PROBLEM TO BE SOLVED: To provide a blood purification device capable of accurately and automatically acquiring propriety of shutoff of a squeeze object tube by a roller of a squeeze pump.SOLUTION: The blood purification device includes: control means 11 that, after closing a liquid flow passage within a range including pressure detection means 10 and a blood pump 3 to form a prescribed defined range, rotatingly drives the blood pump 3 and causes pressure detection means 10 to execute a determination step of detecting a pressure of the defined range and determination means 12 that determines propriety of shutoff of a squeeze object tube C by a roller 15 of the blood pump 3 on the basis of the pressure of the defined area detected by the pressure detection means 10.SELECTED DRAWING: Figure 1COPYRIGHT: (C)2017,JPO&INPIT【課題】しごき型ポンプのローラによる被しごきチューブの締切の良否を正確且つ自動的に把握させることができる血液浄化装置を提供する。【解決手段】圧力検出手段10及び血液ポンプ3を含んだ範囲で液体の流路を閉止して所定の画成範囲を形成した後、当該血液ポンプ3を回転駆動させ、圧力検出手段10にて画成範囲の圧力を検出する判定工程を行わせる制御手段11と、圧力検出手段10にて検出された画成範囲の圧力に基づいて、血液ポンプ3のローラ15による被しごきチューブCの締切の良否を判定する判定手段12とを備えたものである。【選択図】図1
