Laser energy produced by a laser operating in the mid-infrared region (approximately 2 micrometers) is delivered by an optical fiber in a catheter to a surgical site of biological tissue removal and repair. Disclosed laser sources which have an output wavelength in this region include: Holmium-doped...http://www.google.fr/patents/US5196004?utm_source=gb-gplus-shareBrevet US5196004 - Infrared laser catheter system
