PROBLEM TO BE SOLVED: To provide a calibration system of an ultrasonic obturator detection device which can efficiently perform evaluation and calibration of an ultrasonic obturator detection device and improve accuracy in detection of a fine obturator.SOLUTION: A calibration system of an ultrasonic obturator detection device comprises: pseudo blood 109 in which pseudo blood cells and pseudo obturators are dispersed in a liquid a reservoir tank 103 which stores the pseudo blood and drains the pseudo blood from the bottom formed in a funnel shape a liquid feeding pump 101 which delivers the pseudo blood pseudo blood vessels 110, 112 which form circulation holes in which the pseudo blood circulates by penetrating material having an acoustic property similar to a living body and liquid feeding tubes 102, 106, 107 which connect the liquid feeding pump, the reservoir tank and the pseudo blood vessels, and circulate the pseudo blood, and performs calibration of ultrasonic obturator detection devices 1r, 1 by attaching to the pseudo blood vessels ultrasonic probes 2r, 2 of the ultrasonic obturator detection devices 1r, 1 for detecting obturators in the blood with ultrasonic waves.COPYRIGHT: (C)2016,JPO&INPIT【課題】超音波栓子検出装置の評価や較正を効率的に行うことができ、ひいては微小栓子の検出精度を向上させることのできる超音波栓子検出装置の較正システムを提供する。【解決手段】液体中に疑似血球および疑似栓子を分散させた疑似血液109と、前記疑似血液を貯留し、漏斗状に形成された底部から前記疑似血液を流出させるリザーバータンク103と、前記疑似血液を送出する送液ポンプ101と、生体と類似した音響特性を有する材料を貫通して疑似血液が流通する流通孔を形成した疑似血管110,112と、前記送液ポンプ、前記リザーバータンクおよび疑似血管を連結し、前記疑似血液を循環させる送液チューブ102,106,107とを有する。超音波により血流中の栓子を検出する超音波栓子検出装置1r,1の超音波プローブ2r,2を前記疑似血管に取り付けて、前記超音波栓子検出装置の較正を行う。【選択図】図1
