激光疗法是内窥镜疗法中最有前途的一种。此疗法技术相对简单,治疗不直接与组织接触,损伤小,有多种用途。激光为一种非常密集和强有力的光能,当其击中一个适当的吸收面时,光能即转为热能,这是用激光内窥镜治疗的原 Laser therapy is one of the most promising endoscopic therapies. This therapy technique is relatively simple, the treatment does not directly contact with the tissue, damage is small, there are many uses. Laser is a very dense and powerful optical energy, when it hits an appropriate absorption surface, the light energy is converted to heat, which is the original laser endoscope treatment of the original