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:
Nov. 21, 2017

Filed:

Jul. 02, 2015
Applicant:

The General Hospital Corporation, Boston, MA (US);

Inventors:

Guoan Li, Milton, MA (US);

Kartik Mangudi Varadarajan, Belmont, MA (US);

Harry E. Rubash, Weston, MA (US);

Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
A61F 2/38 (2006.01); A61F 2/46 (2006.01); A61F 2/30 (2006.01);
U.S. Cl.
CPC ...
A61F 2/3859 (2013.01); A61F 2/461 (2013.01); A61F 2002/30326 (2013.01); A61F 2002/30327 (2013.01); A61F 2002/30934 (2013.01);
Abstract

The present invention provides a femoral prosthesis for a femur which can enable or allow deep knee flexion without creating excessive tension in the ligamentous structure of the knee. The femoral prosthesis includes an internal non-articulating surface, an external articulating surface, a medial condyle and a lateral condyle. The height of the medial condyle is less than the height of the lateral condyle. A proximal-posterior tip of the medial condyle is rounded and is shifted inwards relative to the native level of the proximal-posterior region of the femur bone to facilitate knee flexion. A method of mounting a femoral prosthesis on a femur is also described.


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