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    • 2. 发明申请
    • ENDOLUMINAL EXPANSION SYSTEM
    • 内膜扩张系统
    • US20100331956A1
    • 2010-12-30
    • US12876779
    • 2010-09-07
    • Joseph R. ArmstrongEdward H. CullyCraig T. NordhausenMark J. UlmMichael J. Vonesh
    • Joseph R. ArmstrongEdward H. CullyCraig T. NordhausenMark J. UlmMichael J. Vonesh
    • A61F2/84
    • A61F2/958A61F2/95A61F2/97A61F2002/9511
    • An endoprosthesis expansion system having, in combination, a delivery component such as a length of catheter tubing having at its distal end an intermediate sheath component, and an inner tube within the full length of the delivery catheter and intermediate sheath component. The inner tube has a protrusion affixed to its distal end, and an expandable endoprosthesis is fitted in a compacted state about the intermediate sheath, immediately proximal to the protrusion. If the endoprosthesis is a self-expanding endoprosthesis (as is preferred), an exterior constraining sheath is required around the outer surface of the endoprosthesis. Following insertion of the endoprosthesis and delivery system into a body conduit (such as a blood vessel) and transport of the endoprosthesis to the desired site within the body conduit, the endoprosthesis is deployed by axially moving the protrusion against the system, thereby applying a radially directed outward force and causing simultaneous dilatation of the intermediate sheath and disruption of the exterior constraining sheath. Disruption of the exterior constraining sheath, in the case of a self-expanding prosthesis, releases the stored energy in the formerly constrained prosthesis, allowing it to expand and accomplish full deployment against the luminal surface of the body conduit at the desired site.
    • 一种内置假体扩张系统,其组合具有输送部件,例如一段长度的导管,其远端具有中间护套部件,并且在输送导管和中间护套部件的整个长度内具有内管。 内管具有固定在其远端的突起,并且可伸缩的内假体围绕中间护套紧密地装配在紧固突起的近侧。 如果内置假体是自扩张的内置假体(如优选的),则需要在内假体的外表面周围的外约束护套。 在将内假体和输送系统插入身体导管(例如血管)中并将内假体运送到体导管内的期望部位之后,通过将凸起轴向移动抵靠系统来展开内假体,从而施加径向 引导向外的力并引起中间鞘的同时扩张和外部约束鞘的破坏。 在自扩张假体的情况下,外部约束护套的破坏释放在先前约束的假体中的储存能量,允许其膨胀并且在所需位置处对体导管的腔表面完全完全展开。
    • 4. 发明授权
    • Endoluminal expansion system
    • 腔内扩张系统
    • US08177832B2
    • 2012-05-15
    • US12876779
    • 2010-09-07
    • Joseph R. ArmstrongEdward H. CullyCraig T. NordhausenMark J. UlmMichael J. Vonesh
    • Joseph R. ArmstrongEdward H. CullyCraig T. NordhausenMark J. UlmMichael J. Vonesh
    • A61F2/82
    • A61F2/958A61F2/95A61F2/97A61F2002/9511
    • An endoprosthesis expansion system having, in combination, a delivery component such as a length of catheter tubing having at its distal end an intermediate sheath component, and an inner tube within the full length of the delivery catheter and intermediate sheath component. The inner tube has a protrusion affixed to its distal end, and an expandable endoprosthesis is fitted in a compacted state about the intermediate sheath, immediately proximal to the protrusion. If the endoprosthesis is a self-expanding endoprosthesis (as is preferred), an exterior constraining sheath is required around the outer surface of the endoprosthesis. Following insertion of the endoprosthesis and delivery system into a body conduit (such as a blood vessel) and transport of the endoprosthesis to the desired site within the body conduit, the endoprosthesis is deployed by axially moving the protrusion against the system, thereby applying a radially directed outward force and causing simultaneous dilatation of the intermediate sheath and disruption of the exterior constraining sheath. Disruption of the exterior constraining sheath, in the case of a self-expanding prosthesis, releases the stored energy in the formerly constrained prosthesis, allowing it to expand and accomplish full deployment against the luminal surface of the body conduit at the desired site.
    • 一种内置假体扩张系统,其组合具有输送部件,例如一段长度的导管,其远端具有中间护套部件,并且在输送导管和中间护套部件的整个长度内具有内管。 内管具有固定在其远端的突起,并且可伸缩的内假体围绕中间护套紧密地装配在紧固突起的近侧。 如果内置假体是自扩张的内置假体(如优选的),则需要在内假体的外表面周围的外约束护套。 在将内假体和输送系统插入身体导管(例如血管)中并将内假体运送到体导管内的期望部位之后,通过将凸起轴向移动抵靠系统来展开内假体,从而施加径向 引导向外的力并引起中间鞘的同时扩张和外部约束鞘的破坏。 在自扩张假体的情况下,外部约束护套的破坏释放在先前约束的假体中的储存能量,允许其膨胀并且在所需位置处对体导管的腔表面完全完全展开。
    • 10. 发明申请
    • Embolic Filter Frame Having Looped Support Strut Elements
    • 具有环形支撑支柱元件的栓塞过滤器框架
    • US20120289997A1
    • 2012-11-15
    • US13555543
    • 2012-07-23
    • Edward H. CullyMichael J. Vonesh
    • Edward H. CullyMichael J. Vonesh
    • A61F2/01
    • A61F2/013A61F2002/018A61F2230/0006A61F2230/0067B23P11/00Y10T29/49826
    • An embolic frame having looped support struts. The frame configuration provides enhanced longitudinal compliance, improved sealing against a vessel wall, low profile delivery, and a short deployed length. The looped support struts have a high degree of “radial” stiffness with a low degree of “longitudinal” stiffness. In the deployed state, the frame exerts a relatively high stress onto a vessel wall to maintain an effective seal, yet remains compliant in the longitudinal direction. The looped support struts elongate when tensioned and assume a compressed and essentially linear form. While constrained in this linear state by a delivery catheter, the support struts exert minimal stress onto the delivery system. The overall delivery profile and stiffness are therefore reduced. When the delivery catheter constraint is removed during deployment, the struts “snap open” and assume a looped configuration which exert a high degree of force onto the vessel wall.
    • 具有环状支撑支柱的栓塞框架。 框架结构提供增强的纵向顺应性,改进的针对血管壁的密封,薄型输送和短部署长度。 环形支撑支柱具有高度的径向刚度,并且具有低程度的纵向刚度。 在展开状态下,框架在容器壁上施加相当高的应力以保持有效的密封,但在长度方向保持柔顺。 环形支撑件在张紧时伸长并呈现压缩且基本线性的形式。 虽然通过输送导管在这种线性状态下被约束,但是支撑支柱对输送系统施加最小的压力。 因此,总体输送轮廓和刚度降低。 当在展开期间移除输送导管约束时,支柱卡扣打开并且呈现向血管壁施加高度力的环形构造。