RETRACTABLE SYRINGE WITH IMPROVED DELIVERY EFFICIENCY AND LOCKING SYSTEM

A plunger, a needle assembly and a retractable syringe comprising same are provided. The plunger comprises a plunger member and a plunger outer having a lock spring that prevents or impedes movement of the plunger member after needle retraction. The plunger further comprises another locking member f...

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Bibliographische Detailangaben
Hauptverfasser: DUNN, Christopher C, HUESO, Ernesto E, CHAD, Scott S, THORLEY, Craig Stephen CS, KAAL, Joseph, Hermes JH, WALLIS, Huw H, SOKOLOV, Richard R
Format: Patent
Sprache:chi ; eng
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