Abstract: A blood-treating system in which apparatus for the purification of blood by purifying the blood plasma. The system includes as principal elements, an apparatus for separating blood plasma by way of a membrane, an apparatus for purifying blood plasma and an apparatus for mixing blood with blood plasma to be placed between a blood-introducing portion and a purified blood-withdrawing portion of the system. This system can remove useless substances from blood with a high efficiency without damaging and reducing blood cell components or any fear of mixing of the fine powder in the purifying agent.

Abstract: A blood-treating system in which apparatus for the purification of blood by purifying blood plasma, is provided. The system includes as principal elements, an apparatus for separating blood plasma by way of a membrane, an apparatus for purifying blood plasma and an apparatus for mixing blood with blood plasma to be placed between a blood-introducing portion and a purified blood-withdrawing portion of the system. This system can remove useless substances from blood with a high efficiency without damaging and reducing blood cell components or any fear of mixing of the fine powder in the purifying agent.

Abstract: An apparatus for treating ascites which is safe and superior in performance and does not cause hemolysis, by removing harmful bacteria or cancer cells contained in ascites, by filtration, concentrating useful proteins, etc. contained therein and returning the resulting concentrate to living body is provided.Said apparatus comprises an ascites-transporting means, a hemolysis-preventive means connected to said ascites-transporting means, a filter for removing bacteria and cancer cells, containing at least one membrane for filtering the ascites which has passed said hemolysis-preventive means, and a concentrating vessel containing at least one membrane for concentrating the ascites thus filtered.