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    • 2. 发明授权
    • Catheter assembly with controlled release endoluminal prosthesis and method for placing
    • 具有控制释放腔内假体的导管组件和放置方法
    • US06238430B1
    • 2001-05-29
    • US09400952
    • 1999-09-22
    • Katherine J. KlumbThomas J. FogartyKirti P. KamdarBradley B. Hill
    • Katherine J. KlumbThomas J. FogartyKirti P. KamdarBradley B. Hill
    • A61F206
    • A61F2/958A61F2/07A61F2/88A61F2/954A61F2002/065A61F2002/067A61F2002/075A61F2002/9511A61F2002/9517A61F2220/005A61F2220/0058A61F2220/0075A61F2250/0018A61F2250/0039
    • A catheter assembly includes a coiled endoluminal prosthesis (122, 190, 198) and a catheter (136) having at least first and second telescoping shafts (138, 140, 142). The prosthesis is releasably engaged to the distal ends (144, 146, 148) of the telescoping shafts. The prosthesis is capable of assuming a second, expanded diameter state from a first, reduced diameter state. The length and number of turns (128) of the coiled prosthesis can be changed by the relative translation and rotation of the shafts. The catheter assembly is especially useful for placing a coiled stent graft (122), in which one turn (132, 134) of the prosthesis has a greater pitch than the adjacent turns, at the intersection (184) of a bifurcation within a blood vessel (182). Remotely viewable marker elements (188, 190, 191, 192, 193, 195, 197) may be used and include a marker element (193, 190A, 197) configured to indicate orientation as well as axial position of the prosthesis. The ends of the prosthesis may be substantially less stiff than the remainder of the prosthesis and/or shaped to help prevent tissue trauma.
    • 导管组件包括螺旋的腔内假体(122,190,198)和具有至少第一和第二伸缩轴(138,140,​​142)的导管(136)。 假体可释放地接合到伸缩轴的远端(144,146,148)。 该假体能够从第一直径减小状态来呈现第二扩张直径状态。 线圈假体的长度和匝数(128)可以通过轴的相对平移和旋转来改变。 所述导管组件特别适用于放置卷绕的支架移植物(122),其中所述假体的一匝(132,134)在相对于匝内的分叉处的距离(184)处具有比相邻匝更大的间距 (182)。 远程可见的标记元件(188,190,191,192,193,195,197)可以被使用并且包括构造成指示假体的取向以及轴向位置的标记元件(193,190A,197)。 假体的端部可能比假体的其余部分基本上较硬,和/或成形为有助于防止组织损伤。
    • 4. 发明授权
    • Endoluminal prosthesis placing method
    • 腔内假体放置法
    • US06488700B2
    • 2002-12-03
    • US09826204
    • 2001-04-04
    • Katherine J. KlumbThomas J. FogartyKirti P. KamdarBradley B. Hill
    • Katherine J. KlumbThomas J. FogartyKirti P. KamdarBradley B. Hill
    • A61F206
    • A61F2/958A61F2/07A61F2/88A61F2/954A61F2002/065A61F2002/067A61F2002/075A61F2002/9511A61F2220/005A61F2220/0058A61F2250/0018A61F2250/0039
    • A catheter assembly includes a coiled endoluminal prosthesis (122, 190, 198) and a catheter (136) having at least first and second telescoping shafts (138, 140, 142). The prosthesis is releasably engaged to the distal ends (144, 146, 148) of the telescoping shafts. The prosthesis is capable of assuming a second, expanded diameter state from a first, reduced diameter state. The length and number of turns (128) of the coiled prosthesis can be changed by the relative translation and rotation of the shafts. The catheter assembly is especially useful for placing a coiled stent graft (122), in which one turn (132, 134) of the prosthesis has a greater pitch than the adjacent turns, at the intersection (184) of a bifurcation within a blood vessel (182). Remotely viewable marker elements (188, 190, 191, 192, 193, 195, 197) may be used and include a marker element (193, 190A, 197) configured to indicate orientation as well as axial position of the prosthesis. The ends of the prosthesis may be substantially less stiff than the remainder of the prosthesis and/or shaped to help prevent tissue trauma.
    • 导管组件包括螺旋的腔内假体(122,190,198)和具有至少第一和第二伸缩轴(138,140,​​142)的导管(136)。 假体可释放地接合到伸缩轴的远端(144,146,148)。 该假体能够从第一直径减小状态来呈现第二扩张直径状态。 线圈假体的长度和匝数(128)可以通过轴的相对平移和旋转来改变。 所述导管组件特别适用于放置卷绕的支架移植物(122),其中所述假体的一匝(132,134)在相对于匝内的分叉处的距离(184)处具有比相邻匝更大的间距 (182)。 远程可见的标记元件(188,190,191,192,193,195,197)可以被使用并且包括构造成指示假体的取向以及轴向位置的标记元件(193,190A,197)。 假体的端部可能比假体的其余部分基本上较硬,和/或成形为有助于防止组织损伤。
    • 7. 发明授权
    • Portocaval-right atrial shunt
    • 波尔卡瓦尔右心房分流
    • US5879321A
    • 1999-03-09
    • US787413
    • 1997-01-22
    • Bradley B. Hill
    • Bradley B. Hill
    • A61F2/06A61M25/00A61M5/00
    • A61M25/00A61F2/06A61F2/064A61F2002/061A61F2002/065
    • A shunt includes a tubular body having first and second legs at a proximal end and a third leg at a distal end. A fluid distensible balloon and cooperating insufflation conduit are carried on the tubular body. The first leg of the tubular body includes a longitudinal slit for receiving the second leg whereby the first and second legs may be positioned substantially coaxial so as to allow easier introduction of the shunt into the blood vessel of a patient. Similarly, the second leg having a longitudinally slit for receiving a portion of the cooperating insufflation conduit and also holding it in a coaxial position. A leader tube with a blunt atraumatic tip is received over the proximal end of the tubular body to further aid in the introduction of the shunt.
    • 分流器包括管状体,其在近端具有第一和第二腿部,在远端具有第三腿部。 流体膨胀气囊和配合吹气导管承载在管体上。 管状体的第一腿包括用于接纳第二腿的纵向狭缝,由此第一和第二腿可以基本上同轴地定位,以便容易地将分流器引入患者的血管。 类似地,第二腿具有用于接收协作的吹气管道的一部分并且还将其保持在同轴位置的纵向狭缝。 具有钝性无创尖端的引导管被容纳在管状体的近端上,以进一步有助于分流器的引入。
    • 9. 发明授权
    • Angled snare assembly
    • 有角度的圈套组装
    • US5752961A
    • 1998-05-19
    • US703162
    • 1996-08-28
    • Bradley B. Hill
    • Bradley B. Hill
    • A61B17/22A61B17/32A61B17/24
    • A61B17/221A61B17/32056A61B2017/2212
    • A snare assembly includes an outer, flexible sheath having a distal opening and a loop received for relative sliding movement with respect to the sheath. The loop has a proximal end and a distal end. The loop is formed from a resilient wire and includes a substantially 180.degree. reverse bend at a midpoint forming the distal end and the ends of the wire are fastened together at the proximal end. A control handle is carried on the sheath for extending and retracting the loop out of and into the sheath through the distal opening. A flexible connector connects the control handle to the proximal end of the loop.
    • 圈套组件包括外部柔性护套,其具有远侧开口和接收的环,用于相对于护套的相对滑动运动。 环具有近端和远端。 该环由弹性线形成,并且在形成远端的中点处包括大致180°的反向弯曲,并且线的端部在近端处紧固在一起。 控制手柄承载在护套上,用于通过远端开口将环路伸出和套入护套中。 柔性连接器将控制手柄连接到回路的近端。