Patent ID: 9533103
Date: 2017-01-03
CPC Classifications: A61M

Claim:
1. A gasket and plunger assembly for a prefilled syringe comprising: a gasket body, the gasket body having a plunger-mounting member removal prevention rib formed on an inner surface of the gasket body; a plunger-mounting member; the plunger-mounting member having an outer projected part which engages the plunger-mounting member removal prevention rib of the gasket body; at least three elastically deformable inner projected parts which extend obliquely from an inner portion of a proximal side of the plunger-mounting member toward a central and distal end of the plunger-mounting member, and plunger removal prevention locking parts formed at free ends of the inner projected parts; and a plunger having a distal end part, which is configured to enter the plunger-mounting member and an outer projection part which engages the plunger removal prevention locking parts of the plunger-mounting member.