Patent ID: 8211082
Filing Date: 2012-07-03
Classification: A61J,A61M

Abstract:
1. A drug solution preparing kit comprising a pre-filled syringe and a transfusing tool, wherein said pre-filled syringe includes: a cylinder-shaped barrel including a tip end and a base end, the tip end and the base end being open, a sealing member configured to seal said tip end and unable to be removed from said tip end, and a plunger inserted into said barrel in a liquid-tight manner and a slidable manner, said barrel, said plunger and said sealing member defining a space filled with a drug solution, said transfusing tool including: a barrel attaching part, the tip end of said barrel being attached to the barrel attaching part, a first needle provided on said barrel attaching part and configured to penetrate through said sealing member, a vial attaching part, an inlet of a vial being configured to be attached to the vial attaching part, a second needle provided on said vial attaching part and configured to penetrate through a plug for the inlet of the vial, a first communication channel establishing communicative connection between said first needle and said second needle, and a second communication channel establishing communicative connection between said second needle and a port and being formed independently of said first communication channel, wherein said port includes a one-way valve which can discharge only gas from the system in an irreversible manner, and a filter which is provided so as to adjoin to said second communication channel with respect to said one-way valve, and wherein the filter is arranged between an opening of the second communication channel and the one-way valve.