Importance

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Abstract

It is intended to provide a highly reliable medical device, for example, hollow fiber membrane-type medical device, which can effectively prevent the occurrence of dielectric breakdown in an electron beam irradiation sterilization step. The present invention provides a hollow fiber membrane-type medical device comprising: a container having an inner space molded with an insulating material; a filter medium loaded in the inner space; an inlet provided on a container wall surface defining the inner space and intended for fluid influx into the container; an outlet provided on the container wall surface defining the inner space and intended for fluid efflux from the container, wherein the inlet and/or the outlet have a portion consisting of a polymer material having volume resistivity of 5×10¹³ Ω·cm or smaller, and the medical device has been irradiated with an electron beam.

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First Claim