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:
Feb. 06, 2001
Filed:
Dec. 05, 1997
Applicant:
Inventors:
Nareak Douk, Lowell, MA (US);
Richard A. Gambale, Tyngsboro, MA (US);
Richard Choh, Lowell, MA (US);
Assignee:
Medtronic AVE, Inc., Santa Rosa, CA (US);
Primary Examiner:
Int. Cl.
CPC ...
A61B 8/14 ;
U.S. Cl.
CPC ...
A61B 8/14 ;
Abstract
An angioplasty guidewire includes a proximal shaft formed with an axial passage and a variable stiffness intermediate section extending axially from the tubular shaft and having a corridor aligned axially with the passage and terminating at a distal joint. The intermediate section comprises a plurality of stiffening elements. A core element is slidably disposed axially through the passage and includes a distal end projecting into the corridor and attached to the distal joint while a flexible distal tip is mounted to the end of the intermediate portion and projects axially therefrom.