Patent · US Active

Systems and methods of controlling pressure within a prosthetic knee

US7691154B2 · kind B2 · utility

107Cited by

133References

20Claims

0Family size

Assignee

Össur hf · IS

Inventors

Sigurdur Asgeirsson · Beaconsfield, CA
Charles R. Bisbee, III · Mission Viejo, US
Henry Hsu · Aliso Viejo, US

Key dates

Filing date	May 6, 2005
Grant date	Apr 6, 2010
Priority date	—
Expiry date	Oct 26, 2028

Classification

Technology area (CPC A)Human Necessities
CPC primaryA61F2002/769
WIPO fieldMedical technology
WIPO sectorInstruments

Abstract

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.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.