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:
Apr. 04, 2017
Filed:
Feb. 16, 2012
Applicants:
Göran Björn, Onsala, SE;
Jerry Frimanson, Onsala, SE;
Inventors:
Göran Björn, Onsala, SE;
Jerry Frimanson, Onsala, SE;
Assignee:
Cochlear Limited, Macquarie University, NSW, AU;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A61B 17/16 (2006.01); A61B 90/00 (2016.01);
U.S. Cl.
CPC ...
A61B 17/1695 (2013.01); A61B 17/1679 (2013.01); A61B 2090/036 (2016.02); H04R 2225/67 (2013.01);
Abstract
A drill bit for drilling into bone, including at least a first, second and third longitudinally extending substantially straight flute blades, wherein the drill bit has an extrapolated outer profile established by rotation of the first, second and third flute blades 360 degrees about a longitudinal axis thereof, the extrapolated outer profile includes a first surface having tangents more perpendicular than parallel to the longitudinal axis, and the extrapolated outer profile includes a second surface having tangents more parallel than perpendicular to the longitudinal axis.