초록 ▼

A syringe serves also as an ampule and saves labor in transferring contained liquid from an ampule container to a syringe and is not bulky when disposing it. The syringe has a piston integrally molded in a bellows-like cylindrical portion sealingly containing liquid medicine. Pleated reinforcing por

A syringe serves also as an ampule and saves labor in transferring contained liquid from an ampule container to a syringe and is not bulky when disposing it. The syringe has a piston integrally molded in a bellows-like cylindrical portion sealingly containing liquid medicine. Pleated reinforcing portions are longitudinally provided at several positions on the bellows portion. Furthermore, retainers are provided to retain a contracted state of the bellows-like cylindrical portion. The piston has a depression formed in a rear portion thereof for pressing by a finger. A needle portion is fitted into the leading end of a cylindrical barrel portion of the bellows. A projection is provided inside the needle portion so as to break a seal sealing liquid medicine and the leading end of the barrel portion of the syringe may be threadingly fitted to a three-way cock for drip infusion.

대표청구항 ▼

[ What is claimed is:] [1.]1. A syringe device comprising:a piston;a cylinder portion for accepting said piston therein, said cylinder portion having a tip end;said tip end having a frangible seal film; anda bellows portion sealingly interconnecting said cylinder portion and said piston in a sealed

[ What is claimed is:] [1.]1. A syringe device comprising:a piston;a cylinder portion for accepting said piston therein, said cylinder portion having a tip end;said tip end having a frangible seal film; anda bellows portion sealingly interconnecting said cylinder portion and said piston in a sealed manner such that said piston is insertable into said cylinder portion and the bellows portion, the piston, and the cylinder portion together form an ampule container for containing a medicinal liquid.