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    • 5. 发明申请
    • Medical grafting methods & apparatus
    • 医用嫁接方法及装置
    • US20030195535A1
    • 2003-10-16
    • US10411550
    • 2003-04-09
    • St. Jude Medical ATG, Inc.
    • William J. SwansonJason A. GaldonikPaul J. HindrichsGregory A. BoldenowTodd A. BergRick CorneliusLuis Bonilla
    • A61B017/08
    • A61B17/115A61B17/0644A61B17/11A61B46/17A61B2017/00557A61B2017/0641A61B2090/0801
    • Methods and apparatus for making an anastomotic connection between a first conduit and a second conduit. A connector structure having a first end portion and a second end portion is positioned about a balloon catheter, which when pressurized, expands to a significant extent at the distal end thereof. The balloon enlarges the connector structure when positioned at the distal end portion of the balloon to create the anastomosis, and at the same time reduces the axial length of the connector, thereby compressing the first conduit to the second conduit, creating a hemodynamic seal and a firm attachment of the two conduits. After enlargement, the connector structure remains in place and adds structure to the anastomosis. During introduction, the second end portion of the connector is covered by a nosecone assembly to prevent trauma to the second conduit while the apparatus is being introduced. The nosecone assembly has a flexible structure which may change configuration to expose the second set of members after insertion into the second conduit and to allow removal of the nosecone after deployment.
    • 用于在第一导管和第二导管之间进行吻合连接的方法和装置。 具有第一端部部分和第二端部部分的连接器结构围绕球囊导管定位,当加压时,其在其远端处显着扩张。 当定位在球囊的远端部分时,气囊扩大连接器结构以产生吻合,并且同时减小连接器的轴向长度,从而将第一导管压缩到第二导管,产生血流动力学密封和 坚固的连接两个管道。 放大后,连接器结构保持原位,并将结构添加到吻合中。 在引入期间,连接器的第二端部被鼻锥组件覆盖,以在装置被引入时防止对第二导管的创伤。 鼻锥组件具有柔性结构,其可以改变配置以在插入第二导管之后露出第二组构件,并且在展开之后允许去除鼻锥。
    • 8. 发明申请
    • Vessel cutting devices
    • 船舶切割装置
    • US20080039882A1
    • 2008-02-14
    • US11901550
    • 2007-09-17
    • Todd BergChristopher Prigge
    • Todd BergChristopher Prigge
    • A61B17/32
    • A61B17/11A61B17/32002A61B17/32053A61B2017/00243A61B2017/00252A61B2017/00557A61B2017/1107
    • A catheter-based system for accessing specific body cavities percutaneously and minimizing patient trauma is provided. In the preferred embodiment, in order to create an aperture at an access site in a patient's existing tubular body organ structure, a delivery sheath is passed axially along the interior of a portion of the existing tubular body organ structure to place a distal end of the delivery sheath near the access site. A centering wire is passed axially along the interior of the delivery sheath, piercing through from inside to outside of the patient's existing tubular body organ structure at the access site by causing an end portion of the centering wire to emerge from the distal end of the delivery sheath. A cutting catheter is passed substantially coaxially over the centering wire and axially along the interior of the delivery sheath. The aperture is formed by advancing a distal end of the cutting catheter through from inside to outside of the patient's existing tubular body organ structure at the access site and advancing the distal end of the delivery sheath through from inside to outside of the patient's existing tubular body organ structure at the access site.
    • 提供了一种基于导管的系统,用于经皮穿透特定体腔,并尽量减少患者的创伤。 在优选实施例中,为了在患者现有的管状体器官结构中的进入位置处形成孔,输送护套沿着现有管状体器官结构的一部分的内部轴向通过,以将该远端 输送护套靠近进入现场。 定心线沿着输送鞘的内部轴向通过,通过使定心线的端部从输送的远端出来,在进入位置处穿过患者现有管状体器官结构的内部到外部 鞘。 切割导管基本同轴地通过定心线并且沿着输送鞘的内部轴向地通过。 通过使切割导管的远端从进入位置处的患者现有的管状体器官结构的内部到外部前进并且将输送护套的远端从病人现有管状体的内部向外延伸而形成孔 器官结构在访问现场。