PROBLEM TO BE SOLVED: To provide a durability test apparatus installing a test object in a pulsatile flow simulating a blood flow state of a human body such as a coronary circulation environment, and applying a bending load or the like to an installation part of the test object under a discretionary condition synchronized with a pressure waveform and/or a flow waveform of the blood flow.SOLUTION: A durability test apparatus 10 according to the present invention includes: a flow passage 11 in which a test fluid flows an installation part 12 that is provided halfway through the flow passage 11, at which a test object T is installed, and that is configured to be bendingly deformable flow generation means 14 making the test fluid circulating in the flow passage 11 a pulsatile flow flow state detection means 15 for detecting a pressure and/or a flow rate of the test fluid actuating means 17 applying an external load to the installation part 12 and actuating to bendingly deform it and control means 18 controlling the actuation of the actuating means 17 according to the state of the pressure and/or the flow rate detected by the flow state detection means 15.SELECTED DRAWING: Figure 1COPYRIGHT: (C)2017,JPO&INPIT【課題】冠循環環境等の人体の血流状態を模擬した拍動流中に試験対象物を設置するとともに、血流の圧力波形及び/又は流量波形に同期した任意の条件で、試験対象物の設置部に対して屈曲負荷等を与える耐久性試験装置を提供すること。【解決手段】本発明に係る耐久性試験装置10は、試験用流体が流れる流路11と、流路11の途中に設けられて試験対象物Tが設置されるとともに、屈曲変形可能に構成された設置部12と、流路11内を循環する試験用流体を拍動流の状態にする流れ生成手段14と、試験用流体の圧力及び/又は流量を検出する流れ状態検出手段15と、設置部12に外的負荷を加えて屈曲変形させるように動作する動作手段17と、流れ状態検出手段15で検出された圧力及び/又は流量の状態に応じて、動作手段17の動作を制御する制御手段18とを備えている。【選択図】 図1
