To provide an inspection instrument that has a simple configuration, has excellent operability, and enables accurate and quick inspection of gastro esophageal reflux, for example.SOLUTION: An inspection instrument 1 comprises: a support 2 in which an ingredient to react to a content Q1 in the stomach being supported； a storage part 3 that stores the support 2 and enables the content Q1 to pass through while being in contact with the support 2； an inflow part 4 that communicates with the inside of the storage part 3 and allows the content Q1 to flow into the inside of the storage part； and an outflow part 5 that communicates with the inside of the storage part 3 and allows the content Q1 to flow out from the inside of the storage part 3.SELECTED DRAWING: Figure 2【課題】簡単な構成で操作性に優れ、例えば胃食道逆流の検査を正確かつ迅速に行なうことができる検査器具を提供すること。【解決手段】検査器具１は、胃の内容物Ｑ１と反応する成分が担持された担持体２と、担持体２を収納するとともに、担持体２に内容物Ｑ１が接しつつ通過可能な収納部３と、収納部３内に連通し、収納部内に内容物Ｑ１が流入する流入部４と、収納部３内に連通し、収納部３内から内容物Ｑ１が流出する流出部５とを備えている。【選択図】図２
