| 摘要 |
FIELD: medical equipment. ^ SUBSTANCE: shoulder prosthesis contains sleeves of shoulder, forearm, artificial hand, and ulnar lock control set. The latter includes: segment gear, first double-arm lever with tooth interacting with segment gear. Besides, the prosthesis contains forward and back control rods. Hand control unit includes a roller interacting with hand through rigid rod. The prosthesis contains second double-arm lever one end of which is attached to forward rod to control ulnar fixation and release. The second end of second double-arm lever is pivotally connected with first double-arm lever through suspension arm. Back rod interacts with the roller of hand control unit, rigidy connected to segment gear. ^ EFFECT: higher level of exertion for finger opening control and higher finger grip strength. ^ 1 dwg |
