Importance

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Abstract

The hollow fiber type blood processing apparatus of the present invention comprises a housing, a bundle of hollow fibers which consists of a great number of hollow fibers for processing blood and is housed in the housing, an inlet and an outlet of a blood processing liquid which are provided near each end of the housing, partitions which secure each end of the bundle of hollow fibers to each end of the housing, an entrance blood port which has a blood inlet and is attached to one end of the housing, and an exit blood port which has a blood outlet and is attached to the other end of the housing, wherein the two blood ports have each an annular groove at the peripheral area of their inside surface and an annular elastic member conjoined in the annular groove by molding, the annular elastic members have each an annular elastic rib extended out of the annular groove, and the blood ports are attached to the housing with their annular elastic member pressed to the corresponding partition and the annular elastic rib of the annular elastic member pinched between the partition and the annular rib which defines the radially inner side of the annular groove of each blood port.

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First Claim