在当今的医疗领域，越来越多的手术需要应用灌注装置。比如泌尿外科的泌尿道腔内手术，妇产科的宫腔镜检查、阴道冲洗等。这些手术除了要求液体能根据需要不停地冲洗手术创面（或部位）外，同时要求液体温度必须符合人体温度，并且恒定。原始的方法是在手术床边的较高处挂上一 In today’s medical field, more and more surgeries require the use of perfusion devices. Such as urology, urinary tract cavity surgery, obstetrics and gynecology hysteroscopy, vaginal irrigation and so on. In addition to requiring that the fluid be able to continuously flush the surgical wound (or site) as needed, these procedures also require that the fluid temperature must be consistent with body temperature and constant. The original method was to hang one on the side of the operating bed