Multi-joint finger rehabilitation training device

Abstract

The invention relates to a multi-joint finger rehabilitation training device which comprises a plurality of finger joint connecting keys, and each finger joint connecting key comprises a rolling ring and a finger joint connecting ring; the device further comprises an adjustable wrist connecting band and a stretching training mechanism connected to the wrist connecting band. The stretching training mechanism comprises a stretching handle and a plurality of stretching ropes, and tension control structures used for controlling the stretching ropes are arranged at the joints of the stretching ropes and the wrist connecting band. Through the unique design of the finger joint connecting keys and the stretching training mechanism, the up-down swinging and grabbing capacity of the finger joints can be trained, and fine action control training, rotation training and all-around joint flexibility training of metacarpophalangeal joints, middle phalanges and fingers can be increased; the comprehensive training mode is beneficial to faster and more effective recovery of the hand function of the patient, and the recovery effect is improved.

Description

Technical Field

[0001] The invention relates to the field of medical devices, and in particular to a multi-joint finger rehabilitation training device. Background Art

[0002] Existing hand rehabilitation training methods often have problems such as lack of pertinence, insignificant training effects, or complex equipment and inconvenience in use. In particular, for the rehabilitation and recovery of the metacarpophalangeal joints, middle phalanx and interphalangeal joints, there is a lack of a device that can comprehensively exercise these key joints and is convenient for users to use in daily life.

[0003] The current hand rehabilitation training devices on the market are mainly limited to improving grasping ability and the up and down swinging training of the finger joints. Although this training method can help patients restore hand function to a certain extent, its training scope is relatively narrow and cannot fully cover the diverse movements required for hand rehabilitation. In particular, there are obvious deficiencies in training the rotation flexibility of the metacarpophalangeal joints, the fine movement control of the middle phalanx and interphalangeal joints, and the full range of wrist mobility.

[0004] Specifically, the defects of the prior art include:

[0005] ① Limited training scope: Most of the hand rehabilitation training devices currently on the market focus on improving grasping ability and the up and down swing of the finger joints, ignoring key aspects such as the training of the metacarpophalangeal joints and fine finger movement control, resulting in limited rehabilitation effects;

[0006] ② Lack of personalization: Many hand rehabilitation training devices lack personalized training programs and cannot provide customized training based on the patient’s specific conditions (such as injury severity, rehabilitation stage, etc.), which affects rehabilitation efficiency;

[0007] ③Poor user experience: Some devices are not user-friendly enough, inconvenient to use, and may even cause discomfort due to long-term use; at the same time, the equipment is bulky and complicated to operate, further reducing the patient's rehabilitation experience and willingness to continue using it;

[0008] ④ Poor equipment adaptability: Some hand rehabilitation training devices have high requirements for the use environment, and the equipment itself is bulky and inconvenient to use in non-professional rehabilitation environments such as home or outdoors, which limits its popularity and application scope. Summary of the invention

[0009] The object of the present invention is to provide a multi-joint finger rehabilitation training device, which can solve the shortcomings of existing devices in terms of personalized training programs.

[0010] The present invention is implemented through the following technical solutions: a multi-joint finger rehabilitation training device, which includes a plurality of finger joint connection keys, the finger joint connection keys include rolling rings and finger joint connection rings, and every two adjacent rolling rings are hinged by hinge buckles; the front and rear edges of the rolling rings are provided with edge trimming to form an annular rolling groove in the rolling ring, the finger joint connection rings are fitted in the annular rolling grooves and roll, and a limit anti-drop structure is provided between the finger joint connection rings and the annular rolling grooves;

[0011] It also includes an adjustable wrist connection strap and a stretching training mechanism connected to the wrist connection strap; the stretching training mechanism includes a stretching handle and a plurality of stretching ropes connected to the stretching handle, and the ends of the stretching ropes are respectively fixedly connected to corresponding finger joint connection rings;

[0012] Wherein, the stretching ropes are all movably connected to the wrist connecting straps, and a tension control structure for controlling the stretching ropes is provided at the connection between the stretching ropes and the wrist connecting straps.

[0013] Compared with the previous technology, the beneficial effects of the present invention are:

[0014] 1. The present invention can train the up and down swing and grasping ability of the finger joints through the unique design of the finger joint connection key and the stretching training mechanism, and can also increase the fine motor control training, rotation training and all-round joint flexibility training of the metacarpophalangeal joints, middle phalanx and fingers. This comprehensive training method helps to restore the patient's hand function faster and more effectively, and improve the rehabilitation effect.

[0015] 2. The present invention comprehensively covers the needs of hand rehabilitation training, and can provide personalized training programs according to the patient's specific conditions and rehabilitation needs, ensuring the scientificity and effectiveness of the training.

[0016] 3. Humanized design ensures that the device is comfortable and convenient to use, while reducing the weight of the device, simplifying the operating process, and improving the patient's rehabilitation experience and willingness to continue using it.

[0017] 4. The present invention enhances the adaptability of the device, has the advantages of being light and easy to carry, and is convenient for use in different places such as homes, medical institutions, rehabilitation centers, etc., thus expanding the scope of application. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 This is a diagram showing the effect of the present invention when worn on a human hand joint;

[0019] Figure 2 A side view of the present invention when worn on a human hand joint;

[0020] Figure 3 It is a front view of the present invention when worn on a human hand joint;

[0021] Figure 4 A top view of the present invention when worn on a human hand joint;

[0022] Figure 5 This is a schematic diagram of the connection structure of the present invention when it is worn on a human hand joint;

[0023] Figure 6 is a side view of the present invention;

[0024] Figure 7 It is a front view of the present invention;

[0025] Figure 8 A top view of the present invention;

[0026] Fig. 9 It is a structural schematic diagram of the present invention;

[0027] Fig.10 It is a schematic diagram of the connection structure between the stretching rope and the stretching handle;

[0028] Fig.11 It is a front view of the stretch rope and the stretch handle;

[0029] Fig.12 It is a schematic diagram of the structure of the wrist connecting strap;

[0030] Fig.13 This is the effect diagram of the other side of the wrist connecting belt;

[0031] Fig.14 This is a rendering of the position of the connecting channel on the connecting seat;

[0032] Fig.15 is a schematic diagram of the position of the fixing belt;

[0033] Fig.16 This is a schematic diagram of the location of the wristband;

[0034] Fig.17 It is a schematic diagram of the external structure of the finger joint connection key;

[0035] Fig.18 It is a perspective effect diagram after the rolling ring and the annular rolling groove are connected;

[0036] Fig.19 It is a schematic diagram of the external structure after the rolling ring and the annular rolling groove are connected;

[0037] Fig. 20 This is a connection effect diagram of the rolling ring and the annular rolling groove;

[0038] Fig.21 It is a structural schematic diagram of a finger joint connecting ring;

[0039] Fig. 22 It is a schematic diagram of the side structure of the knuckle connecting ring;

[0040] Fig.23 It is a schematic diagram of the split structure of the finger joint connecting ring;

[0041] Fig.24 It is a side structural perspective view of the knuckle connecting ring;

[0042] Fig.25 It is a structural schematic diagram of a rolling ring;

[0043] Fig.26 It is a schematic diagram of the split structure of the hinge buckle;

[0044] Fig. 27 It is a schematic diagram of the side structure of the hinged buckle;

[0045] Fig.28 It is a schematic diagram of the front structure of the hinged buckle;

[0046] Fig.29 Schematic diagram of the top surface structure of the hinged buckle.

[0047] Explanation of reference numerals: 1 finger joint connection key, 11 rolling ring, 111 annular rolling groove, 12 finger joint connection ring, 121 rolling shaft, 122 inner ring, 123 outer ring, 123-1 retaining edge closing, 124 ball, 125 retaining frame, 125-1 connecting hole, 13 hinge buckle, 131 first hinge block, 131-1 first hinge tube, 131-2 hinge column, 131-3 guide column, 132 second hinge block, 132-1 second hinge tube, 132-2 hinge sleeve, 132-3 guide groove, 14 support square platform, 141 stretching hole, 2 wrist connection belt, 21 stretching handle, 22 stretching rope, 23 tension control structure, 24 connection seat, 241 connecting channel, 242 adjustment groove, 243 adjustment pressure sheet, 25 fixing belt, 251 Connecting buckle, 26 wrist straps, 261 buttonholes. DETAILED DESCRIPTION

[0048] The present invention is described in detail below in conjunction with the accompanying drawings, but the protection content of the present invention is not limited to the following:

[0049] like Figures 1 to 29 As shown, a multi-joint finger rehabilitation training device comprises a plurality of finger joint connecting keys 1, wherein the finger joint connecting keys 1 comprise a rolling ring 11 and a finger joint connecting ring 12, and each two adjacent rolling rings 11 are hingedly connected by a hinge buckle 13; the front and rear edges of the rolling ring 11 are provided with edge trimming so that an annular rolling groove 111 is formed in the rolling ring 11, and the finger joint connecting ring 12 rolls in the annular rolling groove 111, and a position limiting anti-dropping structure is provided between the finger joint connecting ring 12 and the annular rolling groove 111;

[0050] It also includes an adjustable wrist connection belt 2 and a stretching training mechanism connected to the wrist connection belt 2; the stretching training mechanism includes a stretching handle 21 and a plurality of stretching ropes 22 connected to the stretching handle 21, and the ends of the stretching ropes 22 are respectively fixedly connected to the corresponding finger joint connection rings 12;

[0051] Among them, the stretching rope 22 is movably connected to the wrist connecting strap 2, and a tension control structure 23 for controlling the stretching rope 22 is provided at the connection between the stretching rope 22 and the wrist connecting strap 2. The finger joint connecting key 1 of the present invention can be customized according to the physiological characteristics of different finger joints, such as the metacarpophalangeal joint, the middle phalanx, and the interphalangeal joint, so as to ensure that each finger joint can receive accurate rehabilitation training. Structurally, the cooperation of the stretching rope 22 and the articulated buckle 13 can be flexibly operated during the rehabilitation training process, and the user can also fine-tune or personalize the settings according to their own rehabilitation needs and the range of motion of the finger joints to ensure the effectiveness and comfort of the rehabilitation training. Moreover, the tension control structure 23 enables the user to adjust the tension of the stretching rope 22 according to their own rehabilitation needs and training progress to achieve personalized rehabilitation training.

[0052] It should be noted that the hinge buckle also serves to tightly connect each finger joint connection key 1 together, so that each finger joint connection key 1 forms a whole that works together.

[0053] Furthermore, the position-limiting and anti-slipping structure includes an annular position-limiting groove formed by folding the front and rear sides of the annular rolling groove 111 inwardly, and a position-limiting through hole is provided on the wall surface of the finger joint connecting ring 12, and a rolling shaft 121 is connected in the position-limiting through hole, and both ends of the rolling shaft 121 extend out of the position-limiting through hole and extend into the annular position-limiting groove on the corresponding side. With this structure, the rolling ring 11 and the finger joint connecting ring 12 can achieve both the purpose of position-limiting and the purpose of rollable connection.

[0054] Furthermore, the finger joint connecting ring 12 is a bearing structure, which includes:

[0055] Inner circle 122;

[0056] The outer ring 123 is sleeved on the outer periphery of the inner ring 122;

[0057] A plurality of ellipsoidal balls 124 are arranged in an annular array in a gap between the inner ring 122 and the outer ring 123;

[0058] Two retainers 125 are provided in the gap between the inner ring 122 and the outer ring 123 and on both sides of the ball 124;

[0059] The retainer 125 is provided with a plurality of connection holes 125-1 for connecting with the balls 124; the two side surfaces of the outer ring 123 are provided with flanges 123-1 for preventing the retainer 125 and the balls 124 from being separated; the inner side profile of the outer ring 123 is a curved surface to serve as a raceway for the balls 124 to roll;

[0060] The limiting through hole is arranged on the edge closing opening 123 - 1 .

[0061] It should be noted that the knuckle connection ring 12 uses a bearing structure as a core component to ensure that the pressure can be dispersed when bearing a high load, reduce wear and extend the service life. In addition, the design of the bearing structure and the rolling ring 11 also brings lower friction and operating noise, which can improve the energy saving and stable operation of the device.

[0062] Furthermore, the wrist connecting strap 2 includes a connecting seat 24 and a fixing strap 25 and a wrist strap 26 respectively fixedly connected to both sides of the connecting seat 24;

[0063] The end of the fixing belt 25 is provided with a connecting buckle 251, and the wristband 26 is provided with a plurality of buckle holes 261 that cooperate with the connecting buckle 251. The structural design of the connecting buckle 251 and the buckle holes 261 is a conventional technical solution, so it will not be described in detail.

[0064] Furthermore, the connection seat 24 is provided with a plurality of connection channels 241 movably connected to the stretching rope 22;

[0065] The tension control structure 23 includes a plurality of adjustment grooves 242 provided on the outer surface of the connection seat 24, and the adjustment grooves 242 are connected to the corresponding connection channels 241;

[0066] An adjusting pressing piece 243 is embedded in each adjusting slot 242, and the adjusting pressing piece 243 is slidably connected to the adjusting slot 242; the inner side of each adjusting pressing piece 243 is pressed against the stretching rope 22 in the connecting channel 241. The tension control structure 23 can realize a variety of different training modes and difficulty levels to meet the rehabilitation needs and interest preferences of different users.

[0067] It should be noted that pressing the pressing plate 243 can make the stretching rope 22 tighter, and the training operation after pressing the pressing plate 243 does not need to be changed, and the training can still be started by pulling the stretching rope 22 through the stretching handle 21.

[0068] Furthermore, the hinge buckle 13 includes a first hinge block 131, a second hinge block 132 and a connecting tube 133; the connecting tube 133 is fixedly connected to the side of the rolling ring 11;

[0069] A first hinge cylinder 131 - 1 that matches with the connecting cylinder 133 is disposed on a side of the first hinge block 131 , and a hinge column 131 - 2 is disposed on the other side of the first hinge block 131 ;

[0070] The second hinge block 132 has a second hinge cylinder 132-1 on its side that matches the connecting cylinder 133, and the second hinge block 132 has a hinge sleeve 132-2 on its other side that matches the hinge column 131-2.

[0071] The hinge sleeve 132-2 is provided with an L-shaped guide groove 132-3, and the hinge column 131-2 is provided with a guide column 131-3 that matches the guide groove 132-3. The connection method of the hinge buckle 13 is a conventional technical means, so it will not be described in detail.

[0072] Furthermore, a supporting square platform 14 is also provided at the bottom of the outer ring 123 of the rolling ring 11;

[0073] The support square platform 14 is provided with a stretching hole 141 for connecting with the stretching rope 22. This structural design allows the user to put the entire hand on a table or platform using the support square platform 14 after wearing the present invention, and the operation will be more labor-saving.

[0074] It should be noted that the supporting platform 14 can also be designed as a trapezoidal structure in which the upper bottom surface is smaller than the lower bottom surface, and can be adjusted according to user needs.

[0075] Furthermore, the rolling ring 11 and the finger joint connecting ring 12 are both made of aluminum alloy;

[0076] The inner ring of the knuckle connecting ring 12 is provided with medical silicone for protecting the knuckles. The medical silicone can make the knuckle connecting ring 12 feel comfortable to the user after being connected to the knuckles, so as to ensure that the user's hands will not feel fatigue or discomfort during long-term training.

[0077] In summary, the present invention provides a multi-joint finger rehabilitation training device, which can be used for the rehabilitation and recovery of the metacarpophalangeal joints, middle phalanges and interphalangeal joints. The present invention aims to solve the problem that the existing rehabilitation methods are not targeted and the effects are not significant. It includes a finger joint connection key 1, a wrist connection belt 2 and a stretching training structure. Among them, the finger joint connection key 1 can be customized according to the physiological characteristics of different finger joints (such as metacarpophalangeal joints, middle phalanges, and interphalangeal joints) to ensure that each joint can receive accurate rehabilitation training. Moreover, the finger joint connection key 1 cooperates with the stretching training mechanism to simulate various movement modes such as bending, stretching and rotation of the fingers, helping users to perform targeted rehabilitation training. The rehabilitation and rehabilitation training device of the present invention has the advantages of simple structure, easy operation, and significant training effect, and is suitable for rehabilitation training of patients with hand joint injuries, functional disorders, etc.

[0078] Although the present invention is illustrated and described by specific embodiments and their alternatives, it should be understood that various changes and modifications within the spirit and scope of the present invention can be implemented. Therefore, it should be understood that the present invention is not limited in any sense except by the limitations of the attached claims and their equivalents.

Claims

1. A multi-joint finger rehabilitation training device, characterized in that: It comprises a plurality of finger joint connection keys (1), wherein the finger joint connection keys (1) comprise a rolling ring (11) and a finger joint connection ring (12), and each two adjacent rolling rings (11) are hingedly connected via a hinge buckle (13); the front and rear edges of the rolling ring (11) are provided with edge trimming so that an annular rolling groove (111) is formed inside the rolling ring (11); the finger joint connection ring (12) is fitted in the annular rolling groove (111) and rolls; and a position limiting anti-dropping structure is provided between the finger joint connection ring (12) and the annular rolling groove (111); It also includes an adjustable wrist connection strap (2) and a stretching training mechanism connected to the wrist connection strap (2); the stretching training mechanism includes a stretching handle (21) and a plurality of stretching ropes (22) connected to the stretching handle (21), and the ends of the stretching ropes (22) are respectively fixedly connected to corresponding finger joint connection rings (12); The stretch ropes (22) are all movably connected to the wrist connection straps (2), and a tension control structure (23) for controlling the stretch ropes (22) is provided at the connection between the stretch ropes (22) and the wrist connection straps (2).

2. A multi-joint finger rehabilitation training device according to claim 1, characterized in that: The position-limiting and anti-slipping structure comprises an annular position-limiting groove formed by folding the edges of the front and rear sides of the annular rolling groove (111) inwardly, a position-limiting through hole is provided on the wall surface of the finger joint connecting ring (12), a rolling shaft (121) is connected in the position-limiting through hole, and two ends of the rolling shaft (121) extend out of the position-limiting through hole and extend into the annular position-limiting groove on the corresponding side.

3. A multi-joint finger rehabilitation training device according to claim 2, characterized in that: The finger joint connecting ring (12) is a bearing structure, which comprises: Inner circle (122); An outer ring (123) is sleeved on the outer periphery of the inner ring (122); A plurality of ellipsoidal rolling balls (124) are arranged in an annular array in a gap provided between the inner ring (122) and the outer ring (123); Two retaining frames (125) are arranged in the gap between the inner ring (122) and the outer ring (123) and on both sides of the ball (124); The retaining frame (125) is provided with a plurality of connection holes (125-1) that are matched and connected to the balls (124); the two side surfaces of the outer ring (123) are provided with retaining edge closing openings (123-1) that prevent the retaining frame (125) and the balls (124) from being separated; the inner profile of the outer ring (123) is a curved surface that serves as a raceway for the balls (124) to roll; The limiting through hole is arranged on the retaining edge closing end (123-1).

4. The multi-joint finger rehabilitation training device according to claim 1, characterized in that: The wrist connecting strap (2) comprises a connecting seat (24) and a fixing strap (25) and a wrist strap (26) respectively fixedly connected to two sides of the connecting seat (24); A connecting buckle (251) is provided at the end of the fixing strap (25), and a plurality of buckle holes (261) that cooperate with the connecting buckle (251) are provided on the wrist strap (26).

5. A multi-joint finger rehabilitation training device according to claim 4, characterized in that: The connection seat (24) is provided with a plurality of connection channels (241) movably connected to the stretch rope (22); The tension control structure (23) comprises a plurality of adjustment grooves (242) provided on the outer surface of the connection seat (24), and the adjustment grooves (242) are in communication with corresponding connection channels (241); An adjusting pressing sheet (243) is embedded in each adjusting groove (242), and the adjusting pressing sheet (243) is slidably connected to the adjusting groove (242); the inner side surface of each adjusting pressing sheet (243) is pressed against the stretching rope (22) in the connecting channel (241).

6. The multi-joint finger rehabilitation training device according to claim 1, characterized in that: The hinge buckle (13) comprises a first hinge block (131), a second hinge block (132) and a connecting tube (133); the connecting tube (133) is fixedly connected to the side of the rolling ring (11); A first hinge cylinder (131-1) matching with the connecting cylinder (133) is provided on a side of the first hinge block (131), and a hinge column (131-2) is provided on the other side of the first hinge block (131); A second hinged tube (132-1) matching with the connecting tube (133) is provided on the side of the second hinged block (132), and a hinged sleeve (132-2) matching with the hinged column (131-2) is provided on the other side of the second hinged block (132); An L-shaped guide groove (132-3) is provided on the hinge sleeve (132-2), and a guide column (131-3) matching the guide groove (132-3) is provided on the hinge column (131-2).

7. The multi-joint finger rehabilitation training device according to claim 1, characterized in that: A supporting square platform (14) is also provided at the bottom of the outer ring (123) of the rolling ring (11); The supporting square platform (14) is provided with a stretching hole (141) for connecting with a stretching rope (22).

8. The multi-joint finger rehabilitation training device according to claim 1, characterized in that: The rolling ring (11) and the finger joint connecting ring (12) are both made of aluminum alloy material; The inner ring of the finger joint connecting ring (12) is provided with medical silica gel for protecting the finger joints.

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