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    • 2. 发明授权
    • Splittable dilator delivery system
    • 可分散扩张器输送系统
    • US09131959B2
    • 2015-09-15
    • US13214578
    • 2011-08-22
    • Louis B. GoodeChun Kee LuiRobert Booker
    • Louis B. GoodeChun Kee LuiRobert Booker
    • A61B17/34A61F2/97A61F2/966A61F2/95A61B19/00
    • A61B17/3468A61B17/3431A61B2090/037A61F2/95A61F2/966A61F2/97
    • A delivery system for an implantable member includes an elongated dilator splittable at both the proximal and distal ends. The dilator has a tapered distal end and a pair of tabs at the proximal end. An introducer for the implantable member is received in a passageway of the dilator and extends along a length of the dilator to the tapered distal end. The introducer is arranged relative to the dilator such that upon a relative proximal movement of the dilator, the tapered distal tip of the dilator splits whereby the distal end of the introducer extends therethrough. A handle has a gripping mechanism for engagement with each tab for initiating proximal movement of the dilator relative to the introducer upon rotation of the gripping mechanism. The handle is structured for splitting the dilator proximal portion upon the relative proximal movement of the dilator.
    • 用于可植入构件的递送系统包括在近端和远端处可分离的细长扩张器。 扩张器在近端具有锥形远端和一对突出部。 用于可植入构件的导引器容纳在扩张器的通道中并且沿着扩张器的长度延伸到锥形远端。 导引器相对于扩张器布置,使得在扩张器的相对近端移动时,扩张器的锥形远端分裂,从而导引器的远端延伸穿过其中。 手柄具有用于与每个突舌接合的夹紧机构,用于当夹持机构旋转时用于启动扩张器相对于导引器的近端运动。 手柄构造成用于在扩张器的相对近端移动时分离扩张器近端部分。
    • 5. 发明申请
    • VESSEL ENTRY DEVICE
    • 船舶输入装置
    • US20080071342A1
    • 2008-03-20
    • US11867984
    • 2007-10-05
    • Louis GoodeChun LuiRobert Booker
    • Louis GoodeChun LuiRobert Booker
    • A61N1/05
    • A61B17/32002A61B17/32053A61B17/3468A61B2017/00548A61N1/056A61N2001/0578
    • An entry device for providing access to the interior of a body vessel through a wall of the vessel to enable removal of an implanted structure, such as a cardiac lead, from the body vessel includes an elongated sheath member and a tip positioned at the distal end of the sheath member. The elongated sheath member and tip have respective passageways extending therethrough that are sized and aligned to receive the implanted structure therein upon accessing the vessel. The elongated sheath member is capable of delivering sufficient torque to permit advancement of the tip through a wall of the vessel. The device may include an optional handle, and may be driven by manual or mechanical action.
    • 一种进入装置,用于通过容器的壁提供对身体容器内部的通路,以便能够从身体容器移除诸如心脏引线的植入结构,包括细长的护套构件和位于远端的尖端 的护套构件。 细长的护套构件和尖端具有延伸穿过其中的相应通道,其大小和对准以在进入容器时接收其中的植入结构。 细长的护套构件能够提供足够的扭矩以允许尖端通过容器的壁前进。 该装置可以包括可选的手柄,并且可以通过手动或机械动作来驱动。
    • 6. 发明授权
    • Needle's eye snare
    • 针眼圈套
    • US5562678A
    • 1996-10-08
    • US458827
    • 1995-06-02
    • Robert Booker
    • Robert Booker
    • A61B17/22A61B17/28A61B17/32A61F2/00
    • A61B17/29A61B17/221A61B17/32056A61B2017/22035A61B2017/2212A61B2017/2215A61F2002/30093A61F2210/0019
    • A reversible snare (10) for grasping and retrieving an article (15) such as a cardiac lead from within a human or veterinary patient (20) includes a sheath member (25) adapted for introduction into the patient (20), and a retractable closed loop (30) carried by the sheath member (25). The closed loop (30) is composed of a shape memory material and defines a hook (35) adapted to partly encircle the article (15). The snare further includes a threader (45) also carried by the sheath member (25), the threader (45) being reversibly extendable through the closed loop (30) (like a thread through a needle's eye) so that the hook (35) and threader (45) can fully encircle the article (15). Retraction of the closed loop (30) causes the hook (35) and threader (45) to close around the article (15) and permit its withdrawal into the sheath member (25). Independent retraction of the threader (45) allows the hook (35) to disengage from the article (15). The closed loop (30) and threader (45) are both preferably composed of nitinol wire, and the loop (30) possesses a nose (40) narrower than the inside diameter of the sheath member (25), in order to minimize deformation or fracture of the closed loop (30) during repeated extension and retraction. The sheath member (25) preferably includes conventional outer and inner femoral workstation sheaths (60 and 65), as well as an inner dilator sheath (55) carrying the closed loop (30) and threader (45). The snare (10) is particularly advantageous in that it can be repeatedly disengaged and reengaged with the cardiac lead or other article (15) without suffering any decrease in its utility or degradation of its components.
    • 用于从人或兽医患者(20)内抓取和取回诸如心脏引线的物品(15)的可逆圈套(10)包括适于引入患者(20)的护套构件(25)和可伸缩的 由所述护套构件(25)承载的闭环(30)。 闭环(30)由形状记忆材料构成并且限定适于部分环绕物品(15)的钩(35)。 所述圈套还包括由所述护套构件(25)承载的穿线器(45),所述穿线器(45)可逆地延伸穿过所述闭合环(30)(如穿过针眼的线),使得所述钩子(35) 和穿线器(45)可以完全包围物品(15)。 闭合回路(30)的收缩使得钩(35)和穿线器(45)围绕物品(15)关闭并允许其退回到护套构件(25)中。 穿线器(45)的独立缩回允许钩(35)从制品(15)脱离。 闭环(30)和穿线器(45)都优选地由镍钛诺导线组成,并且环(30)具有比护套构件(25)的内径更窄的鼻(40),以便最小化变形或 在重复的延伸和缩回过程中闭环(30)的断裂。 护套构件(25)优选地包括传统的外部和内部股骨工作站护套(60和65)以及承载闭环(30)和穿线器(45)的内部扩张器护套(55)。 圈套(10)特别有利的是,它可以与心脏引线或其他物品(15)重复地脱离并重新接合,而不会使其组件的效用或劣化受到任何降低。
    • 10. 发明申请
    • SPLITTABLE DILATOR DELIVERY SYSTEM
    • 可分散式输送系统
    • US20130053780A1
    • 2013-02-28
    • US13214578
    • 2011-08-22
    • Louis B. GoodeChun Kee LuiRobert Booker
    • Louis B. GoodeChun Kee LuiRobert Booker
    • A61B17/34
    • A61B17/3468A61B17/3431A61B2090/037A61F2/95A61F2/966A61F2/97
    • A delivery system for an implantable member includes an elongated dilator splittable at both the proximal and distal ends. The dilator has a tapered distal end and a pair of tabs at the proximal end. An introducer for the implantable member is received in a passageway of the dilator and extends along a length of the dilator to the tapered distal end. The introducer is arranged relative to the dilator such that upon a relative proximal movement of the dilator, the tapered distal tip of the dilator splits whereby the distal end of the introducer extends therethrough. A handle has a gripping mechanism for engagement with each tab for initiating proximal movement of the dilator relative to the introducer upon rotation of the gripping mechanism. The handle is structured for splitting the dilator proximal portion upon the relative proximal movement of the dilator.
    • 用于可植入构件的递送系统包括在近端和远端处可分离的细长扩张器。 扩张器在近端具有锥形远端和一对突出部。 用于可植入构件的导引器容纳在扩张器的通道中并且沿着扩张器的长度延伸到锥形远端。 导引器相对于扩张器布置,使得在扩张器的相对近端移动时,扩张器的锥形远端分裂,从而导引器的远端延伸穿过其中。 手柄具有用于与每个突舌接合的夹紧机构,用于当夹持机构旋转时用于启动扩张器相对于导引器的近端运动。 手柄构造成用于在扩张器的相对近端移动时分离扩张器近端部分。