PROBLEM TO BE SOLVED: To provide a chemical solution recovery device for prefilled syringe and a prefilled syringe with chemical solution recovery function capable of recovering chemical solution discharged before medication without scattering around.SOLUTION: The present invention comprises: a chemical solution recovery part capable of storing a chemical solution a first flow channel fluidly connected to a chemical solution distribution member a second flow channel fluidly connected to the chemical solution recovery part and a third flow channel fluidly connected to a nozzle head part. The present invention further comprises: a flow channel formation part which is formed by merging the first flow channel, the second flow channel, and the third flow channel with each other and a flow channel switching structure which communicates the second flow channel and the third flow channel with the first flow channel blocked while communicating the first flow channel and the third flow channel with second flow channel blocked.COPYRIGHT: (C)2014,JPO&INPIT【課題】 本発明は、投薬に先立って排出される薬液を周囲に飛散させずに回収することのできるプレフィルドシリンジ用の薬液回収具及び薬液回収機能付きプレフィルドシリンジを提供する。【解決手段】 本発明は、薬液を収容可能に構成された薬液回収部と、薬液流通部材に流体的に接続される第一流路、薬液回収部に流体的に接続される第二流路、及び筒先部に流体的に接続される第三流路を有し、第一流路、第二流路、及び第三流路を互い合流させた状態で形成した流路形成部と、第一流路を遮断した状態で第二流路と第三流路とを連通させる一方で、第二流路を遮断した状態で第一流路と第三流路とを連通させる流路切換構造とを備えることを特徴とする。【選択図】図1
