Prehensile thumb and finger prosthesis

Details Prehensile thumb and finger prosthesis Prehensile thumb and finger prosthesis

1985-10-04

1987-08-11

Apley, Richard J.

Prosthesis (i.e., artificial body members), parts thereof, or ai

Arm or component and actuator or connector therefor

Arm or torso initiated finger actuation

623 64, A61F 258

Patent

active

046859241

ABSTRACT:
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.

REFERENCES:
patent: 908881 (1909-01-01), Nelsen
patent: 1271448 (1918-01-01), Dorrance
patent: 1323671 (1919-12-01), Baehr
patent: 1417267 (1922-05-01), McElroy
patent: 1423296 (1922-07-01), Armstrong
patent: 1466163 (1923-08-01), Harris
patent: 1499052 (1924-06-01), Carson
patent: 1725588 (1929-08-01), Kosek
patent: 2347909 (1944-05-01), Jarrett
patent: 2487724 (1949-11-01), Pilson
patent: 2542316 (1951-02-01), Farrar, Jr.
patent: 2556524 (1951-06-01), Drennon
patent: 4291421 (1981-09-01), Massey et al.

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