The collected biological tissue cryopreservation tool 1 holds a collected tissue storage container 2, a heat-sealable storage bag 5 for storing the collected tissue storage container 2, and a collected tissue storage container 2 stored in the storage bag 5. And a container holding member 6 for the purpose. The collected tissue storage container includes a bottomed cylindrical container body 3 and a lid member 4 that can be attached to the container body in an airtight state. The lid member 4 includes a tissue piece placement member 41 and a seal member 48 that is provided on the inner surface of the lid body 42 and seals the opening of the transparent container body 3.採取生体組織凍結保存用具１は、採取組織収納容器２と、採取組織収納容器２を収納するためのヒートシール可能な収納袋５と、収納袋５に収納された採取組織収納容器２を保持するための容器保持部材６とからなる。採取組織収納容器は、有底筒状容器体３と、容器体に気密状態にて装着可能な蓋部材４とからなる。蓋部材４は、組織片載置部材４１と、蓋本体部４２の内面に設けられ、透明容器体３の開口部を封止するためのシール部材４８を備えている。
