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. 08, 2020

Filed:

May. 07, 2018
Applicant:

Medos International Sarl, Le Locle, CH;

Inventors:

Shawn Stad, Lakeville, MA (US);

Nils Schmuckli, Dissach, CH;

Assignee:

Medos International Sarl, Le Locle, CH;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A61B 17/88 (2006.01); A61B 17/70 (2006.01); A61B 90/00 (2016.01);
U.S. Cl.
CPC ...
A61B 17/8886 (2013.01); A61B 17/7091 (2013.01); A61B 17/8894 (2013.01); A61B 17/7032 (2013.01); A61B 2090/031 (2016.02);
Abstract

Methods and devices are provided for using a bone anchor driver for driving inner and outer set closure mechanisms or set screws into a bone anchor assembly. In one embodiment, a bone anchor driver is provided that includes an outer shaft configured to engage an outer set screw coupled to a bone anchor assembly, an inner shaft disposed within the outer shaft and configured to engage an inner set screw coupled to the bone anchor assembly, and a torque limiting mechanism configured to automatically switch between a first position in which it is disengaged from the inner shaft and is engaged with the outer shaft, and a second position in which it is disengaged from the outer shaft and is engaged with the inner shaft.


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