Patent ID: 7052482

Claim:
A locking element for a single use syringe having an inside surface, comprising: a generally trough-shaped base having first side wall, a second side wall opposing said first side wall, a bottom wall and a longitudinal axis; a first leg extending proximally from said first side wall substantially parallel to said longitudinal axis; a second leg extending proximally from said second side wall substantially parallel to said longitudinal axis, said second leg being in opposing relation to said first leg; a first barb extending from said first leg towards the inside surface; a second barb extending from said second leg towards the inside surface; said first leg including a first end portion extending generally towards said longitudinal axis; said second leg including a second end portion extending generally towards said longitudinal axis, and a spring element extending proximally from said bottom wall, said spring element urging said barbs towards the inside surface of the syringe.