Intravascular radially expandable stent

Details Intravascular radially expandable stent Intravascular radially expandable stent

Filed on

1992-05-15

Date issued

1993-06-08

Examiner

Thaler, Michael H.

Patent Class

Surgery

SubClass

Instruments

SubSubClass

Internal pressure applicator

Other Related Categories

623 1, 623 12, A61M 2900

Type

Patent

Status

active

Patent number

052174832

Description

ABSTRACT:
An improved radially expandable stent formed from a fine wire bent into a serpentine flat ribbon which is wound around a mandrel into a cylindrical sleeve for mounting on a balloon catheter for transluminal insertion in a vessel such as a blood vessel is provided. A very small diameter fine platinum wire is used to form the basic cylindrical sleeve and it is welded to a pigtail of the wire forming the sleeve to provide longitudinal stability.

REFERENCES:
patent: 4313231 (1982-01-01), Koyamada
patent: 4503569 (1985-01-01), Dotter
patent: 4617332 (1986-01-01), Salyer et al.
patent: 4733665 (1988-01-01), Palmaz
patent: 4739762 (1988-01-01), Palmaz
patent: 4776337 (1988-01-01), Palmaz
patent: 4793348 (1988-01-01), Palmaz
patent: 4820298 (1989-01-01), Leveen et al.
patent: 4830003 (1989-01-01), Wolff et al.
patent: 4856516 (1989-01-01), Hillstead
patent: 4886062 (1989-01-01), Wiktor
patent: 5019090 (1991-01-01), Pinchuk
"A View of Vascular Stents", Richard A. Schatz, MD, Circulation, 1989; 79:445-457.

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