Electrically driven artificial arm

Details Electrically driven artificial arm Electrically driven artificial arm

1983-03-01

1985-06-11

Frinks, Ronald L.

3 123, 3 124, A61F 100, A61F 106

Patent

active

045219249

ABSTRACT:
A prosthesis for a person with an amputation above the elbow is provided in which elbow motion is provided by an electrical motor contained within the prothesis. Operation of the motor is controlled by electric impulses from selected opposing muscle pairs on the amputee. The prosthesis is constructed with both internal and external modules which are readily replaceable. An electrically operated lock mechanism is provided for locking the elbow motion of the prosthesis. The locking mechanism is controlled by logic circuitry which in turn operates in response to electric impulses from the pair of muscles on the amputee. Novel means are also included which provide passive wrist movement and humeral rotation of the prosthesis. A removable battery module comprising rechargeable storage cells provides power for the motor and the electrically operated lock mechanism.

REFERENCES:
patent: 1423296 (1922-07-01), Armstrong
patent: 1475119 (1923-11-01), Hulsmann et al.
patent: 2553830 (1951-05-01), Motis
patent: 2572914 (1951-10-01), Chapman et al.
patent: 3382506 (1968-05-01), Collins et al.
patent: 3491378 (1978-01-01), Ioffe et al.
patent: 3557387 (1971-01-01), Ohlenbusch et al.
patent: 3798680 (1974-03-01), Prout
patent: 3866246 (1975-02-01), Seamone et al.
patent: 4074367 (1978-01-01), Loveless

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