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    SYSTEMS AND METHODS FOR FATIGUE TESTING STENTS
    1.
    发明申请
    SYSTEMS AND METHODS FOR FATIGUE TESTING STENTS 失效
    用于疲劳试验的系统和方法

    公开(公告)号：US20080047356A1

    公开(公告)日：2008-02-28

    申请号：US11511096

    申请日：2006-08-28

    申请人： Erin Black ,  Robert Burgermeister ,  Randy-David Burce Grishaber ,  David W. Overaker

    发明人： Erin Black ,  Robert Burgermeister ,  Randy-David Burce Grishaber ,  David W. Overaker

    IPC分类号： G01N3/32

    CPC分类号： G01N3/32 ,  A61F2/82 ,  G01N2203/0005 ,  G01N2203/0073 ,  G01N2203/0266

    摘要： Systems and methods for fatigue testing one or more stents based on measured electrical resistance levels of each stent. Pairs of lead lines from an ohmmeter are connected to a respective stent. The respective stent is mounted onto an expander having an interior tapered portion into which a correspondingly tapered expansion pin is received. Cyclic loading strains are applied to the respective stent as an expansion pin is inserted into a corresponding one of the expanders. Stent fracture or failure occurs when cyclic loading exceeds the stents architectural and material capacity. Such fracture fatigue or failure is identified by increased electrical resistance levels. Resistance may be continuously monitored to more readily identify the onset of fatigue or failure. The expansion pins extend from a movable plate, and the expanders comprise a part of corresponding stations that extend from a fixed plate.

    摘要翻译： 基于每个支架的测量电阻水平疲劳测试一个或多个支架的系统和方法。 来自欧姆表的一对引线连接到相应的支架。 相应的支架安装在具有内锥形部分的膨胀机上，相应的锥形膨胀销被容纳在该内锥形部分中。 当将膨胀销插入对应的一个膨胀机时，将循环负荷应变施加到相应的支架上。 当循环加载超过支架的建筑和材料能力时，发生支架断裂或破裂。 这种断裂疲劳或故障是通过增加的电阻水平来确定的。 可以连续监测电阻以更容易地识别疲劳或失效的发作。 膨胀销从可移动板延伸，并且膨胀器包括从固定板延伸的相应工位的一部分。

    Systems and methods for fatigue testing stents
    2.
    发明授权
    Systems and methods for fatigue testing stents 失效
    疲劳测试支架的系统和方法

    公开(公告)号：US07363821B2

    公开(公告)日：2008-04-29

    申请号：US11511096

    申请日：2006-08-28

    申请人： Erin Black ,  Robert Burgermeister ,  Randy-David Burce Grishaber ,  David W. Overaker

    发明人： Erin Black ,  Robert Burgermeister ,  Randy-David Burce Grishaber ,  David W. Overaker

    IPC分类号： G01N3/32

    CPC分类号： G01N3/32 ,  A61F2/82 ,  G01N2203/0005 ,  G01N2203/0073 ,  G01N2203/0266

    摘要： Systems and methods for fatigue testing one or more stents based on measured electrical resistance levels of each stent. Pairs of lead lines from an ohmmeter are connected to a respective stent. The respective stent is mounted onto an expander having an interior tapered portion into which a correspondingly tapered expansion pin is received. Cyclic loading strains are applied to the respective stent as an expansion pin is inserted into a corresponding one of the expanders. Stent fracture or failure occurs when cyclic loading exceeds the stents architectural and material capacity. Such fracture fatigue or failure is identified by increased electrical resistance levels. Resistance may be continuously monitored to more readily identify the onset of fatigue or failure. The expansion pins extend from a movable plate, and the expanders comprise a part of corresponding stations that extend from a fixed plate.

    摘要翻译： 基于每个支架的测量电阻水平疲劳测试一个或多个支架的系统和方法。 来自欧姆表的一对引线连接到相应的支架。 相应的支架安装在具有内锥形部分的膨胀机上，相应的锥形膨胀销被容纳在该内锥形部分中。 当将膨胀销插入对应的一个膨胀机时，将循环负荷应变施加到相应的支架上。 当循环加载超过支架的建筑和材料能力时，发生支架断裂或破裂。 这种断裂疲劳或故障是通过增加的电阻水平来确定的。 可以连续监测电阻以更容易地识别疲劳或失效的发作。 膨胀销从可移动板延伸，并且膨胀器包括从固定板延伸的相应工位的一部分。

    Flexible stent design
    3.
    发明授权
    Flexible stent design 有权
    柔性支架设计

    公开(公告)号：US09168161B2

    公开(公告)日：2015-10-27

    申请号：US12698717

    申请日：2010-02-02

    申请人： Ryan Donovan ,  John F. Shanley ,  Prasanna Muralidharan ,  David W. Overaker ,  Ramesh Marrey ,  Robert Burgermeister

    发明人： Ryan Donovan ,  John F. Shanley ,  Prasanna Muralidharan ,  David W. Overaker ,  Ramesh Marrey ,  Robert Burgermeister

    IPC分类号： A61F2/915 ,  A61F2/91 ,  A61F2/88

    CPC分类号： A61F2/915 ,  A61F2/844 ,  A61F2/88 ,  A61F2/91 ,  A61F2002/91508 ,  A61F2002/91516 ,  A61F2002/91575 ,  A61F2002/91583 ,  A61F2230/0054 ,  A61F2230/0069 ,  A61F2250/0068

    摘要： The present invention relates to tissue-supporting medical devices and drug delivery systems, and more particularly to tubular flexible stents that are implanted within a body lumen of a living animal or human to support the organ, maintain patency and/or deliver drugs or agents. The tubular flexible stent has a cylindrical shape defining a longitudinal axis and includes a helical section having of a plurality of longitudinally oriented strut members and a plurality of circumferentially oriented hinge members connecting circumferentially adjacent strut members to form a band. The band is wrapped about the longitudinal axis in a substantially helical manner to form a plurality of helical windings. At least one connector member extends between longitudinally adjacent helical windings of the band.

    摘要翻译： 本发明涉及组织支撑医疗装置和药物递送系统，更具体地涉及植入活的动物或人体的体腔中以支持器官，维持开放和/或递送药物或药剂的管状柔性支架。 管状柔性支架具有限定纵向轴线的圆柱形形状，并且包括具有多个纵向取向的支柱构件的螺旋部分和连接周向相邻的支柱构件以形成带的多个周向定向的铰链构件。 该带围绕纵向轴线以大致螺旋状的方式缠绕以形成多个螺旋绕组。 至少一个连接器构件在带的纵向相邻螺旋绕组之间延伸。

    FLEXIBLE STENT DESIGN
    7.
    发明申请
    FLEXIBLE STENT DESIGN 有权
    灵活的设计

    公开(公告)号：US20100217380A1

    公开(公告)日：2010-08-26

    申请号：US12698717

    申请日：2010-02-02

    申请人： Ryan Donovan ,  John F. Shanley ,  Prasanna Muralidharan ,  David W. Overaker ,  Ramesh Marrey ,  Robert Burgermeister

    发明人： Ryan Donovan ,  John F. Shanley ,  Prasanna Muralidharan ,  David W. Overaker ,  Ramesh Marrey ,  Robert Burgermeister

    IPC分类号： A61F2/82

    CPC分类号： A61F2/915 ,  A61F2/844 ,  A61F2/88 ,  A61F2/91 ,  A61F2002/91508 ,  A61F2002/91516 ,  A61F2002/91575 ,  A61F2002/91583 ,  A61F2230/0054 ,  A61F2230/0069 ,  A61F2250/0068

    摘要： The present invention relates to tissue-supporting medical devices and drug delivery systems, and more particularly to tubular flexible stents that are implanted within a body lumen of a living animal or human to support the organ, maintain patency and/or deliver drugs or agents. The tubular flexible stent has a cylindrical shape defining a longitudinal axis and includes a helical section having of a plurality of longitudinally oriented strut members and a plurality of circumferentially oriented hinge members connecting circumferentially adjacent strut members to form a band. The band is wrapped about the longitudinal axis in a substantially helical manner to form a plurality of helical windings. At least one connector member extends between longitudinally adjacent helical windings of the band.

    摘要翻译： 本发明涉及组织支撑医疗装置和药物递送系统，更具体地涉及植入活的动物或人体的体腔中以支持器官，维持开放和/或递送药物或药剂的管状柔性支架。 管状柔性支架具有限定纵向轴线的圆柱形形状，并且包括具有多个纵向取向的支柱构件的螺旋部分和连接周向相邻的支柱构件以形成带的多个周向定向的铰链构件。 该带围绕纵向轴线以大致螺旋状的方式缠绕以形成多个螺旋绕组。 至少一个连接器构件在带的纵向相邻螺旋绕组之间延伸。

    One-piece biocompatible absorbable rivet and pin for use in surgical procedures
    10.
    发明授权
    One-piece biocompatible absorbable rivet and pin for use in surgical procedures 失效
    一体式生物相容性可吸收铆钉和针脚用于外科手术

    公开(公告)号：US06846313B1

    公开(公告)日：2005-01-25

    申请号：US09667729

    申请日：2000-09-22

    申请人： Laurel L. Rogers ,  Mariann Sayer ,  David W. Overaker ,  Shawn T. Huxel ,  Kevin Cooper ,  Dennis D. Jamiolkowski ,  Joseph R. Thomas

    发明人： Laurel L. Rogers ,  Mariann Sayer ,  David W. Overaker ,  Shawn T. Huxel ,  Kevin Cooper ,  Dennis D. Jamiolkowski ,  Joseph R. Thomas

    IPC分类号： A61B17/58 ,  A61B17/68 ,  A61B17/56

    CPC分类号： A61B17/68

    摘要： A bioabsorbable rivet and pin fastener is formed as an elongated unit that may be used for anchoring, or for attachment of a fixation plate. The rivet has a head mechanically connected to two or more legs that extend generally distally from the head and may flex outwardly from a central rivet axis. The pin is integral with the rivet and oriented along the central axis by a connection such as a web or a plurality of braces, forming an integral, aligned, one-piece assembly that may, for example, be molded as a single piece. The connection breaks under force as the pin is driven into the rivet, so that the pin contacts internal surfaces of the legs and pushes the legs outward into frictional engagement with the surrounding bone. The one-piece assembly may be formed in a gated mold having a central pin with a relief passage that defines the braces between upper and lower portions of the rivet. The braces so formed at the weld line readily part from the mold, and are easily sheared when the pin is advanced during installation of the rivet.

    摘要翻译： 生物可吸收的铆钉和销紧固件形成为可用于锚定或用于附接固定板的细长单元。 铆钉具有机械连接到两个或更多个腿的头部，该两个或多个腿部从头部大致向远侧延伸并且可以从中心铆钉轴线向外弯曲。 该销与铆钉成一体并且通过诸如幅材或多个支架的连接件沿着中心轴线定向，形成整体的，对齐的整体式组件，其可以例如被模制成单件。 当销被驱动到铆钉中时，连接断裂，使得销接触腿的内表面并向外推动腿与周围的骨摩擦接合。 一体式组件可以形成在具有中心销的门控模具中，该中心销具有在铆钉的上部和下部之间限定支架的释放通道。 在焊接线处形成的支架容易地与模具成一部分，并且在铆钉安装期间当销前进时容易剪切。