Flexible wearable hand rehabilitation robot driven by memory alloy wire

Abstract

The invention relates to a medical rehabilitation training device, in particular to a flexible wearable hand rehabilitation robot driven by a memory alloy wire. The flexible wearable hand rehabilitation robot comprises a driving part and an execution part, wherein the execution part comprises a pollex part, an index finger part, a middle finger part, a ring finger part, a little finger part, a connecting plate and a hand back plate, the hand back plate is connected with the driving part through the connecting plate, and the pollex part, the index finger part, the middle finger part, the ring finger part and the little finger part which are identical in structure each comprises a wire piece, a rigid line and a fingerstall. The wire piece of the pollex part is connected with the execution part, the wire pieces of the other four finger parts are connected with the hand back plate, one end of each rigid line is connected with the corresponding fingerstall, the other ends of the rigid linespenetrate through guide holes in the wire pieces and are connected with the driving part, and the fingerstalls are used for being put on the fingers of a user. The structure is compact, the weight islow, the portability and the wearability are high, power is transmitted by using the rigid lines, and the robot has a wearable flexibility. In the hand rehabilitation process, the training safety canbe ensured.

Description

technical field [0001] The invention relates to medical rehabilitation training equipment, in particular to a flexible wearable hand rehabilitation robot driven by a memory alloy wire. Background technique [0002] At present, the clinical rehabilitation of hand function mainly relies on rehabilitation therapists to guide patients to perform long-term repetitive functional recovery training, which consumes high time and labor costs. The robot system for hand rehabilitation can perform long-term periodic movements, which can not only reduce the work intensity of the rehabilitation teacher, but also improve the efficiency of rehabilitation training, providing a new solution for the rehabilitation of hand functions. [0003] Most of the existing hand rehabilitation robots are composed of rigid components such as connecting rods, gears, and motors, which cover the top of the fingers and drive the fingers to move synchronously. Due to the fixed position of the joints of the rigi...

AI Technical Summary

Problems solved by technology

Due to the fixed position of the joints of the rigid structure, the dislocation of the joints of the robot and the finger joints often occurs during rehabilitation training, which not only greatly reduces the rehabilitation effect, but also brings discomfort and safety hazards to the patients, which affects the enthusiasm of the patients for training.

At the same time, the rigid structure is generally large in size and high in weight, which greatly reduces the safety and portability of wearing and using.

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