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:
Dec. 07, 2021
Filed:
Feb. 01, 2018
Applicant:
Medtronic PS Medical, Inc., Fort Worth, TX (US);
Inventors:
John W. Kulas, Euless, TX (US);
Donald E. Stearns, Fort Worth, TX (US);
Assignee:
Medtronic PS Medical, Inc., Fort Worth, TX (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A61B 17/16 (2006.01); B23C 5/10 (2006.01); A61C 3/02 (2006.01);
U.S. Cl.
CPC ...
A61B 17/1695 (2013.01); A61B 17/1615 (2013.01); B23C 5/1009 (2013.01); A61C 3/02 (2013.01); B23C 2210/0407 (2013.01);
Abstract
A surgical bur includes a body and a drill point. The body includes flutes and lands. Each of the flutes includes a cutting edge, a rake face, and a clearance surface. Each of the lands is convex-shaped and disposed between a pair of the flutes. The drill point includes axial relief surfaces. Each of the axial relief surfaces has a planar area, is distinct from the lands and borders (i) a distal portion of one of the cutting edges, (ii) one of the lands, and (iii) one of the clearance surfaces.