[Laser in clinical surgery (author's transl)].

The abdominal surgery the Laser-"scalpel" should be used in combination with special instruments, to direct the ray, to protect medical personnel, surrounding tissue and organs. Complete haemostasis, sterility and biological welding of the different layers of stomach and gut enables the surgeon to make use of one layer anastomoses. Laser-photocoagulation of bleeding ulcers is the method of choice in serious ill patients.