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.se/patents/US5104392?utm_source=gb-gplus-sharePatent US5104392 - Laser spectro-optic imaging for diagnosis and treatment of diseased tissue
