PROBLEM TO BE SOLVED: To provide an inexpensive recovery box for secondary infection prevention, which makes a conventional indwelling needle handled safely, and which prevents an object except the indwelling needle from being put into a container.SOLUTION: A recovery box for secondary infection prevention includes a lid part, an indwelling needle insertion opening that is attached to the lid part, and a container part. The indwelling needle insertion opening is made of an elastic body. When a cap 910 and an indwelling needle body 900 are inserted from an opening 103e1, a state during insertion is maintained by holding parts 103d1 and 103d2 even in the case where a user loses hold of the cap 910.COPYRIGHT: (C)2015,JPO&INPIT【課題】従来の留置針を安全に取り扱い、かつ留置針以外のものを容器内に入れることがないようにする安価な二次感染防止用回収ボックスを提供する。【解決手段】蓋部と、蓋部に取り付けられた留置針挿入口と、容器部と、を含む二次感染防止用回収ボックスを提供する。留置針挿入口は弾性体により構成され、開口部103e1よりキャップ910及び留置針本体900が挿入されると保持部分103d1、103d2 によりキャップ910から手を放しても挿入時の状態が保持される。【選択図】図5