Knee prosthesis

Details Knee prosthesis Knee prosthesis

1999-02-16

2000-12-12

Snow, Bruce

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

Leg

Knee

A61F 264

Patent

active

06159248&

ABSTRACT:
A knee prosthesis has two pivotally interconnected members (10,11) carrying a locking device (17) and a first end a second axle (20,21). The first axle (20) forms a bearing axle for the locking device and the second axle (21) cooperates with the locking device for activation thereof. The second axle (21) is located at a distance behind the first axle (20) and is arranged to act upon the locking device in such a way that when the line of action (26) from a load on the knee prosthesis passes through the second axle (21) or between the first (20) and the second axle, said second axle will act upon the locking device to activate it, while when said line of action (26) passes through the first axle or in front of it the second axle (21) will be unloaded and the locking device (17) inactivated.

REFERENCES:
patent: 2551537 (1951-05-01), Havens
patent: 3694823 (1972-10-01), May
patent: 3723997 (1973-04-01), Kolman
patent: 3934273 (1976-01-01), Mortensen
patent: 3982279 (1976-09-01), Valenti et al.
patent: 4206519 (1980-06-01), Blatchford et al.
patent: 4351070 (1982-09-01), Blatchford
patent: 5755813 (1998-05-01), Krukenberg
patent: 5899943 (1999-05-01), Shiraishi et al.

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