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. 20, 1994
Filed:
Aug. 02, 1993
Applicant:
Inventors:
Pauline R Young, Seattle, WA (US);
Timothy A Abrahamson, Seattle, WA (US);
Richard K Sommercorn, Renton, WA (US);
Assignee:
Quinton Instrument Company, Seattle, WA (US);
Primary Examiner:
Int. Cl.
CPC ...
A61M / ;
U.S. Cl.
CPC ...
604 43 ; 604280 ; 128658 ; 264173 ;
Abstract
An elongated catheter formed of coextruded materials such that the inner surface of the extension members or body portion of the catheter have a higher durometer than the outer surface of the extension members or body portion of the catheter to reduce septum deflection during normal use, and the likelihood of tearing or sticking of the extension members is reduced.