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...http://www.google.fr/patents/US5034010?utm_source=gb-gplus-shareBrevet US5034010 - Optical shield for a laser catheter