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80 条记录 (耗时 0.029 秒)

    Balloon catheters and methods for manufacturing balloons for balloon catheters
    41.
    发明授权
    Balloon catheters and methods for manufacturing balloons for balloon catheters 有权
    球囊导管及球囊导管球囊的制造方法

    公开(公告)号：US08034280B2

    公开(公告)日：2011-10-11

    申请号：US12552223

    申请日：2009-09-01

    申请人： Afsar Ali ,  Daniel J. Horn ,  Jan Weber ,  Scott Schewe

    发明人： Afsar Ali ,  Daniel J. Horn ,  Jan Weber ,  Scott Schewe

    IPC分类号： B29C55/00 ,  H05B6/00 ,  B29C39/02 ,  D02J1/06 ,  A61M29/00 ,  A61M29/02

    CPC分类号： A61M25/1027 ,  A61M2025/1063 ,  B29C49/00 ,  B29C2035/0838 ,  B29C2035/0855 ,  B29C2049/0089 ,  B29C2791/001 ,  B29C2791/009 ,  B29K2105/258 ,  B29L2031/7542

    摘要： Catheters, balloons, and methods of manufacturing balloons for balloon catheters using lasers are disclosed. A catheter with a shaft sized for use with a 0.014 inch guide wire includes a polymeric balloon having a body portion with an inflated outer diameter of more than 6 millimeters. An inflatable balloon includes an inflated outer diameter to inner waist diameter ratio of 12.5 to 1. An inflatable polymeric balloon that has a body portion with two regions that have different molecular orientations is also provided. A method of processing an elongate polymeric material includes heating a portion of the polymeric material with a laser while longitudinally stretching the portion of the polymeric material. A method of manufacturing a balloon includes heating and longitudinally stretching a first and second portion of an elongate polymeric tube to form first and second end portion. The remaining body portion is radially expanded to form the balloon.

    摘要翻译： 公开了使用激光器的球囊导管制造气球的导管，球囊和方法。 具有尺寸与0.014英寸导丝一起使用的轴的导管包括具有膨胀外径大于6毫米的主体部分的聚合物球囊。 可充气气囊包括膨胀的外径至内腰直径比为12.5:1。还提供具有主体部分的充气聚合球囊，其具有不同分子取向的两个区域。 处理细长聚合材料的方法包括在纵向拉伸聚合材料的一部分的同时用激光加热聚合材料的一部分。 制造球囊的方法包括加热并纵向拉伸细长聚合物管的第一和第二部分以形成第一和第二端部。 剩余的主体部分被径向扩张以形成气球。

    Method and apparatus for extruding polymers employing microwave energy
    48.
    发明授权
    Method and apparatus for extruding polymers employing microwave energy 失效
    使用微波能量挤出聚合物的方法和装置

    公开(公告)号：US07163655B2

    公开(公告)日：2007-01-16

    申请号：US10347005

    申请日：2003-01-17

    申请人： Jan Weber ,  Scott Schewe

    发明人： Jan Weber ,  Scott Schewe

    IPC分类号： H05B6/78 ,  H05B6/64 ,  B29C43/30 ,  B29C43/26 ,  B29C47/06 ,  B29C47/24 ,  A61M25/10 ,  A61M25/16 ,  B29C61/06

    CPC分类号： A61M25/1029 ,  A61M25/1027 ,  A61M25/1034 ,  A61M25/1036 ,  B29B13/024 ,  B29C33/06 ,  B29C35/0805 ,  B29C45/14655 ,  B29C47/0023 ,  B29C47/0026 ,  B29C47/0033 ,  B29C47/0071 ,  B29C47/86 ,  B29C47/862 ,  B29C47/8835 ,  B29C47/884 ,  B29C47/8895 ,  B29C47/903 ,  B29C47/907 ,  B29C49/0042 ,  B29C49/64 ,  B29C49/66 ,  B29C49/78 ,  B29C49/783 ,  B29C2035/0855 ,  B29C2049/0089 ,  B29C2793/009 ,  B29K2105/258 ,  B29L2022/022 ,  B29L2031/7542 ,  H05B6/80

    摘要： An apparatus and method for molding balloon catheters is disclosed. The balloon may be molded by providing a polymeric tube within a mold having an interior cavity in the shape of the desired balloon. Microwave energy, which may be generated by a gyrotron, may then be directed toward the mold, to heat the polymeric material without heating the mold. Once heated, pressurized fluid may be injected into the tube to blow the polymeric material against the interior cavity whereupon the material can cool to form the balloon or can be further heatset by additional microwave energy and be cooled to form the balloon. In accordance with one embodiment, microwave energy can also be used without a mold to form a medical device. A polymer extrusion apparatus is disclosed utilizing a microwave energy for heating polymer feedstock material within the extruder tip and die unit just prior to formation of the extrudate product. A cooling bath mechanism, which in one embodiment can also include a cooling tube member having a cooling medium forced therethrough, is also disclosed. An apparatus for preparing polymer disk members, to use as the polymer feedstock material for the microwave extrusion apparatus, is also disclosed. Apparatus for interconnecting and rotating the polymer disk members, the die tip, or the die, or any combination thereof, for creating angularity characteristics in the polymer extrudate, is also disclosed.

    摘要翻译： 公开了一种用于模制球囊导管的装置和方法。 可以通过在具有所需球囊形状的内部空腔的模具内提供聚合物管来模制球囊。 可以由陀螺仪产生的微波能量然后可以被引向模具，以加热聚合材料而不加热模具。 一旦加热，加压流体可以被注入到管中以将聚合物材料吹向内部空腔，由此该材料可以冷却以形成球囊，或者可以通过额外的微波能量进一步热固并被冷却以形成气囊。 根据一个实施例，微波能量也可以在没有模具的情况下用于形成医疗装置。 公开了一种聚合物挤出设备，其利用微波能量来在挤出物产物形成之前在挤出机顶端和模具单元内加热聚合物原料。 还公开了一种冷却浴机构，其在一个实施例中还可以包括具有强制通过其中的冷却介质的冷却管构件。 还公开了一种用于制备用于微波挤出装置的聚合物原料的聚合物盘构件的装置。 还公开了用于互连和旋转聚合物盘构件，模头或模具或其任何组合的装置，用于在聚合物挤出物中产生角度特性。

    VASCULAR CLOSURE PLUG WITH PROXIMAL CAP AND METHODS OF USE
    50.
    发明申请
    VASCULAR CLOSURE PLUG WITH PROXIMAL CAP AND METHODS OF USE 审中-公开
    具有临床CAP的血管闭塞插管和使用方法

    公开(公告)号：US20120232582A1

    公开(公告)日：2012-09-13

    申请号：US13416053

    申请日：2012-03-09

    申请人： Kristopher Vietmeier ,  Scott Schewe ,  David Rolf

    发明人： Kristopher Vietmeier ,  Scott Schewe ,  David Rolf

    IPC分类号： A61B17/08

    CPC分类号： A61B17/0401 ,  A61B2017/00889 ,  A61B2017/0414 ,  A61B2017/0419 ,  A61B2017/042

    摘要： The disclosure pertains to a vascular closure plug having a reinforced proximal end and methods of use therefor. The reinforcement may comprise a proximal force distributing member and a plurality of plug restraining members thereby tending to limit tearing or spreading of at least the proximal end of the vascular closure plug. In some embodiments, the reinforcement may also comprise a distal force distributing member and a plurality of plug restraining members, a circumferential collar, and/or a supplemental force distributing member.

    摘要翻译： 本公开涉及具有增强的近端的血管闭合塞及其使用方法。 加强件可以包括近侧力分配构件和多个塞子限制构件，从而趋向于限制至少血管闭塞塞的近端的撕裂或扩展。 在一些实施例中，加强件还可以包括远侧力分配构件和多个塞子限制构件，周向套环和/或补充力分配构件。