| 摘要 |
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. |
