Clinical application of the modified medially-mounted motor-driven hip gear joint for paraplegics

Authors: Sonoda S.; Imahori R.; Saitoh E.; Tomita Y.; Domen K.; Chino N.

Source: Disability and Rehabilitation, Volume 22, Number 6, 15 April 2000 , pp. 294-297(4)

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Abstract:

Purpose: This paper describes a motor-driven orthosis for paraplegics which has been developed. This orthosis is composed of a medially-mounted motor-driven hip joint and bilateral knee-ankle-foot orthosis. With the gear mechanism, the virtual axis of the hip joint of this orthosis is almost as high as the anatomical hip joint. Method: A paraplegic patient with an injury level of T10/11 walked using bilateral lofstrand crutches and this new orthosis with or without the motor system. The motor is initiated by pushing a button attached at the edge of the grab of the crutches. Result: Faster cadence and speed and smaller rotation angle of the trunk was obtained in motor walking compared with nonmotor walking. The patient did not feel fearful of falling. Conclusion: The benefit of motor orthosis is that it can be used even in patients with lower motor lesions and that it provides stable regulation of hip flexion movement in spastic patients. In conclusion, this motor orthosis will enhance paraplegic walking.

Language: English

Document Type: Research article

Publication date: 2000-04-15

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