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    • 13. 发明授权
    • Vial access adapter
    • 样品瓶接口适配器
    • US06503240B1
    • 2003-01-07
    • US09665090
    • 2000-09-20
    • John J. Niedospial, Jr.Jacqueline M. KlineMichael N. EakinsErnest Balestracci
    • John J. Niedospial, Jr.Jacqueline M. KlineMichael N. EakinsErnest Balestracci
    • A61B1900
    • A61J1/2096A61J1/1406A61J1/201A61J1/2044A61J1/2075A61J1/2082A61J1/2089
    • A vial access adapter for withdrawal of a medical fluid contained in a vial which includes a vial access adapter body having a circular top wall with a plurality of vent holes, a circular second wall spaced from the top wall, and a cylindrical side wall which walls define a chamber for holding an anti-bacterial filter. A first spike centrally located in the vial access adapter body extends through the top wall, chamber, and bottom wall, with one end extending above the top wall terminating in a threaded luer connector, while the other end terminates in a sharp point. A flow channel extends through the first spike designed for withdrawal of the medical fluid from the vial. A second spike positioned parallel to the first spike and is integral with the first spike extends from the second wall, one end of which extends into the chamber, and the other end terminates in a sharp point co-joined with the sharp point of the first spike. A flow channel extends through the second spike designed for air flow from the chamber into the vial. An elastomeric membrane positioned within the threaded luer connector seals the opening in the vial access adapter. Preferably the elastomeric membrane is of M-shaped configuration capable of flexing under pressure and of re-sealing itself after being pierced by a luer connector or a syringe equipped with a luer connector.
    • 用于取出容纳在小瓶中的医用流体的小瓶接入适配器,其包括具有多个通气孔的圆形顶壁的小瓶接入适配器主体,与顶壁间隔开的圆形第二壁,以及圆柱形侧壁, 定义一个用于容纳抗菌过滤器的室。 中心位于小瓶接入适配器主体中的第一个尖峰延伸穿过顶壁,室和底壁,一端延伸到顶壁上方终止于螺纹鲁尔连接器,而另一端终止于尖锐点。 流动通道延伸穿过设计用于从小瓶中取出医用流体的第一尖峰。 平行于第一尖钉定位并且与第一尖钉成一体的第二尖峰从第二壁延伸,其一端延伸到腔室中,另一端终止于与第一尖钉尖锐点共同连接的尖锐点 穗。 流动通道延伸穿过设计用于从腔室进入小瓶的气流的第二尖峰。 定位在螺纹鲁尔连接器内的弹性体膜密封小瓶接入适配器中的开口。 优选地,弹性体膜是M形构造,其能够在被鲁尔连接器或装有鲁尔连接器的注射器刺穿之后能够在压力下弯曲并且自身重新密封。
    • 15. 发明授权
    • Plunger rod
    • 柱塞杆
    • US6030367A
    • 2000-02-29
    • US273901
    • 1999-03-22
    • Ernest Balestracci
    • Ernest Balestracci
    • A61M5/315
    • A61M5/31511
    • Dimensionally stable plunger rod for use with a plunger in a cartridge or syringe barrel for manual or power-assisted withdrawing of fluid from a site or expelling fluid from the cartridge or syringe barrel having:a plunger rod body with distal end proximal ends;an end disc at the distal end;a threaded member integral with the end disc designed to engage a plunger;a thumb rest at the proximal end;a reinforcing disc at about the longitudinal mid point of the plunger body;a first pair or rectangular radially extending vanes connecting the end and reinforcing discs;a second pair or rectangular radially extending vanes connecting the reinforcing disc and the thumb rest;a first pair of triangular radially extending vanes connecting the end disc and the reinforcing disc; anda second pair of triangular radially extending vanes connecting the reinforcing disc and the thumb rest.
    • 尺寸稳定的柱塞杆,用于在筒或注射器筒中的柱塞,用于手动或动力辅助从现场排出流体或从筒或注射器筒排出流体,其具有:具有远端近端的柱塞杆体; 远端的端盘; 与所述端盘一体地设计成接合柱塞的螺纹构件; 拇指靠近近端; 围绕柱塞主体的纵向中点的加强盘; 连接端部和加强盘的第一对或矩形径向延伸的叶片; 连接加强盘和拇指托的第二对或矩形径向延伸的叶片; 连接端盘和加强盘的第一对三角形径向延伸叶片; 以及连接加强盘和拇指托架的第二对三角形径向延伸叶片。