Syringe barrel adapter and needle assembly

摘要

An adapter mountable to a retractable syringe barrel comprises a body that includes a needle portion and a barrel-engaging portion and a needle aperture. The adapter facilitates mounting a needle assembly to the barrel. The needle assembly comprises a needle body and cannula and an immobile, compressible needle seal, wherein the needle body and the needle seal are releasably engaged. The needle seal is engageable with a needle portion of the adapter. The needle body comprises one or more fluid reclaim channels that facilitate efficient delivery of the fluid contents of the retractable syringe. The retractable syringe also comprises dual locking systems to impede or prevent re-use.

主权项

1. A needle assembly and an adapter mountable to a substantially cylindrical retractable syringe barrel, the needle assembly comprising a needle body, a cannula and a needle seal adapted to seal against an inside wall of the substantially cylindrical retractable syringe barrel, the needle body and needle seal being releasably engaged, said adapter comprising a body that includes a needle portion comprising a spigot configured to releasably engage the needle body of the needle assembly mounted to the adapter, a barrel-engaging portion, and at least one barb, the needle seal including one or more members adapted to receive the at least one barb to couple the adapter to the needle seal which releasably engages the needle body of the needle assembly.