A laser-powered surgical tool comprises an elongate distal end portion suitable for laparoscopic surgery, and contains an extreme distal end portion by which a laser-powered tip is applied to tissue to generate incisions of predetermined but adjustable depth therein. The tissue being incised is held...http://www.google.se/patents/US5562658?utm_source=gb-gplus-sharePatent US5562658 - Laser-powered surgical device for making incisions of selected depth
