The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Apr. 06, 2010
Filed:
May. 06, 2005
Applicants:
Sigurdur Asgeir Asgeirsson, Gardabaer, IS;
Charles R. Bisbee, Iii, Mission Viejo, CA (US);
Henry H. Hsu, Aliso Viejo, CA (US);
Inventors:
Sigurdur Asgeir Asgeirsson, Gardabaer, IS;
Charles R. Bisbee, III, Mission Viejo, CA (US);
Henry H. Hsu, Aliso Viejo, CA (US);
Assignee:
Össur hf, Reykjavik, IS;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A61F 2/64 (2006.01); A61F 2/74 (2006.01); F16F 9/53 (2006.01);
U.S. Cl.
CPC ...
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.