Wrist rehabilitation device

Abstract

The invention discloses a wrist rehabilitation device which comprises a forearm supporting unit, a wrist inward and outward turning unit and a wrist composite unit. A forearm supporting base of the forearm supporting unit is fixedly connected with a connecting supporting block of the wrist inward and outward turning unit, and a big gear of the wrist inward and outward turning unit is connected with a left supporting arm and a right supporting arm in the wrist composite unit; the wrist inward and outward turning unit comprises a big gear, an outer retaining ring, a bearing, an inner retaining ring, a connecting support block, a small gear and a first motor, wherein the bearing is nested in an inner ring of the big gear, the outer ring of the bearing is fixed through the outer retaining ring, the inner retaining ring penetrates into the inner ring of the bearing and is assembled on the connecting support block, the small gear is assembled on an output shaft of the first motor, and the small gear is meshed with the big gear. The first motor is fixedly mounted on the connecting support block. According to the wrist rehabilitation device, the wrist of a patient can be driven to performthree-degree-of-freedom movements of palm flexion / dorsiflexion, varus / valgus and adduction / abduction, so that the movement range of the arm of the standard human body is achieved, and the patient canperform more effective rehabilitation training.

Description

technical field [0001] The invention relates to a medical rehabilitation device, in particular to a three-degree-of-freedom wrist rehabilitation device. Background technique [0002] With the aggravation of the aging population in our country, there are more and more cases of loss of limb function caused by stroke and cerebrovascular accident, which brings a heavy burden to patients and their families. In addition, related complications caused by stroke and other diseases are also increasing, especially the loss of upper limb motor function, which greatly affects the ability of patients in daily life. The clinical rehabilitation method for hemiplegia patients is that the rehabilitation physician spends a lot of time on the patient for one-on-one treatment with bare hands, and the effect of training and rehabilitation largely depends on the clinical experience of the rehabilitation physician or the use of large-scale medical rehabilitation equipment in the hospital, which con...

AI Technical Summary

Problems solved by technology

In addition, related complications caused by stroke and other diseases are also increasing, especially the loss of upper limb motor function, which greatly affects the ability of patients in daily life

The clinical rehabilitation method for hemiplegia patients is that the rehabilitation physician spends a lot of time on the patient for one-on-one treatment with bare hands, and the effect of training and rehabilitation largely depends on the clinical experience of the rehabilitation physician or the use of large-scale medical rehabilitation equipment in the hospital, which consumes a lot of time. human, material and financial resources

In view of the large size of most medical rehabilitation devices, it is not easy to move when used in hospitals, and cannot achieve multiple degrees of freedom. In order to realize the home use and portability of rehabilitation robots, it is urgent to invent a simple three-degree-of-freedom wrist rehabilitation device.

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