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 for biological tissue removal and repair. Disclosed laser sources which have an output wavelength in this region include:...http://www.google.es/patents/US5843073?utm_source=gb-gplus-sharePatente US5843073 - Infrared laser catheter system