Thorley, Craig Stephen,Kaal, Joseph Hermes,Sokolov, Richard,Hueso, Ernesto,Wallis, Huw,Chad, Scott,Dunn, Christopher
申请号：
AU2014218378
公开号：
AU2014218378B2
申请日:
2014.08.26
申请国别(地区):
AU
年份:
2015
代理人:
摘要：
#$%^&*AU2014218378B220151203.pdf#####17 ABSTRACT 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 5 retraction. The plunger further comprises another locking member for engaging the barrel to prevent or impede further movement of the plunger outer after delivery of fluid contents. The plunger member has a plunger seal which engages a retractable needle of the needle assembly for retraction. The retractable needle comprises a cannula and needle body with a plurality of fluid channels that co-operate with a fluid 10 conduit of the plunger seal to efficiently direct fluid to the cannula. A needle retainer comprises a plurality of barbed arms releasably coupled to the needle body, whereby an ejector with tabs facilitates release of the retractable needle from the needle retainer to allow compressed spring-driven retraction. 798206v11/12 co N 0 N co No N CN 0 CN0 CN co CNN oN Co cCo co NC 0 C LO (L. ccco 0,
