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. 11, 1989
Filed:
Sep. 21, 1987
Applicant:
Inventors:
William S Tremulis, Redwood City, CA (US);
Ray R Beitelia, Santa Clara, CA (US);
Assignee:
Advanced Cardiovascular Systems, Inc., Mountain View, CA (US);
Primary Examiner:
Int. Cl.
CPC ...
A61M / ; A61B / ;
U.S. Cl.
CPC ...
128772 ; 604 95 ; 128657 ;
Abstract
An extendable guidewire and method for introducing and exchanging catheters in vascular procedures such as coronary angioplasty, angiography, and valvuloplasty. The guidewire has first and second interfitting sections movable between extended and retracted positions relative to each other and means to releasably secure the two sections in the extended position.