07691154 is referenced by 66 patents and cites 185 patents.

The invention in some embodiments relates to systems and methods of controlling pressure within a prosthetic knee. The knee in one embodiment comprises a flexible diaphragm that substantially prevents or mitigates undesirable pressure build-up in a sealed chamber of the knee. The knee in another embodiment comprises a compressible gas in the chamber that substantially prevents or mitigates undesirable pressure build-up in the chamber.

Title
Systems and methods of controlling pressure within a prosthetic knee
Application Number
11/124637
Publication Number
7691154 (B2)
Application Date
May 6, 2005
Publication Date
April 6, 2010
Inventor
Henry H Hsu
Aliso Viejo
CA, US
Charles R Bisbee III
Mission Viejo
CA, US
Sigurdur Asgeir Asgeirsson
Gardabaer
IS
Agent
Knobbe Martens Olson & Bear
Assignee
Össur hf
IS
IPC
F16F 9/53
A61F 2/74
A61F 2/64
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