PROBLEM TO BE SOLVED: To provide means for aseptically separating suspension medium from suspension liquid.SOLUTION: There is provided an apparatus equipped with at least the followings: a hollow fiber type separator for separating liquid A from suspension liquid, which is equipped with an inlet and an outlet for allowing suspension liquid to pass which are led to the inside of a hollow fiber, and at least one discharge port for discharging separated liquid A which are led to the outside of the hollow fiber; an aseptic connection connector which is connected to the inlet of the hollow fiber type separator, and for aseptically connecting a bag including the suspension liquid in non-aseptic environment; a drainage bag which is connected to the discharge port of the hollow fiber type separator, and for pooling the separated liquid A; and a recovery bag which is connected to the inlet or the outlet of the hollow fiber type separator, and used for pooling suspension medium from which the liquid A was separated.SELECTED DRAWING: Figure 1【課題】懸濁液から懸濁媒を無菌的に分離するための手段を提供する。【解決手段】少なくとも以下を備える器具を提供する:懸濁液から液Aを分離するための中空糸型分離器であって、中空糸内側に通じる、懸濁液を通過させるための入口および出口、および中空糸外側に通じる、分離された液Aを排出するための少なくとも一つの排出口を備える、中空糸型分離器;中空糸型分離器の入口に連結された、懸濁液を含むバッグを非滅菌環境において無菌的に接続するための、無菌接続コネクタ;中空糸型分離器の排出口に連結された、分離された液Aを貯留するための排液バッグ;および中空糸型分離器の入口または出口に連結された、液Aが分離された懸濁媒を貯留するための回収バッグ。【選択図】図1