arranged between the hand support and the arm support sleeve;

the arm sleeve (3) is arranged at the rear part of the arm support sleeve (1), and an elastic rubber sleeve (31) connected with the arm support sleeve (1) is arranged between the arm sleeve and the arm support sleeve;

the hand support is characterized by comprising four thumb supports (4), at least one elastic piece (41) is arranged between each thumb support (4) and the hand support (2), and an opening (42) is formed in one side, facing the hand support (2), of each thumb support (4);

the thumb support (5) is arranged on one side of the hand support (2), and an elastic rubber ring (51) connected with the thumb support and the hand support (2) is arranged at the joint of the thumb support and the hand support;

the wrist moving structure (6) is arranged at the bottom of the arm support sleeve (1), and the wrist moving structure (6) operates to realize the movement of the hand support (2) within a certain range;

the driving structure (7) is driven by the driving structure (7) to realize the left-right swinging of the four thumb supports (4) and the big thumb support (5) so as to enable the fingers of the patient to move left and right for stretching.

2. The spasm-resistant wrist joint rehabilitation arm support according to claim 1, wherein the driving structure (7) comprises a driving device (71) and a plurality of connecting rods (72), four thumb supports (4) are hinged in a crossed manner through the plurality of connecting rods (72) to form a scissors-shaped cross structure (73), a transmission rod (74) hinged to the bottom of each thumb support (5) through a hinge shaft is arranged at the bottom of each thumb support, the transmission rod (74) is hinged to the end of each scissors-shaped cross structure (73), and the transmission rod is driven by the driving device (71) to realize the movement of the thumb supports (5).

3. The spasm-resistant wrist joint rehabilitation arm support according to claim 2, wherein the driving device (71) comprises a micro driving cylinder (75) and a base (76) arranged on the side wall of the hand support (2), the tail part of the micro driving cylinder (75) is hinged with the base (76), and the telescopic end of the micro driving cylinder (75) is hinged with the side wall of the thumb support (5).

4. The spasm-resistant wrist joint rehabilitation arm support according to claim 1, wherein the elastic connection structure (21) comprises two symmetrically arranged mounting plates (22), two sides of the hand support (2) are respectively hinged with the two mounting plates (22) through rotating shafts (23), a plurality of buffer springs (24) arranged in an arc shape are arranged between the hand support (2) and the mounting plates (22), and two ends of each buffer spring (24) are respectively connected to the side wall of the arm support sleeve (1) and the end part of the hand support (2).

5. The spasm-resistant wrist joint rehabilitation arm support according to claim 4, wherein the wrist moving structure (6) comprises a mounting seat (61) and a driving motor (62) arranged at the bottom of the mounting seat (61), a driving wheel (63) is tightly sleeved on a spindle of the driving motor (62), an extension strip (64) is arranged at the bottom of the hand support (2), and a driving rod (65) hinged with the driving wheel (63) and the extension strip (64) is arranged between the driving wheel (63) and the extension strip (64).

6. The spasm-resistant wrist joint rehabilitation arm support according to claim 1, wherein the arm support sleeve (1) is composed of an upper sheath (11) and a lower sheath (12), a plurality of groups of elastic connecting pieces (15) are arranged between the upper sheath (11) and the lower sheath (12), each group of elastic connecting pieces (15) is of an I-shaped structure, and one side of the upper sheath (11) opposite to one side of the lower sheath (12) is provided with a limiting groove for the end part of each elastic connecting piece (15) to move;

fixed knot constructs (13) including at least two fastening belts (14) that set up in one side of under sheath (12), the opposite side of under sheath (12) corresponds every fastening belt (14) and all is equipped with first magic subsides, be equipped with on fastening belt (14) and paste the bonding complex second magic subsides with first magic.

7. The spasm-resisting wrist joint rehabilitation arm support according to claim 1, further comprising an arm bending structure (8) which comprises a U-shaped frame (81) and a connecting seat (82) arranged on the side wall of the arm sleeve (3), wherein two return springs (83) are arranged between the U-shaped frame (81) and the connecting seat (82), and two ends of each return spring (83) are respectively connected to the bottom of the connecting seat (82) and the top of the U-shaped frame (81).

8. The spasm-resistant wrist joint rehabilitation arm support according to claim 7, wherein the arm bending structure (8) further comprises an adjusting cylinder (84), the tail part of the adjusting cylinder is hinged with the U-shaped frame (81) through a connecting shaft (85), and the telescopic end of the adjusting cylinder (84) is hinged with the connecting seat (82) through an extending shaft (89).

9. The spasm-resisting wrist joint rehabilitation arm support as claimed in claim 1, wherein the arm sleeve (3) is provided with a plurality of groups of connecting bands (86) arranged at equal intervals, the free end of each group of connecting bands (86) is provided with a female plug-in buckle (87), the arm sleeve (3) is provided with a male plug-in buckle (88) corresponding to each group of connecting bands (86), and the male plug-in buckle (88) is in plug-in fit with the corresponding female plug-in buckle (87).

10. The antispasmodic wrist joint rehabilitation arm rest according to claim 5, wherein the wrist movement structure (6) further comprises a control unit including a sound collection unit, a parameter setting unit, a recording unit and a controller, and the sound collection unit, the parameter setting unit and the recording unit of the driving motor (62) are electrically connected to the controller.