用激光对某些体表和腔内病灶施行烧灼或切割时,由于病灶组织在气化时会产生大量烟雾状焦臭气体,影响术野的观察,同时也造成空气的污染。我们设计制作了一套简便的排污装置,经使用,排污效果良好。该装置由“负压吸气头”、“污气净化器”、 When using laser to burn or cut some surface and intracavitary lesions, a large amount of smoke-like coke-like gas will be produced in the gasification of the lesion tissue, which will affect the observation of the operative field and cause air pollution. We designed and manufactured a set of simple sewage disposal device, which has good sewage disposal effect. The device consists of “vacuum suction head”, “gas purifier”