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. 16, 1991
Filed:
Mar. 08, 1990
Applicant:
Inventor:
James A Evans, Galesburg, MI (US);
Assignee:
Stryker Corporation, Kalamazoo, MI (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
A61B / ;
U.S. Cl.
CPC ...
606170 ; 606 79 ; 606167 ; 606180 ; 604 22 ;
Abstract
A surgical instrument having a tube and a rotating cutter head. The cutter head has a sole blade bearing two cutting edges extending from a cylindrical base and meeting in a point. An helical debris channel follows from the blade point through the cylindrical base so that large pieces of tissue may be cut and carried away by suction within the tube.