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我们自1983年5月起应用Nd-YAG 激光(下称YAG 激光)治疗各种病因引起的消化道出血24例,初步取得较好的疗效,报告如下。临床资料一、仪器:YAG 激光器系上海医用激光仪器厂研制,最大输出功率可达80～100W。用氦氖激光同光路作指示光。石英光导纤维直径400～600μ,长度≥3m。外包聚丙烯。用SO 2A 五维精密微调器进行耦合。光导纤维输出端功率40W 左右。止血时,光纤距出血病灶1cm,光斑直径2mm,发散角20°。光
We have since May 1983 Nd-YAG laser (hereinafter referred to as YAG laser) treatment of various causes of gastrointestinal bleeding in 24 cases, initially achieved better results, the report is as follows. Clinical data First, the instrument: YAG laser system developed by Shanghai Medical Laser Instrument Factory, the maximum output power up to 80 ~ 100W. He-Ne laser with the optical path for light. Quartz fiber diameter 400 ~ 600μ, length ≥ 3m. Outsourcing polypropylene. Coupled with a SO 2A five-dimensional precision trimmer. Optical fiber output power 40W or so. Hemostasis, the fiber from the bleeding lesions 1cm, spot diameter 2mm, divergence angle of 20 °. Light