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:
May. 28, 2019

Filed:

Sep. 21, 2017
Applicant:

Wright Medical Technology, Inc., Memphis, TN (US);

Inventor:

Daniel F. McCormick, North Kingstown, RI (US);

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A61B 17/72 (2006.01); A61B 17/16 (2006.01); A61F 2/42 (2006.01); A61B 17/88 (2006.01);
U.S. Cl.
CPC ...
A61B 17/7291 (2013.01); A61B 17/1604 (2013.01); A61B 17/1617 (2013.01); A61B 17/7266 (2013.01); A61B 17/8872 (2013.01); A61F 2/4225 (2013.01); A61B 17/1682 (2013.01); A61B 17/1686 (2013.01); A61B 17/7283 (2013.01); A61F 2002/423 (2013.01);
Abstract

A bone implant comprising an elongate body having a first end and a second end coupled by a shaft is disclosed. The first portion is configured to couple to a first bone. The second portion comprises a first expandable section comprising at least one expandable feature. The first expandable section is configured to be received within a reverse countersink in a second bone in a collapsed state and to expand within the reverse countersink. The expandable feature couples to a bearing surface of the reverse countersink. A surgical tool comprising a shaft and at least one expandable cutting edge is disclosed. The shaft is sized and configured to be received within a canal formed in a bone. The expandable cutting edge is formed integrally with the shaft. The expandable cutting edge is configured to expand from a collapsed position to an expanded position for forming a reverse countersink.


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