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    • 52. 发明申请
    • IMPLANTABLE ADJUSTABLE SPHINCTER SYSTEM
    • 可植入可调节式喷雾系统
    • US20090209995A1
    • 2009-08-20
    • US12030908
    • 2008-02-14
    • Randal T. ByrumThomas W. HuitemaWilliam L. Hassler, JR.
    • Randal T. ByrumThomas W. HuitemaWilliam L. Hassler, JR.
    • A61M29/00
    • A61F5/0059A61F2002/044
    • An implantable adjustable sphincter system is comprised of a band configured to encircle a portion of an anatomical passageway, a manual pump, a reservoir in fluid communication with the pump, and a valve assembly in fluid communication with the band and the manual pump. The valve assembly is comprised of a first configuration and a second configuration, and is operable to be manually switched between configurations. The first configuration only permits fluid to flow from the band toward the reservoir. The second configuration only permits fluid to flow from the reservoir toward the band. The manual pump is in fluid communication with the valve assembly and the reservoir, and is manually operable to transfer fluid between the reservoir and the band when the valve assembly is in the second configuration.
    • 植入式可调节括约肌系统包括构造成环绕解剖通道的一部分的带,手动泵,与泵流体连通的储存器,以及与带和手动泵流体连通的阀组件。 阀组件包括第一配置和第二配置,并且可操作以在配置之间手动切换。 第一种配置只允许流体从带状物流向贮存器。 第二种配置仅允许流体从储存器流向带。 手动泵与阀组件和储存器流体连通,并且当阀组件处于第二配置时,可手动操作以在储存器和带之间传送流体。
    • 54. 发明授权
    • Surgical biopsy device
    • 手术活检装置
    • US6007497A
    • 1999-12-28
    • US107845
    • 1998-06-30
    • Thomas W. Huitema
    • Thomas W. Huitema
    • A61B10/02A61B10/00A61M1/00A61B5/00
    • A61B10/0275A61B10/0283A61B2010/0208A61B2217/005
    • A biopsy probe is provided for the collection of at least one soft tissue sample from a surgical patient. The probe comprises a frame having distal and proximal ends. The probe further comprises an elongated piercing element attached to the distal end of the frame. The piercing element has a sharpened distal end for piercing tissue, and a port located proximal to the sharpened distal end for receiving a portion of tissue mass positioned adjacent to the port. The probe further includes an elongated cutter having proximal and distal ends. The cutter is disposed coaxially and slideably relative to the piercing element and has a cutting blade on the distal end for cutting the portion of tissue protruding into the port of the piercing element when the cutter slides distally past the port, thereby depositing the portion of cut tissue within the cutter lumen of the cutter proximal to the cutting blade. In one embodiment, the probe further includes a tissue remover disposed in the cutter lumen of the cutter and having a structure on the distal end for obstructing the cutter lumen so that a tissue sample protruding into the port and severed by the cutter is prevented from moving proximally through the cutter lumen. In another embodiment, the probe further comprises a distal frame seal, a proximal frame seal, and a proximal cutter seal for substantially preventing the passage of fluids through a first, a second, and a third radial space, respectively, within the probe. In a preferred embodiment, a valve is provided on the proximal end of the tissue remover for the releaseable attachment to a reservoir.
    • 提供活检探针用于从外科患者收集至少一个软组织样品。 探头包括具有远端和近端的框架。 探头还包括附接到框架的远端的细长穿刺元件。 刺穿元件具有用于刺穿组织的锋利的远端,以及位于锐化的远端附近的端口,用于接收邻近端口定位的组织块的一部分。 探头还包括具有近端和远端的细长切割器。 切割器相对于穿刺元件同轴且可滑动地设置,并且在远端上具有切割刀片,用于当切割器向远侧方向滑过端口时切割突出到穿孔元件的端口中的组织部分,从而沉积切割部分 切割器的切割器内腔内的组织靠近切割刀片。 在一个实施例中,探针还包括设置在切割器的切割器内腔中的组织移除器,并且具有在远端上的结构,用于阻塞切割器内腔,从而防止突出到端口中并被切割器切断的组织样本移动 在近端穿过切割器腔。 在另一个实施例中,探针还包括远端框架密封件,近端框架密封件和近端切割器密封件,用于基本上防止流体分别通过探针内的第一,第二和第三径向空间。 在优选实施例中,在组织移除器的近端上设置阀,以便可释放地连接到储存器。