Morphological changes on the urinary bladder wall of the rabbit after Argon laser radiation

After developing a flexible fiber light guide and a special cystoscope it was possible to study the Argon laser beam effects on the bladder wall of rabbits and dogs. It could be proved that the Argon laser is qualified for the use in organs with thin walls, especially in the urinary bladder, because of its strong absorption in tissue with high blood flow and its minor penetration depth. However, our further investigations showed - they shall be published - that the output of the Argon laser used in our studies is not sufficient for destroying human bladder tumors. For this reason it is necessary to use neodymium YAG laser. (orig.)