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:
Sep. 17, 1996
Filed:
Mar. 07, 1995
Applicant:
Inventor:
Allen J Hicks, Woodinville, WA (US);
Assignee:
Quinton Instrument Company, Bothell, WA (US);
Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
A61M / ;
U.S. Cl.
CPC ...
604280 ; 604264 ;
Abstract
A single or multiple lumen catheter having one or more non-circular, oval, elliptical or oblong shaped lumens therein and wherein the cross sectional shapes of a plurality of the lumens in the multiple lumen catheters are opposed with respect to each other to minimize the existence of sharp corners or flow restriction areas in the lumen and minimizing the occurrence of septum or catheter wall deflection while maximizing the cross sectional area of the lumens of the catheter.