发明名称 Plungerless syringe
摘要 A hollow, molded, disposable, plastic syringe is provided with an air trap chamber in fluid communication with a collapsible container portion. With the air trap chamber extending upwardly from the container portion, air is trapped in the chamber when the container is collapsed to eject liquid out of the container.
申请公布号 US5102398(A) 申请公布日期 1992.04.07
申请号 US19900584808 申请日期 1990.09.18
申请人 FARRIS, BARRY L. 发明人 FARRIS, BARRY L.
分类号 A61M5/28;A61M5/31 主分类号 A61M5/28
代理机构 代理人
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