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. 06, 2015

Filed:

Apr. 06, 2010
Applicants:

Lutz Biedermann, VS-Villingen, DE;

Wilfried Matthis, Weisweil, DE;

Michael Kegel, Tennenbronn, DE;

Inventors:

Lutz Biedermann, VS-Villingen, DE;

Wilfried Matthis, Weisweil, DE;

Michael Kegel, Tennenbronn, DE;

Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
A61B 17/58 (2006.01); A61B 17/70 (2006.01); A61B 17/88 (2006.01); B25B 17/00 (2006.01); A61B 19/00 (2006.01);
U.S. Cl.
CPC ...
A61B 17/7091 (2013.01); A61B 17/7082 (2013.01); A61B 17/8875 (2013.01); A61B 2019/301 (2013.01); A61B 2019/464 (2013.01); B25B 17/00 (2013.01);
Abstract

A tool is provided for use with a bone anchor, wherein the bone anchor has an anchoring section and a receiving portion for receiving a rod to be connected to the anchoring section and a locking element, the tool comprising a tip portion for engaging the locking element; a mechanism to apply torque to the tip portion comprising a drive shaft and a driven shaft coupled by a gear unit, where the drive shaft has a different axis than the driven shaft, and where the driven shaft comprises an engagement portion configured to connect the driven shaft to the gear unit; and a counter-holding portion for engaging the receiving part, wherein the counter-holding portion is rotatable with respect to the tip portion.


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