Multi-axis ankle joint artificial limb

Abstract

The invention discloses a multi-axis ankle joint artificial limb and belongs to the technical field of bionic human body prostheses. The multi-axis ankle joint artificial limb comprises an upper part, a lower part, a joint shaft part and a spring, and the space angle of a joint shaft can be adjusted by adjusting the positions of all mechanisms, so that the prosthesis can be attached to a human body ankle joint structure to the greatest extent, and the prosthesis has the advantages of few parts, simple adjustment mode and low cost. Adjustment can be carried out by taking 1 degree as a unit, the adjusting effect is high in reliability, the space size is small, the matching degree with people is high, the structure is stable, and shaking is not likely to happen. The structure is simple, a wearer can conveniently adjust the joint axis angle suitable for himself / herself, the comfort degree of the wearer is high, the movement coordination of the limb on the affected side and the limb on the normal side can be improved, different road surface changes can be adapted, and the energy consumption of the wearer is reduced.

Description

technical field [0001] The invention belongs to the technical field of bionic human prosthesis, in particular to a multi-axis ankle joint prosthesis. Background technique [0002] At present, most of the ankle prostheses on the market have a single-axis structure, while the human ankle joint axis exists in the form of multiple axes. Therefore, the kinematic characteristics of the single-axis ankle prosthesis are quite different from those of healthy human limbs. During the process, the body feels uncomfortable, the walking gait is unnatural, and the energy consumption is high. The two-axis spatial angles of the existing multi-axis ankle prosthetic products on the market are fixed. For different amputee patients, the angles of the ankle joints of their healthy limbs are different, resulting in a low degree of personalized adaptation of such products. The adaptability of the road surface is low, and the movement coordination of the wearer's affected and normal limbs is poor. ...

AI Technical Summary

Problems solved by technology

[0002] At present, most of the ankle prostheses on the market have a single-axis structure, while the human ankle joint axis exists in the form of multiple axes. Therefore, the kinematic characteristics of the single-axis ankle prosthesis are quite different from those of healthy human limbs. Body discomfort during the process, unnatural walking gait, high energy consumption

The two-axis spatial angles of the existing multi-axis ankle prosthetic products on the market are fixed. For different amputee patients, the angles of the ankle joints of their healthy limbs are different, resulting in a low degree of personalized adaptation of such products. The adaptability of the road surface is low, and the movement coordination of the wearer's affected side and the normal side is poor

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