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. 05, 2024
Filed:
Nov. 19, 2020
Applicants:
Stephen James O'brien, New York, NY (US);
Thomas Zink, San Antonio, TX (US);
Inventors:
Stephen James O'Brien, New York, NY (US);
Thomas Zink, San Antonio, TX (US);
Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A61B 17/86 (2006.01); A61B 17/80 (2006.01); A61B 17/88 (2006.01); A61L 31/02 (2006.01);
U.S. Cl.
CPC ...
A61B 17/864 (2013.01); A61B 17/8057 (2013.01); A61B 17/863 (2013.01); A61B 17/8635 (2013.01); A61B 17/8811 (2013.01); A61L 31/022 (2013.01);
Abstract
The present invention relates to a mixed material bone screw. The bone screw comprises a distal end made of a biocompatible material and a proximal end made from a stronger material to resist stripping of the bone screw during its insertion or removal from a bone. In another embodiment, the mixed material bone screw is cannulated, wherein the bone screw has a bore forming a central channel connected to a plurality of sideward channels for delivering bone cement or other substances into the bone surrounding the bone screw.