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.

Date of Patent:
Sep. 15, 2020

Filed:

Apr. 07, 2017
Applicant:

Rehabilitation Institute of Chicago, Chicago, IL (US);

Inventors:

Tommaso Lenzi, Chicago, IL (US);

Marco Cempini, Chicago, IL (US);

Todd Kuiken, Chicago, IL (US);

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A61F 2/66 (2006.01); A61F 2/70 (2006.01); A61F 2/50 (2006.01); A61F 2/68 (2006.01); A61F 2/76 (2006.01);
U.S. Cl.
CPC ...
A61F 2/6607 (2013.01); A61F 2/70 (2013.01); A61F 2002/5018 (2013.01); A61F 2002/5021 (2013.01); A61F 2002/5027 (2013.01); A61F 2002/5038 (2013.01); A61F 2002/6614 (2013.01); A61F 2002/6836 (2013.01); A61F 2002/701 (2013.01); A61F 2002/7635 (2013.01);
Abstract

Systems and methods are disclosed for a powered ankle prosthesis. The prosthesis may comprise a polycentric mechanism having a defined path for an instantaneous center of rotation. The path of the instantaneous center of rotation may be defined by a trajectory substantially equal to an arc positioned over a joint of the polycentric mechanism.


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