MOVABLE FINGER FOR PROSTHESES, UPPER EXTREMITY PROSTHESES USING THIS MOVABLE FINGER, AND MOVABLE FINGER CONTROLLER

摘要

A movable finger for prostheses, having a base (1), etc. disposed between th e back of the hand and the palm of the hand, comprising a first intermediate bending mechanism (22) for actuating an actuator (12) to pull a first wire (11) to turn an eccentric member (17), bending a first intermediate portion (3) by the eccentric member (17) through a first intermediate spring (19) an d straightening it by a first intermediate spring (21), a second intermediate bending mechanism (30) for pulling a second wire (23) passed around a pulley (24) by the eccentric member (17) to bend a second intermediate portion (5) by a third wire (27) connected to the pulley (24) and straightening it by a second intermediate spring (29), and a fingertip bending mechanism (36) for bending a figertip (7) by a fourth wire (32) connected to the first intermediate portion (3) and staightening it by a fifth wire (34) connected to the first intermediate portion (3).