Rehabilitation assisting device for wrist grip strength

By introducing anti-resilience devices into the rehabilitation assistance device, the design of fixed slope stops and movable sliders is used to solve the problem of hand muscle strain caused by rapid rebound of the grip spring, achieving safer and more comfortable grip training.

CN223196490UActive Publication Date: 2025-08-08SHANDONG UNIV QILU HOSPITAL
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Patent Information

Application Number
CN202422337707.3
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-09-25
Publication Date
2025-08-08
Estimated Expiration
2034-09-25

AI Technical Summary

Technical Problem

The existing rehabilitation assistance device for wrist grip strength After the finger is loosened, the grip spring quickly rebounds, causing a strain on the hand muscles.

Method used

An anti-resilience device is designed, including a fixed ramp stop, a movable slider and an anti-resilience card. The movable slider is pulled by a traction rope to slide on the fixed ramp stop, and when the finger is loosened, the anti-resilience card block is slided into the card slot to fix it, avoiding the quick retraction of the grip spring.

Benefits of technology

It effectively avoids rapid retraction of the grip spring after the finger is loosened, prevents hand muscle strain, and improves the safety and comfort of training.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a rehabilitation assisting device for wrist grip strength, which belongs to the field of medical treatment and comprises a wrist fixing strap, a fixing block is arranged above the wrist fixing strap, finger sleeves are arranged on fingers, and the fixing block is connected with the finger sleeves through grip strength springs corresponding to the fingers in length. Compared with the prior art, the device has the advantages that when a finger holds the device, the traction rope pulls the movable sliding block to slide on the slope of the fixed slope stop block, when the finger loosens, the anti-rebound clamping block on the side face of the movable sliding block slides into the anti-rebound clamping groove to be fixed under the action of the slope of the contact face, and the situation that after the finger loosens, the anti-rebound clamping block slides into the anti-rebound clamping groove to be fixed is avoided. And the grip spring rapidly retracts under the action of elasticity.
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Description

Technical Field

[0001] The utility model relates to the medical field, in particular to a rehabilitation auxiliary device for wrist grip strength. Background Art

[0002] When facing some patients with hemiplegia or cerebral infarction, in order to help them better restore their ability to live independently, hospitals often use some external objects to assist patients in rehabilitation training of their limbs so that patients can recover better and faster. Among these trainings, wrist grip is one of the most important rehabilitation training items.

[0003] Existing wrist grip rehabilitation assistive devices usually involve putting a wrist strap on the patient's wrist and finger cuffs on the fingers. Grip training is performed using a grip spring located between a fixing block above the wrist strap and the finger cuffs. In order to prevent the back of the hand from being pinched by the grip spring, an elastic protective pad is usually placed on the back of the hand for protection.

[0004] Although this wrist grip rehabilitation assistive device can effectively restore the patient's grip strength in a short period of time, during the training process, the patient's hand strength is often exhausted and the grip spring retracts quickly, resulting in hand muscle strain. Utility Model Content

[0005] The technical problem to be solved by the utility model is that after the fingers of the existing wrist grip rehabilitation auxiliary device are released, the grip spring rebounds quickly due to its characteristics, thereby causing damage to the hand muscles.

[0006] In order to solve the above technical problems, the technical solution provided by the utility model is: a rehabilitation auxiliary device for wrist grip, including a wrist fixing strap, a fixed block is provided above the wrist fixing strap, and a finger cuff is provided on the finger, the fixed block and the finger cuff are connected by a grip spring corresponding to the length of the finger, hooks are provided on both sides of the grip spring, and a connecting ring corresponding to the hook is provided on one side of the finger cuff and the fixed block, an elastic protective pad for protecting the back of the hand is provided on one side of the wrist fixing strap, an anti-rebound device is provided between the grip spring and the finger cuff, the anti-rebound device includes several fixed slope blocks located above the elastic protective pad, a movable slider corresponding to the fixed slope block, and a limiting groove for limiting the displacement direction of the movable slider, an anti-rebound block is provided on one side of the movable slider, an anti-rebound slot for fixing the anti-rebound block is provided inside the vertical surface of the fixed slope block, the fixed slope block is connected to the fixed plate of the connecting ring through a bolt structure, and the finger cuff is connected to the fixed slope block through a traction rope.

[0007] As an improvement, the two connecting end surfaces of the wrist fixing strap are connected by magic glue, and the fixing block is connected to the wrist fixing strap by strong glue.

[0008] As an improvement, the wrist fixing belt, the fixed slope block, and the baffles on both sides of the limiting groove and the elastic protective pad are all connected by hot air welding.

[0009] As an improvement, a winding ring for winding the traction rope is provided on one side of the movable slider.

[0010] As an improvement, the winding ring and the connecting ring located on one side of the finger sleeve are both connected to the two ends of the traction rope through body contact.

[0011] As an improvement, the thin column end of the cross-shaped conductive sliding rod passes through the inner hole of the reset spring, and one side of the anti-rebound card block is provided with a slope for sliding into the anti-rebound card slot.

[0012] The advantages of the present invention over the prior art are that when the fingers of the device are gripped tightly, the traction rope pulls the movable slider to slide on the inclined surface of the fixed slope block; when the fingers are released, the anti-rebound block on the side of the movable slider slides into the anti-rebound slot under the action of the slope of the contact surface and is fixed, thereby preventing the grip spring from quickly retracting under the action of elasticity after the fingers are released. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 This is a general structural diagram of a rehabilitation auxiliary device for wrist grip strength of the utility model.

[0014] Figure 2 This is an enlarged view of a finger cuff of a rehabilitation auxiliary device for wrist grip strength according to the present invention.

[0015] Figure 3 This is an enlarged view of an anti-rebound device of a rehabilitation auxiliary device for wrist grip strength of the present invention.

[0016] Figure 4 This is a cross-sectional view of an anti-rebound device of a rehabilitation auxiliary device for wrist grip strength of the utility model.

[0017] Figure 5 This is a structural diagram of a movable slider of a rehabilitation auxiliary device for wrist grip strength of the utility model.

[0018] As shown in the figure: 1. Wrist fixing strap; 2. Fixing block; 3. Finger sleeve; 4. Grip spring; 41. Hook; 42. Connecting ring; 5. Elastic protective pad; 6. Anti-rebound device; 61. Fixed slope block; 62. Movable slider; 63. Limiting slot; 64. Anti-rebound block; 641. Slope; 65. Anti-rebound slot 7. Traction rope; 71. Winding ring. DETAILED DESCRIPTION

[0019] The present invention will be described in further detail below with reference to the accompanying drawings.

[0020] As the instruction manual Figure 1 、 2 As shown, it includes a wrist fixing strap 1, the two connecting end surfaces of the wrist fixing strap 1 are connected by magic glue, and a fixing block 2 is provided above the wrist fixing strap 1, and the fixing block 2 is connected to the wrist fixing strap 1 by strong glue. The magic glue connection enables the wrist fixing strap 1 to fix the fixing block 2 on the wrist, thereby ensuring that the fixing block 2 will not slide during training.

[0021] The fingers are provided with finger sleeves 3, and the fixing block 2 is connected to the finger sleeves 3 by a grip spring 4 corresponding to the length of the fingers. Hooks 41 are provided on both sides of the grip spring 4, and a connecting ring 42 corresponding to the hook 41 is provided on one side of the finger sleeve 3 and the fixing block 2. The grip strength of the fingers is trained by the telescopic tension of the grip spring 4. An elastic protective pad 5 for protecting the back of the hand is provided on one side of the wrist fixing strap 1. The wrist fixing strap 1 and the elastic protective pad 5 are connected by hot air welding. The welding connection between the elastic protective pad 5 and the wrist fixing strap 1 ensures that the elastic protective pad 5 will not fall off during training.

[0022] As the instruction manual Figure 1 、 3 As shown in Figures 4 and 5, an anti-rebound device 6 is provided between the grip spring 4 and the finger sleeve 3. The anti-rebound device 6 includes several fixed slope blocks 61 located above the elastic protective pad 5, a movable slider 62 corresponding to the fixed slope block 61, and a limiting groove 63 for limiting the displacement direction of the movable slider 62. The fixed slope block 61 and the baffles on both sides of the limiting groove 63 are connected to the elastic protective pad 5 by hot air welding. An anti-rebound block 64 is provided on one side of the movable slider 62, and an anti-rebound groove 65 for fixing the anti-rebound block 64 is provided inside the vertical surface of the fixed slope block 61. A slope 641 is provided on one side of the anti-rebound block 64 for convenient sliding into the anti-rebound groove 65. The slope 641 allows the anti-rebound block 64 to slide into the anti-rebound groove 65 more conveniently.

[0023] The fixed slope stopper 61 is connected to the fixed plate of the connecting ring 42 through a bolt structure, and the finger sleeve 3 is connected to the fixed slope stopper 61 through a traction rope 7. A winding ring 71 is provided on one side of the movable slider 62 for winding the traction rope 7. The winding ring 71 and the connecting ring 42 on one side of the finger sleeve 3 are both connected to the two ends of the traction rope 7 through body contact, and the grip spring 4 is indirectly driven to stretch by pulling the traction rope 7, ensuring that the grip spring 4 will not hurt the fingers.

[0024] During the specific implementation of the present invention, the magic sticky tape is sewn on the two connecting end surfaces of the wrist fixing belt 1 with needle and thread, the fixing block 2 is pasted on the belt surface of the wrist fixing belt 1 with strong glue, and the elastic protective pad 5 is welded on one side of the wrist fixing belt 1 with a hot air welding machine (the elastic protective pad 5 is in the same direction as the connecting ring 42 of the fixing block 2); a movable slider 62 is placed on the fixing block of the hook 41 on one side of the grip spring 4, the screw holes of the two are aligned, and the screws are screwed in to fix them; the hook 41 on one side of the grip spring 4 is hung on the connecting ring 42 on the side of the fixing block 2 , wrap one end of the traction rope 7 around the winding ring 71 at one end of the movable slider 62, and evenly place several fixed slope blocks 61 under the movable slider 62 (the anti-rebound slot 65 on one side of the fixed slope block 61 and the anti-rebound block 64 on the side of the movable slider 62 are opposite to each other), and place limiting grooves 63 on both sides of the fixed slope block 61. Use a hot air welding machine to weld the fixed slope block 61 and the limiting grooves 63 above the elastic protective pad 5; wrap one end of the traction rope 7 around the connecting ring 42 of the finger sleeve 3 for fixing.

[0025] When in use, wrap the wrist fixing strap 1 around the wrist and fix it with magic glue, put the finger sleeve 3 on the finger, hold the finger tightly, and make the traction rope 7 pull the movable slider 62 to move, thereby indirectly stretching the grip spring 4. When the grip training is completed, release the finger, and when the movable slider 62 retreats, under the action of the slope 641, the anti-rebound block 64 slides into the nearest anti-rebound slot 65, thereby preventing the grip spring 4 from quickly shrinking due to its elasticity when the finger is released, thereby causing hand muscle strain.

[0026] The above description of the present invention and its embodiments is non-limiting. The drawings show only one embodiment of the present invention, and the actual structure is not limited thereto. In short, if a person skilled in the art is inspired by the above, and does not deviate from the purpose of the present invention, without inventive design, a structure and embodiment similar to the technical solution should fall within the scope of protection of the present invention.

Claims

1. A rehabilitation auxiliary device for wrist grip strength, comprising a wrist fixing strap (1), a fixing block (2) is provided above the wrist fixing strap (1), and finger sleeves (3) are provided on the fingers, the fixing block (2) and the finger sleeves (3) are connected by a grip spring (4) corresponding to the length of the finger, hooks (41) are provided on both sides of the grip spring (4), a connecting ring (42) corresponding to the hook (41) is provided on one side of the finger sleeve (3) and the fixing block (2), and an elastic protective pad (5) for protecting the back of the hand is provided on one side of the wrist fixing strap (1), characterized in that: An anti-rebound device (6) is provided between the grip spring (4) and the finger sleeve (3), and the anti-rebound device (6) comprises a plurality of fixed slope blocks (61) located above the elastic protective pad (5), a movable slider (62) corresponding to the fixed slope block (61), and a limiting groove (63) for limiting the displacement direction of the movable slider (62), an anti-rebound block (64) is provided on one side of the movable slider (62), and an anti-rebound groove (65) for fixing the anti-rebound block (64) is provided inside the vertical surface of the fixed slope block (61), the fixed slope block (61) is connected to the fixed plate of the connecting ring (42) through a bolt structure, and the finger sleeve (3) is connected to the fixed slope block (61) through a traction rope (7).

2. The wrist grip rehabilitation assistive device according to claim 1, characterized in that: The two connecting end surfaces of the wrist fixing strap (1) are connected by magic glue, and the fixing block (2) is connected to the wrist fixing strap (1) by strong glue.

3. The wrist grip rehabilitation assistive device according to claim 1, characterized in that: The wrist fixing belt (1), the fixed slope block (61), the baffles on both sides of the limiting groove (63) and the elastic protective pad (5) are all connected by hot air welding.

4. The wrist grip rehabilitation assistive device according to claim 1, characterized in that: A winding ring (71) for winding the traction rope (7) is provided on one side of the movable slider (62).

5. The wrist grip rehabilitation assistive device according to claim 4, characterized in that: The winding ring (71) and the connecting ring (42) located on one side of the finger sleeve (3) are both connected to the two ends of the traction rope (7) through body contact.

6. The wrist grip rehabilitation assistive device according to claim 1, characterized in that: One side of the anti-rebound card block (64) is provided with a slope (641) for conveniently sliding into the interior of the anti-rebound card slot (65).