Vibration-absorbing device for an artificial lower limb

Details Vibration-absorbing device for an artificial lower limb Vibration-absorbing device for an artificial lower limb

2006-09-05

2006-09-05

Snow, Bruce (Department: 3738)

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

Leg

Socket holder

C623S027000, C623S050000

Reexamination Certificate

active

07101403

ABSTRACT:
A vibration-absorbing device for an artificial lower limb includes a knee-connecting tube attached to a prosthetic knee unit, an ankle-connecting member attached to a prosthetic foot and ankle unit, and an upright connecting rod having an upper end disposed movably within the tube, and a lower end connected fixedly to the ankle-connecting member. A coiled compression spring is sleeved on the connecting rod between the knee unit and the foot and ankle unit so as to bias the connecting rod to move downwardly relative to the tube to a predetermined position, thereby retarding movement of the connecting rod in an axial direction of the tube. A cushion member is made of a resilient material, is sleeved on the ankle-connecting member, and is disposed within the tube so as to retard movement of the connecting rod in a transverse direction of the tube.

REFERENCES:
patent: 3706465 (1972-12-01), Olowinski
patent: 4883493 (1989-11-01), Martel et al.
patent: 5984972 (1999-11-01), Huston et al.
patent: 6080197 (2000-06-01), Chen
patent: 6214056 (2001-04-01), Wilkinson
patent: 6302918 (2001-10-01), Gramnas
patent: 6488717 (2002-12-01), McColl et al.
patent: 2003/0018393 (2003-01-01), Skiera

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