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:
Mar. 31, 2015
Filed:
Jul. 18, 2011
Applicant:
David Louis Kirschman, Dayton, OH (US);
Inventor:
David Louis Kirschman, Dayton, OH (US);
Assignee:
X-spine Systems, Inc., Miamisburg, OH (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
A61B 17/58 (2006.01); A61B 17/86 (2006.01); A61B 17/70 (2006.01); A61B 17/88 (2006.01);
U.S. Cl.
CPC ...
A61B 17/863 (2013.01); A61B 17/7064 (2013.01); A61B 17/861 (2013.01); A61B 17/864 (2013.01); A61B 17/8891 (2013.01);
Abstract
A surgical implant comprising a screw element having a screw head, a first thread having a first thread pitch, a second thread having a second thread pitch and an intermediate portion coupling the first and second thread pitches with the first and second thread pitches being different. The implant has a buttressing head associated with the first thread, and it is dimensioned to be larger than a diameter of the first threads to provide external buttressing as the first and second threads compress a first bone and a second bone together.