PROBLEM TO BE SOLVED: To prevent the degradation of granulocyte removal performance that is caused with time after applying radiation to a granulocyte remover for extracorporeal circulation in a drying state.SOLUTION: A package of a granulocyte remover for extracorporeal circulation applied with radiation is configured as follows: the granulocyte remover for extracorporeal circulation is filled with a fibrous carrier in a drying state, and has a blood inlet and a blood outlet； the granulocyte remover is stored in a sealed packaging bag with an internal oxygen concentration of 1% or less, while at least one hand of the blood inlet and the blood outlet enables gas to come in and out； the fibrous carrier has an amino group on a surface； the fibrous carrier comprises nonwoven fabric with an average fiber diameter of 1.4 μm or more； and the total surface area of the fibrous carrier is 9 m2 or more.COPYRIGHT: (C)2016,JPO&INPIT【課題】体外循環用顆粒球除去器に乾燥状態で放射線を照射した後に経時的に起こる、顆粒球除去性能の低下を防止すること。【解決手段】繊維状担体が乾燥状態で充填され、血液入口と血液出口を有する体外循環用顆粒球除去器が、血液入口と血液出口の少なくとも一方を気体が出入りできる状態で、内部の酸素濃度が１％以下である密閉された包装袋内に収納され、繊維状担体が表面にアミノ基を有し、繊維状担体が平均繊維径１．４μｍ以上の不織布からなり、かつ、繊維状担体の総表面積が９ｍ2以上である、放射線が照射された体外循環用顆粒球除去器包装体。【選択図】なし
