Steerable guide wire for catheters

Details Steerable guide wire for catheters Steerable guide wire for catheters

1985-12-26

1989-01-31

Hindenburg, Max

Surgery

Truss

Pad

604 95, 604170, A61B 600

Patent

active

048008907

ABSTRACT:
In a steerable, flexible, torsionally-stable guide wire for medical catheters which is surrounded at its distal end region by a helically wound spring which protrudes beyond the end of the guide wire, an improved atraumatic guidance of the guide wire within particularly narrow passages is obtained in the manner that the guide wire is a continuously hollow metal tube (2) the outside diameter of the metal tube (2) is about 0.1 to 1.0 mm and preferably 0.2 to 0.5 mm at least in the distal end region (3), and at least the distal end region (3) of the metal tube (2) is cylindrical. In this way it is possible to apply contrast agent or therapeutic agent to the tip of the guide wire and advance it in this way under fluoroscopic control.

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patent: 4545390 (1985-10-01), Leary
patent: 4554929 (1985-11-01), Samson et al.
patent: 4582181 (1986-04-01), Samson

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