Blood component separation apparatus

Abstract

A blood component separation apparatus is disclosed which comprises at least three plate-like members arranged in a stacked fashion, a blood circulation circuit composed of at least two layers which are arranged between the associated plate-like members, a filter for blood component separation which is incorporated into a blood passage, a plurality of connection ports provided in the plate-like members to allow them to communicate with the blood circulation circuit, communication tubes mounted in the blood circulation circuit to place part of the connection ports in communication with an associated connection port, the communication tube being adapted to control a fluid communication in the blood circulation circuit and an external function section connected to corresponding connection ports. According to the present invention, a three-dimensional blood circuit of a multi-layered structure can be provided which can build up a complex blood circuit of a better function than that of a conventional flat blood circulation circuit.

Dependencies are inferred from the claim text.