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:
Aug. 06, 1991
Filed:
Nov. 17, 1989
Applicant:
Inventors:
Herbert D Marcus, Winchester, MA (US);
Allen H DeSatnick, Marblehead, MA (US);
Paul A Torrie, Marblehead, MA (US);
Assignee:
Minnesota Mining and Manufacturing Company, St. Paul, MN (US);
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
A61M / ;
U.S. Cl.
CPC ...
604 43 ; 604280 ; 604118 ; 128-4 ;
Abstract
An arthroscope cannula including inner and outer intimately engaged concentric tubes with the inner tube having a longitudinally extending wall depression defining, in conjunction with the outer tube, a pressure passage. The inner tube receives the scope which is restrained therein by the wall depression to define an inflow fluid passage. The outer tube is selectively removable from about the inner tube with both tubes mounting on and projecting from a flow controlling and directing bridge assembly.