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An ankle rehabilitation device

A rehabilitation device and ankle joint technology, applied in passive exercise equipment, physical therapy and other directions, can solve problems such as increasing control difficulty, and achieve the effects of reducing the risk of secondary injury, increasing stiffness, and reducing force

Active Publication Date: 2021-04-30
BEIJING UNIV OF TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The control should be relatively simple, and motor redundancy will increase the difficulty of control

Method used

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Embodiment Construction

[0022] The present invention will be described in detail below in conjunction with the implementations shown in the drawings, but it should be noted that these implementations are not limitations of the present invention, and those of ordinary skill in the art based on the functions, methods, or structures of these implementations All equivalent transformations or substitutions are within the protection scope of the present invention.

[0023] ginseng Figure 1 to Figure 13 as shown, figure 1 is an axonometric view of an ankle joint rehabilitation device of the present invention, figure 2 It is the front view of an ankle joint rehabilitation device of the present invention, image 3 It is the right view of an ankle joint rehabilitation device of the present invention, Figure 4 is the axonometric view of the constraint branch, Figure 5 The cross-sectional view of the restrained branch chain on the A-A plane, Figure 6 is the cross-sectional view of the constrained branc...

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Abstract

The invention relates to an ankle joint rehabilitation device, which comprises a moving platform, two motion branch chains, restraint branch chains, a motor drive unit for the restraint branch chains, a synchronous belt drive unit for the restraint branch chains and a base. The moving platform includes an adjustable foot baffle, an up and down adjustment device, an upper platform and a lower platform, and two symmetrically arranged movement branch chains and restraining branch chains jointly connect the moving platform and the base. Through the above structure, the present invention can meet the needs of different patients for ankle joint rehabilitation, constrain the branch chain so that the movable platform has three rotational degrees of freedom, and at the same time make the rotational center of the movable platform coincide with the ankle joint motion center of the human body, reducing the patient's secondary risk of injury. The invention reduces the height of the moving platform from the ground, and the patient can sit on an ordinary seat to complete rehabilitation treatment. The base bears most of the weight of the legs of the human body, which reduces the pressure on the moving platform from the feet, and cooperates with the restraint branch chain The load-bearing capacity increases the rigidity of the device.

Description

technical field [0001] The invention relates to an ankle joint rehabilitation device, in particular to a parallel mechanism for assisting ankle joint rehabilitation treatment. Background technique [0002] The ankle joint is one of the weight-bearing joints of the human body, and it is also the hub of contact between the human body and the ground, which can help the human body complete a series of daily actions. Insufficient muscle strength, poor stability and coordination of the ankle joint make the ankle joint extremely vulnerable to injury in daily life. After the ankle joint is injured, it is not easy to heal, and it is easy to form swelling and chronic pain. People with sports injuries, the elderly, and cardiovascular and cerebrovascular diseases Patients with hemiplegia caused by diseases are common patients with ankle joint injuries. Ankle joint injuries not only affect the normal life and work of patients, but if the treatment is not timely or thorough, it is easy to...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A61H1/02
CPCA61H1/0266A61H2201/0149A61H2201/0192A61H2201/1207A61H2201/1642A61H2203/0431A61H2205/12
Inventor 李剑锋左世平张雷雨张子康张凯
Owner BEIJING UNIV OF TECH
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