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    • 4. 发明申请
    • Composite stent with inner and outer stent elements and method of using the same
    • 具有内外支架元件的复合支架及其使用方法
    • US20050113904A1
    • 2005-05-26
    • US10720176
    • 2003-11-25
    • Peter ShankF. Headley
    • Peter ShankF. Headley
    • A61F2/00A61F2/86A61F2/06
    • A61F2/86A61F2/07A61F2/90A61F2002/075A61F2220/0016A61F2220/005A61F2220/0066A61F2220/0075A61F2230/0078A61F2250/0067
    • A composite stent structure includes separate and distinct stent elements or members: an outer stent element and an inner stent element removably attached to the outer stent element. The outer element may be, for example, a bioabsorbable stent typically constructed of a relatively non-resilient material such that the outer bioabsorbable stent element may not be self-expanding and subject to migration within the lumen over time. In contrast, the inner element may be, for example, a removable SEMS used to urge and maintain the outer element in position in the body lumen. The temporary inner SEMS may retain the composite structure (including the underlying inner element) in position until such time as the outer element is appropriately incorporated into the surrounding tissue or some other criteria occurs such that the removal of the SEMS is indicated. The SEMS may then be detached from the outer element and removed from the body lumen.
    • 复合支架结构包括分开且不同的支架元件或构件:外支架元件和可移除地附接到外支架元件的内支架元件。 外部元件可以是例如通常由相对非弹性材料构成的生物可吸收支架,使得外部生物可吸收支架元件可能不会自我扩张并且随着时间内在腔内迁移。 相反,内部元件可以是例如用于将外部元件推动并保持在体腔内的适当位置的可移除的SEMS。 临时内部SEMS可以将复合结构(包括下面的内部元件)保持在适当位置,直到外部元件适当地结合到周围组织中或者出现一些其它标准,以便指出移除SEMS。 然后可以将SEMS从外部元件分离并从体腔中移出。
    • 9. 发明授权
    • Anchors with biodegradable constraints
    • 具有可生物降解约束的锚点
    • US08834553B2
    • 2014-09-16
    • US13045363
    • 2011-03-10
    • David A. MelansonChristopher NuttingBarry MaxwellPeter ShankJohn Panek
    • David A. MelansonChristopher NuttingBarry MaxwellPeter ShankJohn Panek
    • A61F2/06A61F2/04A61F5/00A61F2/848
    • A61F5/0076A61F2/04A61F2002/045A61F2002/8483A61F2220/0016A61F2250/0031
    • An implant includes a collapsible anchor to be deployed within a lumen and a protrusion coupled to the anchor. The protrusion, in a constrained state, extends a distance from an exterior surface of the anchor and, in an unconstrained state, extends further from the exterior surface of the anchor. Also included is a biodegradable constraint, such as a biodegradable tube or suture, configured to maintain the protrusion in the constrained state until the constraint releases. The implant may include additional biodegradable constraints, each constraint configured to maintain the protrusion in a different constrained state and to degrade over a different predetermined period after the implant has been deployed within the lumen. The protrusion may include a bi-directional barb or an open loop. The protrusion may be configured to penetrate a wall of the lumen and to allow tissue to grow about the protrusion. The implant may also include an unsupported, thin-walled sleeve coupled to the anchor and configured to extend into the lumen upon deployment of the collapsible anchor.
    • 植入物包括待部署在内腔内的可折叠锚固件和联接到锚固件的突出部。 处于受约束状态的突起从锚的外表面延伸一段距离,并且在非约束状态下从锚的外表面进一步延伸。 还包括可生物降解的约束,例如可生物降解的管或缝合线,其被配置为将突起保持在约束状态直到约束释放。 植入物可以包括额外的可生物降解的约束,每个约束被配置为将突起保持在不同的约束状态,并且在植入物已经在内腔中展开之后在不同的预定时间段内降解。 突起可以包括双向倒钩或开环。 突出部可以构造成穿过内腔的壁并允许组织围绕突起生长。 植入物还可以包括未支撑的薄壁套筒,其联接到锚固件并且构造成在展开可折叠锚固件时延伸到内腔中。
    • 10. 发明申请
    • PROSTHESIS LOADING DELIVERY AND DEPLOYMENT APPARATUS
    • PROSTHESIS加载交付和部署设备
    • US20090171434A1
    • 2009-07-02
    • US12336596
    • 2008-12-17
    • Emily RuskPeter ShankMichael Abi-Kheirs
    • Emily RuskPeter ShankMichael Abi-Kheirs
    • A61F2/06A61B19/00
    • A61F2/95A61F2002/9522
    • Prosthesis loading and deploying systems include a capturing device with a proximal stent-engaging member and an elongate pulling member extending distally from the stent-engaging member. With a prosthesis or stent in a relaxed or enlarged-radius state, the pulling member is guided distally through a delivery catheter, pulling the stent-engaging member and prosthesis into the catheter lumen to progressively radially compress the prosthesis to a reduced-radius state. Simultaneously the distal end region of an elongate control device is maintained within a proximal region of the prosthesis, so that the prosthesis is compressed about the control device distal end region as these components enter the catheter. When the prosthesis is compressed about the control device, it tends to follow axial movement of the control device, thus to afford reliable positional control of the prosthesis inside the catheter by manipulating the control device.
    • 假体装载和展开系统包括具有近端支架接合构件的捕获装置和从支架接合构件向远侧延伸的细长牵引构件。 通过假体或支架处于松弛或扩大的半径状态,拉动构件被向远侧引导通过输送导管,将支架接合构件和假体拉入导管内腔,以将假体逐渐径向压缩至缩径半径状态。 同时,细长控制装置的远端区域保持在假体的近侧区域内,使得假体在这些部件进入导管时围绕控制装置远端区域被压缩。 当假体围绕控制装置被压缩时,其倾向于跟随控制装置的轴向移动,从而通过操纵控制装置来提供对导管内的假体的可靠的位置控制。