Variable radiopacity guidewire with spaced highly radiopaque regions

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