Method and apparatus for treating vessel wall with UV radiation

Details Method and apparatus for treating vessel wall with UV radiation Method and apparatus for treating vessel wall with UV radiation

1995-04-24

1997-03-04

Sykes, Angela D.

Surgery

Instruments

Light application

606 15, 606 17, A61B 1736

Patent

active

056074190

ABSTRACT:
Disclosed is an apparatus for use in applying UV light to a blood vessel wall following the performance of a balloon angioplasty procedure. It comprises an elongated optical fiber whose outside diameter permits it to be inserted into the lumen of a guidewire that is used to position the angioplasty balloon at the site of the lesion to be treated. The guidewire is provided with a light port and a suitable reflector is provided for causing UV light transmitted through the optical fiber to be radiated in a radial direction through the light port in the guidewire to thereby irradiate the vessel wall with UV energy that has been found effective in retarding growth of smooth muscle cells.

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