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. 11, 1997
Filed:
Aug. 18, 1995
Applicant:
Inventor:
Lutz Freitag, Hemer, DE;
Assignee:
Willy Rusch AG, Kernen, DE;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
A61M / ;
U.S. Cl.
CPC ...
606198 ; 606191 ; 606195 ; 623-1 ; 623 12 ;
Abstract
A stent for placement in a body tube includes a flexible support structure of wires, wherein the wires are of a material having a shape memory function. The support structure of the stent is composed of wires which have different shape memories. In a method for changing the configuration of a stent of the above-described type which has been placed in a body tube, the stent is subjected over at least portions thereof to a specific application of heat or cold in order to influence the restoring force and/or the geometric shape.