Prosthetic knee and rotary hydraulic chamber

Details Prosthetic knee and rotary hydraulic chamber Prosthetic knee and rotary hydraulic chamber

2006-06-27

2006-06-27

Snow, Bruce (Department: 3738)

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

Leg

Knee

C623S046000

Reexamination Certificate

active

07066964

ABSTRACT:
An improved prosthetic knee joint utilizes a rotary hydraulic chamber with internal flow control and positioned with hydraulic chamber opposite the upper joint section. A polycentric knee joint is provided with a forward flexion bumper and a cable extension assist for improved gait performance.

REFERENCES:
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patent: 5314498 (1994-05-01), Gramnas
patent: 5704945 (1998-01-01), Wagner
patent: 5728173 (1998-03-01), Chen
patent: 5800566 (1998-09-01), Gramnas
patent: 5888212 (1999-03-01), Petrofsky
patent: 6106560 (2000-08-01), Boender
patent: 6113642 (2000-09-01), Petrofsky
patent: 6423098 (2002-07-01), Biedermann
Otto Bock-Habermann Modular Knee Joint, Polycentric, Four Bar Linkage Product Manual.
Otto Bock Modular Knee Joint with Rotary Hydraulic—Model 3R80—Product Manual.
Otto Bock Modular Knee Joint with Rotary Hydraulic—Model 3R80=1—Product Manual.
Otto Bock Modular Single Axis Knee Joint with Stance Control and Constant Friction Product Manual.
Otto Bock Modular Single Axis Knee Joints with Internal Extension Assist and Constant Friction Product Manual.
OSSUR Total Knee 2100 Geometric Locking System Product Manual.
OSSUR Total Knee 2000 Geometric Locking System Product Manual.
OSSUR Academy Alignment Recommendation Total Knee Presentation.

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