Dynamic orthotic knee extension assist device

Details Dynamic orthotic knee extension assist device Dynamic orthotic knee extension assist device

1977-03-25

1978-07-18

Frinks, Ronald L.

Surgery

Truss

Perineal

128 80G, 3 1, 3 22, A61F 300, A61F 500

Patent

active

041009185

ABSTRACT:
This application discloses a dynamic knee extension assist device for paraplegic patients and others needing such a device. Cuffs adapted to be secured to a patient's thigh are provided along with mounting means adapted to be secured to a patient's leg below the knee. An elongated elastic member is provided with a means for removably mounting each end thereof to the cuff means at a predetermined tension. Also provided is means for pivotally securing the elastic means intermediate its ends to the mounting means. A lateral knee brace is rigidly disposed between the cuff and the mounting means. The elastic member provides a flexion moment when the patient is seated. As the patient arises, the flexion moment progressively diminishes and then converts to a progressively increasing extension moment as the patient continues to rise.

REFERENCES:
patent: 1072369 (1913-09-01), Spahn
patent: 2174719 (1939-10-01), Dresser
patent: 2536454 (1951-01-01), McIntyre
patent: 2573866 (1951-11-01), Murphy
patent: 2827897 (1958-03-01), Pawlowski

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