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:
Oct. 25, 2016

Filed:

Sep. 04, 2010
Applicants:

Lew C. Schon, Baltimore, MD (US);

Christopher Chiodo, Walpole, MA (US);

Brent G. Parks, West Friendship, MD (US);

Josh Nadaud, St. Louis, MO (US);

Zeynep Busra Dinc, Baltimore, MD (US);

Inventors:

Lew C. Schon, Baltimore, MD (US);

Christopher Chiodo, Walpole, MA (US);

Brent G. Parks, West Friendship, MD (US);

Josh Nadaud, St. Louis, MO (US);

Zeynep Busra Dinc, Baltimore, MD (US);

Assignee:

Other;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
A61F 2/42 (2006.01); A61B 17/16 (2006.01); A61F 2/30 (2006.01);
U.S. Cl.
CPC ...
A61F 2/4202 (2013.01); A61B 17/1682 (2013.01); A61B 17/1615 (2013.01); A61F 2002/3021 (2013.01); A61F 2002/30143 (2013.01); A61F 2002/30182 (2013.01); A61F 2002/30224 (2013.01); A61F 2002/30247 (2013.01); A61F 2002/30263 (2013.01); A61F 2002/30268 (2013.01); A61F 2002/30332 (2013.01); A61F 2002/30354 (2013.01); A61F 2002/30538 (2013.01); A61F 2002/30738 (2013.01); A61F 2002/30878 (2013.01); A61F 2002/30884 (2013.01); A61F 2002/30892 (2013.01); A61F 2002/422 (2013.01); A61F 2002/4207 (2013.01);
Abstract

A talonavicular joint prosthesis () adapted to replace the natural talonavicular joint that exists between a patient's talus and navicular bones, after appropriate surgical preparation of the joint-related portions of these bones so as to create a new joint space to accommodate this prosthesis, includes talar () and navicular () components. Each of these have inner () and outer () surfaces whose average separate distance is defined as the component's average thickness. These components inner () surfaces are configured to: (a) generally follow the anatomic contour of the original joint surface to which each component is to be attached, and (b) minimize each component's average thickness, consistent with providing sufficient strength and rigidity for the components, so as to require minimum bone resection in the creation of the new prosthesis-accommodating, joint space.


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