Single use syringe and plunger rod locking device therefor

摘要: A single use syringe and a plunger rod assembly for such are provided. The includes features that cause the to be locked with respect barrel upon completion of an injection stroke. locking device may include barbs engaging relatively long, proximally extending legs. legs end portions rod. recess defined by converging surfaces, being displaced from longitudinal axis thereof. element fits smaller can thereby used in larger as well.