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    • 111. 发明申请
    • FILTER ELEMENT FOR EMBOLIC PROTECTION DEVICE
    • 滤波器元件保护装置
    • US20070282368A1
    • 2007-12-06
    • US11562616
    • 2006-11-22
    • David ValeEamon Brady
    • David ValeEamon Brady
    • A61M29/00
    • A61F2/013A61F2/01A61F2002/015A61F2002/018A61F2230/0006A61F2230/0067A61F2250/0018A61F2250/0036A61F2250/0067
    • A collapsible filter element (105) for a transcatheter embolic protection device (100) comprises a collapsible filter body (30) which is movable between a collapsed stored position for movement through a vascular system and an expanded position for extension across a blood vessel such that blood passing through the blood vessel is delivered through the filter element (105). A proximal inlet portion of the filter body (30) has one or more inlet openings (117) sized to allow blood and embolic material enter the filter body (30) and a distal outlet portion of the filter body (30) has a plurality of outlet openings (119) sized to allow through-passage of blood, but to retain embolic material within the filter body (30). The filter body (30) is at least partially of laminate construction comprising a membrane (31) coated with a coating (32, 33) which is biocompatible, the thickness of the coating (32, 33) being from 4% to 40% of the thickness of the membrane (31). The coating (32, 33) man be of hydrophilic material. To facilitate retrieval of captured embolic material the distal portion and/or an intermediate portion of the filter membrane (31) may be stretchable. The filter body (30) may have regions of varying hardness or stiffness.
    • 用于经导管栓塞保护装置(100)的可折叠过滤器元件(105)包括可折叠过滤器主体(30),其可在通过血管系统移动的折叠存储位置和用于跨越血管延伸的扩展位置之间移动,使得 通过血管的血液通过过滤元件(105)输送。 过滤器主体(30)的近侧入口部分具有一个或多个入口开口(117),其大小允许血液和栓塞物质进入过滤器主体(30),并且过滤器本体(30)的远端出口部分具有多个 出口开口(119)的尺寸允许血液通过,但是将栓塞材料保持在过滤体(30)内。 过滤器主体(30)至少部分是层压结构,其包括涂覆有生物相容性的涂层(32,33)的膜(31),涂层(32,33)的厚度为4%至40% 膜(31)的厚度。 涂层(32,33)是亲水材料。 为了便于捕获的栓塞材料的取出,过滤膜(31)的远端部分和/或中间部分可以是可拉伸的。 过滤器主体(30)可以具有变化的硬度或刚度的区域。
    • 118. 发明授权
    • Device for loading an embolic protection filter into a catheter
    • 用于将栓塞保护过滤器装载到导管中的装置
    • US07717936B2
    • 2010-05-18
    • US11408732
    • 2006-04-18
    • Ronan KeatingDavid ValeJohn Neilan
    • Ronan KeatingDavid ValeJohn Neilan
    • A61M29/00
    • A61F2/01A61F2002/011A61F2230/0006
    • A transvascular embolic protection system for safely capturing and retaining embolic material released during an interventional procedure comprises an embolic protection device (1) and a delivery catheter (2) for delivery of the embolic protection device (1) to a desired location in the vascular system. A pack (4) is provided to safely store and prepare the embolic protection system for use. The pack (4) comprises a tray (5) with a channel (6) extending in a looped configuration around the tray (5) for receiving the delivery catheter (2). A loading device (7) is mounted in the tray (5) adjacent to the delivery catheter (2). The embolic protection device (1) is mounted in an expanded configuration in a well (90) in the tray (5). A pushing device (8) for loading the collapsible embolic protection device (1) into the delivery catheter (2) is mounted in the tray (5) adjacent to the embolic protection device (1).
    • 一种用于安全捕获和保持在介入手术期间释放的栓塞物质的血管内栓塞保护系统,包括用于将栓塞保护装置(1)输送到血管系统中所需位置的栓塞保护装置(1)和输送导管(2) 。 提供一包(4)以安全地存储和准备使用的栓塞保护系统。 所述包装盒(4)包括托盘(5),所述托盘(5)具有围绕所述托盘(5)以环形构造延伸的通道(6),用于接纳所述输送导管(2)。 装载装置(7)安装在邻近输送导管(2)的托盘(5)中。 栓塞保护装置(1)以扩展构造安装在托盘(5)中的井(90)中。 用于将可折叠栓塞保护装置(1)装载到输送导管(2)中的推动装置(8)安装在邻近栓塞保护装置(1)的托盘(5)中。
    • 119. 发明申请
    • Embolic protection device
    • 栓塞保护装置
    • US20060293705A1
    • 2006-12-28
    • US11406822
    • 2006-04-18
    • John NeilanRonan KeatingDavid Vale
    • John NeilanRonan KeatingDavid Vale
    • A61M29/00
    • A61F2/013A61B2017/22051A61B2017/22067A61F2002/011A61F2002/015A61F2002/018A61F2230/0006A61F2230/0067
    • An embolic protection device (2000) comprises a collapsible filter body (102), a filter support (103) for supporting the filter body (102), and a tubular member (108) to which the filter support (103) is mounted. The filter support (103) comprises two round wires (116). Each wire (116) has a “M”-shaped curve (120) in the wire (116) which acts as a strain distributing linking element. In an extended configuration, the concave portion of each curve (120) faces longitudinally in the distal direction. In a collapsed configuration, the concave portion faces radially inwardly towards the tubular member (108) and wraps around part of the tubular member (108) to define a compact, low-profile filter support (103). Tethers (500, 501) extend between the curves (120) and a sleeve (201) slidably mounted to the tubular member (108). The distal end of each tether (500, 501) is fixedly attached to the sleeve (201) and to the filter body (102). The sleeve (201) is slidable over the tubular member (108) between a pair of stops.
    • 栓塞保护装置(2000)包括可折叠过滤器主体(102),用于支撑过滤器本体(102)的过滤器支撑件(103)和安装过滤器支撑件(103)的管状构件(108)。 过滤器支撑件(103)包括两根圆形线(116)。 每根线(116)在线(116)中具有“M”形曲线(120),其作为应变分布连接元件。 在延伸构造中,每个曲线(120)的凹部在远端方向上面向纵向。 在折叠构造中,凹部朝向管状构件(108)径向向内,并且围绕管状构件(108)的一部分缠绕以限定紧凑的低轮廓过滤器支撑件(103)。 系带(500,501)在曲线(120)和可滑动地安装到管状构件(108)的套筒(201)之间延伸。 每个系绳(500,501)的远端固定地连接到套筒(201)和过滤器主体(102)上。 套筒(201)可在一对止动件之间在管状构件(108)上滑动。
    • 120. 发明申请
    • DEVICE FOR LOADING AN EMBOLIC PROTECTION FILTER INTO A CATHETER
    • 用于将防爆过滤器装入导管的装置
    • US20110034951A1
    • 2011-02-10
    • US12772463
    • 2010-05-03
    • Ronan KeatingDavid ValeJohn NEILAN
    • Ronan KeatingDavid ValeJohn NEILAN
    • A61F2/01
    • A61F2/01A61F2002/011A61F2230/0006
    • A device for loading an embolic protection filter into a catheter including a loading member for collapsing an embolic protection filter, wherein an outlet of the loading member is configured to be aligned with an inlet of a catheter extending along at least part of an exterior surface of the catheter for loading of the collapsed embolic protection filter into the catheter. The loading member may have a passageway extending therethrough, through which an embolic protection filter may be passed to collapse the embolic protection filter. The outlet of the loading member may include an outlet of the passageway that is at least partially funnel-shaped. The loading member may include a tubular part extendable along part of an exterior surface of a catheter, the outlet of the loading member being provided at an end of the tubular part.
    • 一种用于将栓塞保护过滤器装载到导管中的装置,包括用于塌陷栓塞保护过滤器的装载构件,其中装载构件的出口构造成与沿着至少部分外表面延伸的导管的入口对准 用于将塌陷的栓塞保护过滤器装载到导管中的导管。 装载构件可以具有穿过其中的通道,栓塞保护过滤器可以通过该通道通过以使栓塞保护过滤器收缩。 装载构件的出口可以包括至少部分漏斗形的通道出口。 装载构件可以包括可沿着导管的外表面的一部分延伸的管状部分,装载构件的出口设置在管状部分的端部。