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:
Jul. 25, 1989
Filed:
Aug. 13, 1987
Erin McGurk-Burleson, Clemente, CA (US);
Elmer Koehler, St. Louis, MO (US);
Victor S Packham, Santa Ana, CA (US);
Baxter Travenol Laboratories, Inc., Deerfield, IL (US);
Abstract
A surgical cutting instrument comprising an outer tube having a peripheral wall, an end wall and an opening in the peripheral wall and the end wall. The outer tube has first and second cutting edges defining portions of the periphery of the opening, and the cutting edges intersect at an angle of at least about 90 degrees to define a corner. An inner cutting member is rotatable within the outer tube. The inner cutting member has a cutting edge cooperable with both the first and second cutting edges of the outer tube for cutting material with a shearing action that progresses along both of the first and second cutting edges toward the corner.