Optical shield for a laser catheter

Details Optical shield for a laser catheter Optical shield for a laser catheter

1989-09-22

1991-07-23

Hindenburg, Max

Surgery

Instruments

Light application

128665, A61B 1736

Patent

active

050340107

ABSTRACT:
A laser catheter is disclosed wherein optical fibers carrying laser light are mounted in a catheter for insertion into an artery to provide controlled delivery of a laser beam for percutaneous intravascular laser treatment of atherosclerotic disease. A transparent protective shield is provided at the distal end of the catheter for mechanically diplacing intravascular blood and protecting the fibers from the intravascular contents, as well as protecting the patient in the event of failure of the fiber optics. Multiple optical fibers allow the selection of tissue that is to be removed. A computer controlled system automatically aligns fibers with the laser and controls exposure time. Spectroscopic diagnostics determine what tissue is to be removed.

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