At present, all over the world, about one hundred thousand uraemic patients, which is about 15 precent of the total dialysis population are accepting peritoneal dialysis treatment.

膜透析是通过膜这层天然的生物膜，腔中的透膜毛细管内的间进行水溶质转运与交换的过程。目前全世界约有10万名终末期透析患者接受膜透析治疗，约占透析人口总数的15%。