Patent ID: 7294122

Claim:
A transfer needle comprising: a liquid-specific member; and a medicament-specific member to be separably connected or joined to the liquid-specific member in a liquid-tight state, the liquid-specific member comprising: a liquid-specific hollow needle projecting toward the opposite side from the medicament-specific member, the medicament-specific member comprising: a medicament-specific hollow needle projecting toward the opposite side from the liquid-specific member and communicating with the liquid-specific hollow needle, wherein a female luer is provided on the medicament-specific member at a position opposing to the liquid-specific member, the female luer communicating with the hollow needle of said at least one of the liquid-specific member and the medicament-specific member, the female luer being separably connected with an injection needle connecting portion of a syringe in a liquid-tight state, wherein a filter is provided at the female luer, and said filter prevents residual of medicament, which could not melt, from passing through and removing foreign substance, wherein the liquid-specific member and the medicament-specific member are connected by a hinge, the hinge having flexibility and the hinge being dimensioned and configured to break to allow separation of the liquid-specific member and the medicament-specific member.