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    • 87. 发明授权
    • Dual-reservoir vascular access port
    • 双储层血管通路口
    • US5792104A
    • 1998-08-11
    • US761965
    • 1996-12-10
    • Lori Cone SpeckmanDavid A. Watson
    • Lori Cone SpeckmanDavid A. Watson
    • A61M5/14A61M39/02A61M5/00
    • A61M39/0208A61M2039/0211A61M2039/0214A61M2039/0226A61M5/1408
    • A subcutaneously implantable vascular access port includes a base which defines a plurality of fluid cavities separated by a dividing wall configured to provide an outlet duct for each fluid cavity, wherein the outlet ducts are staggered along the length of the dividing wall, a cap configured to receive the base and which includes a plurality of septum access apertures aligned with the fluid cavities, and a single self-sealing septum captured between the cap and the base. An outlet stem exits the base and communicates with the fluid cavities therein. The outlet stem has two prongs formed in a side-by-side configuration extending outwardly from the base. Fluid injected into a fluid cavity through the septum flows through a smooth transition region in which the cross-sectional area is smoothly reduced from the corresponding fluid cavity. A locking sleeve provides radial inward pressure upon the catheter which is slid over the outlet stem, thereby insuring that the catheter remains mounted on the outlet stem.
    • 皮下可植入的血管通路口包括基部,其限定由分隔壁分隔的多个流体空腔,该分隔壁被配置成为每个流体腔提供出口管,其中出口管沿着分隔壁的长度交错, 接收底座并且包括与流体空腔对准的多个隔膜通路孔,以及捕获在盖和基座之间的单个自密封隔膜。 出口杆离开基座并与其中的流体腔连通。 出口杆具有从基部向外延伸的并排构造形成的两个尖头。 通过隔膜注入流体腔的流体流过平滑过渡区域,其中横截面积从相应的流体腔平滑地减小。 锁定套筒在导管上提供径向向内的压力,其在出口杆上滑动,从而确保导管保持安装在出口杆上。
    • 88. 发明授权
    • Composite implantable biocompatible vascular access port device
    • 复合植入式生物相容血管通路装置
    • US5213574A
    • 1993-05-25
    • US755690
    • 1991-09-06
    • Elton M. Tucker
    • Elton M. Tucker
    • A61L29/02A61L29/04A61L29/06A61M39/02
    • A61M39/0208A61L29/02A61L29/04A61L29/06A61M2039/0226A61M2039/0229
    • A composite implantable biocompatible vascular access port device for delivering a fluid medication to or withdrawing a fluid medication from the body. The device has a non-metallic housing defining an interior chamber with inlet and outlet openings, a self-sealing penetrable septum, a metallic chamber liner, and a metallic delivery conduit. The septum closes the inlet opening and provides a seal through which fluids may be injected into or withdrawn from the chamber. The metallic chamber liner underlies and seals against the septum and cooperates with it to isolate the injected fluid medication from the housing and from leakage into body tissue. The metallic delivery conduit communicates with the interior of the liner, and extends through the outlet opening to convey fluid medication to the exterior of the housing.
    • 一种用于将流体药物输送到或从身体排出流体药物的复合植入式生物相容性血管进入口装置。 该装置具有非金属壳体,其限定具有入口和出口开口的内部腔室,自密封可穿透隔膜,金属室衬垫和金属输送导管。 隔膜关闭入口开口并提供密封,通过该密封可将流体注入或从室中注出。 金属室衬垫位于衬垫下方并密封隔膜,并将其与外壳隔离注入的流体药物和泄漏到身体组织中。 金属输送导管与衬垫的内部连通,并且延伸穿过出口开口以将流体药物输送到外壳的外部。
    • 90. 发明授权
    • Septum with a needle stop at the fluid transfer port
    • 隔垫在流体输送口用针停止
    • US4904241A
    • 1990-02-27
    • US262145
    • 1988-10-21
    • Jeffrey E. Bark
    • Jeffrey E. Bark
    • A61M39/02
    • A61M39/0208A61M2039/0226
    • The septum includes a fill chamber having a port that is reinforced or otherwise protected by a needle stop structure. The needle stop structure prevents a needle that has accessed the fill chamber from penetrating the fluid flow structure that extends from the fill chamber. In one embodiment of the invention, the needle stop structure overhangs the port thereby preventing a needle from entering the port. In a further embodiment of the invention the needle stop structure includes a nozzle-like annular collar which extends from the port into the fill chamber. In another embodiment of the invention, the needle stop structure includes a nozzle-like annular collar that extends from the port into the fluid flow structure. In yet another embodiment of the invention, the needle stop structure includes a cup-shaped structure that extends from the port into the fluid flow structure and has an opening in the fluid flow structure. In still another embodiment of the invention, the needle stop structure includes a conduit that extends from the port across the fill chamber. In all embodiments of the invention the needle stop structure is impermeable to penetrations by a needle and thus protects the fluid transfer structure from penetrations by a needle.
    • 隔膜包括一个填充室,其具有被针停止结构加强或以其它方式保护的端口。 针停止结构防止已经进入填充室的针穿透从填充室延伸的流体流动结构。 在本发明的一个实施例中,针停止结构突出于端口,从而防止针进入端口。 在本发明的另一实施例中,针止动结构包括从端口延伸到填充室中的喷嘴状环形套环。 在本发明的另一个实施例中,针止动结构包括从端口延伸到流体流动结构中的喷嘴状环形套环。 在本发明的另一个实施例中,针止动结构包括从端口延伸到流体流动结构中且在流体流动结构中具有开口的杯形结构。 在本发明的另一个实施例中,针止动结构包括从端口延伸穿过填充室的导管。 在本发明的所有实施例中,针止动结构不能穿过针头,从而保护流体转移结构不被针穿透。