Joint movement assisting device for independently assisting joints
By designing joint motion assist devices that assist independent joints, using hand-holding assist devices and motor pneumatic systems, the problem of traditional devices restricting patients' free movement and requiring assisted adjustments from others is solved, and the patient's flexibility in free movement and single-person operation during the rehabilitation process is achieved.
Patent Information
- Application Number
- CN202420670954.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-04-02
- Publication Date
- 2025-03-04
- Estimated Expiration
- 2034-04-02
AI Technical Summary
Traditional joint assist devices need to be fixed next to the bed frame when used, which limits the patient's free movement and comprehensive rehabilitation, and requires assisted adjustment from others, resulting in difficulty in single operation.
An articulation assisting device for independent assisting joints is designed, including an upper fixing frame, an elastic strap, a lower fixing frame and a hand grip assisting device. The adjustment of hand grip strength and independent assisting movement of joints are achieved through the motor and pneumatic system.
The device allows the patient to move freely during rehabilitation exercise, improves the mentality during rehabilitation, and controls the force of the grip through single-person operation, improving the flexibility of the auxiliary device.
Smart Images

Figure CN222549562U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the field of motion assisting equipment, in particular to a joint motion assisting device which independently assists joints. Background Art
[0002] The elbow joint is composed of the distal end of the humerus and the proximal articular surface of the radius and ulna. Structurally, it includes three joints, which are all contained in a joint capsule. After the treatment of elbow injuries, certain rehabilitation exercises are required to speed up recovery. During the rehabilitation exercises, joint assist devices are usually used to help recovery.
[0003] Traditional joint assist devices are usually connected to a fixed bed frame when in use, so that patients can only perform rehabilitation exercises on the bed, which has a certain obstruction to the patient's psychological and comprehensive rehabilitation. At the same time, when rehabilitation exercises are needed, others are needed to assist in adjusting the function size of the assist device, which causes certain troubles for single-person operation. For this reason, the utility model proposes a joint movement assist device with an independent auxiliary joint to solve the above problems. Utility Model Content
[0004] The purpose of the utility model is to provide a joint motion assisting device which independently assists joints, so as to solve the problems raised in the above-mentioned background technology.
[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a joint movement assisting device for an independent auxiliary joint, comprising an upper fixing frame, the lower end of the upper fixing frame is fixedly connected to an elastic band, the lower end of the elastic band is fixedly connected to a lower fixing frame, and the side end of the lower fixing frame is fixedly connected to a hand-grip assisting device; the upper end of the upper fixing frame is fixedly connected to an elastic band, the upper end of the elastic band is fixedly connected to a motor fixing frame, the side end of the motor fixing frame is fixedly connected to a motor slot, and a hand-grip assisting device is sleeved in the motor slot.
[0006] Preferably, the hand-held auxiliary device includes a hand-held transformer assembly, the inner end of the hand-held transformer assembly is electrically connected to a connecting wire, the end of the connecting wire is fixedly connected to a pneumatic motor, the output end of the pneumatic motor is fixedly connected to a pneumatic rod, the end of the pneumatic rod is fixedly connected to a pneumatic telescopic shaft block, the upper end of the pneumatic telescopic shaft block is provided with a main connecting rod, the end of the main connecting rod is coaxially provided with a secondary connecting rod, and the shaft sleeve at the right end of the secondary connecting rod is provided with a fixed shaft frame.
[0007] Preferably, the fixed rotating shaft frame is fixedly connected to the side end of the upper fixed frame, and a pneumatic groove is opened at the upper end of the fixed rotating shaft frame, and a pneumatic telescopic rotating shaft block is provided in the pneumatic groove and a sliding sleeve is clamped in the pneumatic groove.
[0008] Preferably, a pneumatic motor is fixedly mounted in the motor slot.
[0009] Preferably, the outer end of the lower fixing frame is fixedly connected with a lower rotating shaft, and the outer side of the lower rotating shaft is sleeved with one end of a main connecting rod and one end of a secondary connecting rod.
[0010] Compared with the prior art, the beneficial effects of the utility model are:
[0011] The utility model provides a hand-grip auxiliary device so that the patient can move freely without restriction when performing auxiliary rehabilitation exercises on the elbow joint, thereby improving the patient's mentality during rehabilitation. At the same time, the hand-grip force control device can adjust the force, which can be operated by one person, thereby improving the flexibility of operating the auxiliary device. BRIEF DESCRIPTION OF THE DRAWINGS
[0012] Figure 1 It is a structural schematic diagram of the utility model;
[0013] Figure 2 It is a schematic diagram of the connection of some structures of the utility model;
[0014] Figure 3 It is a schematic diagram of part of the internal structure of the utility model.
[0015] In the figure: 1 grip force transformer assembly, 2 connecting wire, 3 lower fixing frame, 4 upper fixing frame, 5 elastic strap, 6 motor fixing frame, 7 motor slot, 8 pneumatic rod, 9 main connecting rod, 10 auxiliary connecting rod, 11 fixed rotating shaft frame, 12 pneumatic slot, 13 pneumatic motor, 14 pneumatic telescopic rotating shaft block. DETAILED DESCRIPTION
[0016] In order to make the purpose and technical solution of the utility model clearly and completely described, and the advantages more clearly understood, the embodiments of the utility model are further described in detail in conjunction with the accompanying drawings. It should be understood that the specific embodiments described here are part of the embodiments of the utility model, not all of the embodiments, and are only used to explain the embodiments of the utility model, and are not used to limit the embodiments of the utility model. All other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.
[0017] In the description of the present utility model, it should be noted that the terms "center", "middle", "upper", "lower", "left", "right", "inner", "outer", "top", "bottom", "side", "vertical", "horizontal" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operate in a specific orientation, and therefore cannot be understood as a limitation on the present utility model. In addition, the terms "one", "first", "second", "third", "fourth", "fifth", "sixth" are used for descriptive purposes only, and cannot be understood as indicating or implying relative importance.
[0018] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.
[0019] For the purpose of simplicity and illustration, the principles of the embodiments are mainly described by reference to examples. In the following description, many specific details are proposed to provide a thorough understanding of the embodiments. However, it is obvious that for those of ordinary skill in the art, these embodiments may not be limited to these specific details in practice. In some instances, known methods and structures are not described in detail to avoid making these embodiments unnecessarily difficult to understand. In addition, all embodiments can be used in combination with each other.
[0020] See also Figures 1 to 3 The utility model provides a technical solution: a joint motion assisting device for an independent auxiliary joint, comprising an upper fixing frame 4, the lower end of the upper fixing frame 4 is fixedly connected to an elastic bandage 5, the lower end of the elastic bandage 5 is fixedly connected to a lower fixing frame 3, and the side end of the lower fixing frame 3 is fixedly connected to a hand-grip assisting device; the upper end of the upper fixing frame 4 is fixedly connected to an elastic bandage 5, the elastic bandage 5 is arranged to be semi-open to prevent complete wrapping from causing contact and friction at the injured joint position, the upper end of the elastic bandage 5 is fixedly connected to a motor fixing frame 6, the side end of the motor fixing frame 6 is fixedly connected to a motor slot 7, and a hand-grip assisting device is sleeved in the motor slot 7.
[0021] The hand-gripping auxiliary device includes a hand-gripping transformer assembly 1, which can provide voltages of different strengths according to different gripping forces, so as to adjust the auxiliary strength of the hand-gripping auxiliary device. The inner end of the hand-gripping transformer assembly 1 is electrically connected to a connecting wire 2, and the end of the connecting wire 2 is fixedly connected to a pneumatic motor 13. The output end of the pneumatic motor 13 is fixedly connected to a pneumatic rod 8, and the end of the pneumatic rod 8 is fixedly connected to a pneumatic telescopic rotating shaft block 14. The upper end of the pneumatic telescopic rotating shaft block 14 is rotatably sleeved with a main connecting rod 9, and the end of the main connecting rod 9 is coaxially sleeved with a secondary connecting rod 10. The right end of the secondary connecting rod 10 is sleeved with a fixed rotating shaft frame 11, and the outer end of the lower fixed frame 3 is fixedly connected to a lower rotating shaft, and the outer side of the lower rotating shaft is sleeved with one end of the main connecting rod 9 and one end of the secondary connecting rod 10. When the pneumatic rod 8 is extended or retracted, the pneumatic telescopic rotating shaft block 14 is driven to slide in the pneumatic groove 12, so that the main connecting rod 9 rotates. At the same time, under the limit of the secondary connecting rod 10, the lower fixed frame 3 drives the arm to rotate.
[0022] The fixed rotating shaft frame 11 is fixedly connected to the side end of the upper fixed frame 4, and a pneumatic groove 12 is opened at the upper end of the fixed rotating shaft frame 11. A pneumatic telescopic rotating shaft block 14 is provided in the sliding sleeve of the pneumatic groove 12, and a pneumatic motor 13 is provided in the fixed sleeve of the motor groove 7. The pneumatic groove 12 can make the pneumatic telescopic rotating shaft block 14 slide stably.
[0023] In actual use, the hand-held transformer assembly 1 can provide voltages of different intensities according to different gripping forces, so as to adjust the auxiliary strength of the hand-held auxiliary device. The output end of the pneumatic motor 13 is fixedly connected to the pneumatic rod 8, and the end of the pneumatic rod 8 is fixedly connected to the pneumatic telescopic shaft block 14. The upper end of the pneumatic telescopic shaft block 14 is rotatably sleeved with a main connecting rod 9, and the end of the main connecting rod 9 is coaxially sleeved with a secondary connecting rod 10. The right end of the secondary connecting rod 10 is sleeved with a fixed shaft frame 11, and the outer end of the lower fixed frame 3 is fixedly connected to a lower shaft, and the outer side of the lower shaft is sleeved with one end of the main connecting rod 9 and one end of the secondary connecting rod 10. When the pneumatic rod 8 is extended or retracted, the pneumatic telescopic shaft block 14 is driven to slide in the pneumatic groove 12, so that the main connecting rod 9 rotates. At the same time, under the limit of the secondary connecting rod 10, the lower fixed frame 3 drives the arm to rotate.
[0024] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.
Claims
1. A joint motion assisting device for independently assisting a joint, characterized in that: include An upper fixing frame (4), wherein the lower end of the upper fixing frame (4) is fixedly connected to an elastic band (5), the lower end of the elastic band (5) is fixedly connected to a lower fixing frame (3), and the side end of the lower fixing frame (3) is fixedly connected to a hand-gripping auxiliary device; The upper end of the upper fixing frame (4) is fixedly connected to an elastic band (5), the upper end of the elastic band (5) is fixedly connected to a motor fixing frame (6), the side end of the motor fixing frame (6) is fixedly connected to a motor slot (7), and a hand-grip auxiliary device is sleeved in the motor slot (7).
2. The joint motion assisting device of the independent auxiliary joint according to claim 1, characterized in that: The hand-held auxiliary device comprises a hand-held transformer assembly (1), the inner end of the hand-held transformer assembly (1) is electrically connected to a connecting wire (2), the end of the connecting wire (2) is fixedly connected to a pneumatic motor (13), the output end of the pneumatic motor (13) is fixedly connected to a pneumatic rod (8), the end of the pneumatic rod (8) is fixedly connected to a pneumatic telescopic rotating shaft block (14), the upper end of the pneumatic telescopic rotating shaft block (14) is rotatably sleeved with a main connecting rod (9), the end of the main connecting rod (9) is coaxially sleeved with a secondary connecting rod (10), and the right end of the secondary connecting rod (10) is sleeved with a fixed rotating shaft frame (11).
3. The joint motion assisting device of the independent auxiliary joint according to claim 2, characterized in that: The fixed rotating shaft frame (11) is fixedly connected to the side end of the upper fixed frame (4), and a pneumatic groove (12) is provided at the upper end of the fixed rotating shaft frame (11). A pneumatic telescopic rotating shaft block (14) is provided in the pneumatic groove (12) and a sliding sleeve is clamped in the pneumatic groove (12).
4. The joint motion assisting device of an independent auxiliary joint according to claim 1, characterized in that: A pneumatic motor (13) is fixedly sleeved in the motor slot (7).
5. The joint motion assisting device of an independent auxiliary joint according to claim 1, characterized in that: The outer end of the lower fixing frame (3) is fixedly connected to a lower rotating shaft, and one end of a main connecting rod (9) and one end of a secondary connecting rod (10) are sleeved on the outer side of the lower rotating shaft.