Variable radiopacity guidewire with spaced highly radiopaque reg

Details Variable radiopacity guidewire with spaced highly radiopaque reg Variable radiopacity guidewire with spaced highly radiopaque reg

1990-12-04

1992-12-29

Pellegrino, Stephen C.

Surgery

Truss

Pad

128657, 604164, 604280, A61B 500

Patent

active

051743027

ABSTRACT:
A guidewire for use in inserting diagnostic and therapeutic catheters. The guidewire has an initial uniform diameter segment that is coated with a polymerized silicone along a majority of its length. This core section tapers along a uniform portion to a second constant diameter segment surrounded by a flexible spring tip. The spring tip is banded to define portions that are highly radiopaque and portions that are much less radiopaque to X-radiation. This allows post angioplasty X-ray imaging of the blood vessel without removal of the guidewire.

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