| 摘要 |
A prosthesis of the hand and including a thumb and at least one finger, and other fingers as may be required, and a forearm socket, and comprised of at least said one finger articulated and biased in opposition to an adjustably fixed thumb, thereby providing a grip adapted to yield to forcible entry of an object therein and released by angular movement of the upper arm relative to the lower arm through a pull cord that operates to withdraw said finger or fingers from prehensile grasp with an object held against the thumb by said bias.
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