Rehabilitation training wrist developer
By incorporating elastic rubber airbags and pressure airbags, the problem of excessive friction in the use of fitness hand grippers by patients with finger tenosynovitis is solved. This achieves soft resistance for rehabilitation training and promotes blood circulation, relieving swelling and stiffness, making it suitable for rehabilitation training of finger tenosynovitis.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- RONG COUNTY TRADITIONAL CHINESE MEDICINE HOSPITAL
- Filing Date
- 2025-04-21
- Publication Date
- 2026-04-14
AI Technical Summary
Existing fitness grip strengtheners may cause excessive friction between tendons and tendon sheaths when used by patients with tenosynovitis, increasing the risk of inflammation. They also lack the function of promoting blood circulation and cannot effectively relieve swelling and stiffness.
It adopts the design of elastic rubber airbag and compression airbag. Pressing the patient's thumb stimulates vasodilation, and the soft elastic rubber airbag provides resistance for rehabilitation training, avoiding excessive friction between tendons and tendon sheaths, and promoting blood circulation to accelerate the excretion of metabolic waste.
It effectively avoids excessive friction between tendons and tendon sheaths, promotes blood circulation, relieves swelling and stiffness, and is suitable for rehabilitation training of finger tenosynovitis, reducing the risk of secondary injury.
Smart Images

Figure CN224113219U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to a rehabilitation training grip strength device, belonging to the field of rehabilitation training equipment. Background Technology
[0002] Tenosynovitis of the fingers is a common hand condition caused by inflammation and thickening of the tendon and its surrounding sheath, resulting in pain, stiffness, and even clicking or locking of the fingers during movement. The main causes are overuse: frequent repetitive hand movements (such as typing, holding tools, and using a mobile phone) and chronic strain, commonly seen in manual laborers, musicians, athletes, etc.
[0003] Some patients can use low-resistance hand grippers to assist with functional recovery after finger surgery. However, most hand grippers on the market are designed for fitness and are relatively hard. Since tendons and joints are still in the repair phase, using fitness hand grippers too early can lead to excessive friction between the tendons and tendon sheaths, exacerbating inflammation or causing secondary injuries. Therefore, soft hand grippers should be used to reduce impact on the tendons. Furthermore, during the non-acute inflammatory phase of tenosynovitis in the fingers, pressing on the grips can stimulate vasodilation, promoting blood circulation, accelerating the removal of metabolic waste (such as inflammatory mediators), relieving swelling and stiffness, and alleviating muscle tension. Current hand grippers do not possess this function, therefore, improvement is necessary. Utility Model Content
[0004] The purpose of this invention is to solve the aforementioned problems in the background art and to provide a rehabilitation training grip strength device.
[0005] The technical solution adopted by this utility model to achieve the above objectives is as follows:
[0006] A rehabilitation training grip strengthener includes an elastic rubber airbag; a finger ring is fixedly connected to the outer circular surface of the elastic rubber airbag, and a fixing seat for fixing the thumb is also fixedly connected to the outer circular surface of the elastic rubber airbag; the fixing seat is arc-shaped, with an arc-shaped groove and a groove communicating with the arc-shaped groove on the inner circular surface of the fixing seat; a compression airbag is fixedly connected to the arc-shaped groove and the groove; the end of the compression airbag located in the arc-shaped groove is fixedly connected to the outer circular surface of the elastic rubber airbag, and a through hole is provided on the outer circular surface of the elastic rubber airbag to communicate with the compression airbag.
[0007] Compared with the prior art, the beneficial effects of this utility model are: This utility model not only uses an elastic rubber airbag to replace the traditional fitness grip strengthener, avoiding excessive friction between the tendon and tendon sheath, which aggravates inflammation or induces secondary injury, but also has the function of pressing the patient's thumb to stimulate vasodilation, thereby promoting blood circulation, accelerating the excretion of metabolic waste, relieving swelling and stiffness, and relieving muscle tension. Attached Figure Description
[0008] Figure 1 This is a three-dimensional structural diagram of a rehabilitation training grip strength device according to this utility model;
[0009] Figure 2 This is a cross-sectional view of a rehabilitation training grip strength device according to this utility model;
[0010] Figure 3 This is a schematic diagram showing the positions of the arc-shaped groove and recess in a rehabilitation training grip strength device according to this utility model;
[0011] Figure 4 This is a three-dimensional structural diagram of the fixing seat of a rehabilitation training grip strength device according to this utility model.
[0012] In the diagram: 1. Elastic rubber airbag; 2. Finger ring; 3. Protrusion; 4. Fixing base; 41. Notch; 42. Pressing airbag; 43. Inner cavity; 44. Arc groove; 45. Groove; 5. Inflation port. Detailed Implementation
[0013] The technical solutions of this utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments of this utility model. Obviously, the described embodiments are only some embodiments of the utility model, not all embodiments. All other embodiments obtained by those skilled in the art based on the embodiments of this utility model without creative effort are within the protection scope of this utility model.
[0014] Specific implementation method one: as follows Figure 1-4 As shown, this embodiment describes a rehabilitation training grip strength device, including an elastic rubber airbag 1; a finger ring 2 is fixedly connected to the outer circular surface of the elastic rubber airbag 1, and a fixing seat 4 for fixing the thumb is also fixedly connected to the outer circular surface of the elastic rubber airbag 1; the fixing seat 4 is arc-shaped, with an arc-shaped groove 44 and a groove 45 communicating with the arc-shaped groove 44 on the inner circular surface of the fixing seat 4; a pressing airbag 42 is fixedly connected in the arc-shaped groove 44 and the groove 45; the end of the pressing airbag 42 located in the arc-shaped groove 44 is fixedly connected to the outer circular surface of the elastic rubber airbag 1, and a through hole is provided on the outer circular surface of the elastic rubber airbag 1 to communicate with the inner cavity 43 of the pressing airbag 42 and the elastic rubber airbag 1. By connecting the pressing airbag 42 with the elastic rubber airbag 1, the thumb inserted into the fixing seat 4 is completely wrapped. When exercising with the elastic rubber airbag 1, the elastic rubber airbag 1 and the pressing airbag 42 press the wrapped thumb to stimulate vasodilation, promote blood circulation, accelerate the excretion of metabolic waste (such as inflammatory mediators), relieve swelling and stiffness, and relieve muscle tension.
[0015] The elastic rubber airbag 1 is provided with an inflation port 5 to facilitate the adjustment of the air pressure of the elastic rubber airbag 1.
[0016] The outer surface of the elastic rubber airbag 1 is provided with multiple protrusions 3.
[0017] There are four of the rings 2.
[0018] One end of the fixing seat 4 is provided with a notch 41. After the thumb is inserted into the fixing seat 4, the web of the thumb is positioned inside the notch 41 so that the thumb can be fully inserted into the fixing seat 4.
[0019] When the elastic rubber airbag 1 is not compressed, the pressure inside the compressed airbag 42 is the same as that inside the elastic rubber airbag 1.
[0020] After the elastic rubber airbag 1 is compressed and deformed, the internal pressure of the pressing airbag 42 and the elastic rubber airbag 1 increases. The increased pressure of the pressing airbag 42 and the elastic rubber airbag 1 then presses the thumb.
[0021] Two arc-shaped grooves 44 are provided, and the two arc-shaped grooves 44 are symmetrically arranged on both sides of the groove 45, and one end of the arc-shaped groove 44 extends to the side of the fixing seat 4.
[0022] The working principle of this utility model is as follows: insert the four fingers from the index finger to the little finger into the corresponding ring 2, and then insert the thumb into the fixing seat 4, with the tiger's mouth located in the notch 41;
[0023] When using this device, the elastic rubber airbag 1 is squeezed by applying force with the hand, causing it to deform elastically, reducing its volume and increasing its internal air pressure to provide resistance for rehabilitation training. The elastic rubber airbag 1 is softer than existing fitness grip strengtheners and is more suitable for rehabilitation training.
[0024] After the elastic rubber airbag 1 deforms under force, since the elastic rubber airbag 1 is connected to the compression airbag 42, when the elastic rubber airbag 1 deforms under force and its internal pressure increases, the pressure inside the compression airbag 42 also increases. Since the user's thumb is located inside the fixing seat 4 and the web of the thumb is located at the notch 41, the compression airbag 42 can cover the outer joint of the thumb, while the inner side of the thumb is against the outer wall of the elastic rubber airbag 1. Therefore, after the internal pressure of the elastic rubber airbag 1 and the compression airbag 42 increases, the pressure of the elastic rubber airbag 1 and the compression airbag 42 is applied to the user's thumb, thereby achieving the purpose of pressing the user's thumb. In turn, the pressing stimulates vasodilation in the non-acute inflammatory phase of the patient's tenosynovitis, thereby promoting blood circulation, accelerating the excretion of metabolic waste (such as inflammatory mediators), relieving swelling and stiffness, and relieving muscle tension.
Claims
1. A rehabilitation training grip strength device, characterized in that: The device includes an elastic rubber airbag (1); a finger ring (2) is fixedly connected to the outer circular surface of the elastic rubber airbag (1), and a fixing seat (4) for fixing the thumb is also fixedly connected to the outer circular surface of the elastic rubber airbag (1); the fixing seat (4) is arc-shaped, with an arc groove (44) and a groove (45) communicating with the arc groove (44) on the inner circular surface of the fixing seat (4); a pressing airbag (42) is fixedly connected in the arc groove (44) and the groove (45); the end of the pressing airbag (42) located in the arc groove (44) is fixedly connected to the outer circular surface of the elastic rubber airbag (1), and a perforation is provided on the outer circular surface of the elastic rubber airbag (1) to communicate with the pressing airbag (42) and the elastic rubber airbag (1).
2. The rehabilitation training grip strengthener according to claim 1, characterized in that: The outer surface of the elastic rubber airbag (1) is provided with multiple protrusions (3).
3. A rehabilitation training grip strengthener according to claim 2, characterized in that: The ring (2) has four rings.
4. A rehabilitation training grip strengthener according to claim 1 or 3, characterized in that: One end of the fixing seat (4) is provided with a notch (41).
5. A rehabilitation training grip strengthener according to claim 4, characterized in that: When the elastic rubber airbag (1) is not compressed, the pressure of the pressed airbag (42) is the same as the internal pressure of the elastic rubber airbag (1).
6. A rehabilitation training grip strengthener according to claim 5, characterized in that: After the elastic rubber airbag (1) is squeezed and deformed, the internal pressure of the pressing airbag (42) and the elastic rubber airbag (1) increases.
7. A rehabilitation training grip strengthener according to claim 6, characterized in that: Two arc-shaped grooves (44) are provided, and the two arc-shaped grooves (44) are symmetrically arranged on both sides of the groove (45), and one end of the arc-shaped groove (44) extends to the side of the fixing seat (4).