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.
Patent No.:
Date of Patent:
Sep. 17, 2019
Filed:
Jun. 25, 2014
Applicant:
Aesculap Ag, Tuttlingen, DE;
Inventors:
Stephan Lindner, Wurmlingen, DE;
Juan-Jose Bogajo, Wurmlingen, DE;
Assignee:
Aesculap AG, , DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A61B 17/86 (2006.01); A61B 17/70 (2006.01);
U.S. Cl.
CPC ...
A61B 17/8625 (2013.01); A61B 17/7035 (2013.01);
Abstract
A medical bone screw in particular in pedicle screw design includes a screw-and-thread shaft which has a distal shaft portion of a preferably smaller core diameter that transitions into a proximal shaft portion of a preferably larger core diameter, whose proximal end is provided with a screw head. The core cross-sectional shape along the distal shaft portion is formed to be out-of-round, preferably polygonal, and the core cross-sectional shape along the proximal shaft portion is formed to be circular.