Laser irradiation apparatus 100 comprises: a long and slender main body 101; an optical fiber 107 provided slidable inside the main body 101; a guide unit 115 that forms a curved track, along which the distal end of the optical fiber 107 slides; and a drive unit 109 that causes the optical fiber 107...http://www.google.se/patents/US6530921?utm_source=gb-gplus-sharePatent US6530921 - Laser irradiation apparatus
