Method of loading a medical device into a delivery system
    3.
    发明授权
    Method of loading a medical device into a delivery system 有权
    将医疗装置装载到输送系统中的方法

    公开(公告)号:US08888835B2

    公开(公告)日:2014-11-18

    申请号:US12989025

    申请日:2009-04-23

    摘要: A method of loading a medical device into a delivery system includes providing a two-stage shape memory alloy at a temperature at which at least a portion of the alloy includes austenite. A stress which is sufficient to form R-phase from at least a portion of the austenite is applied to the medical device at the temperature. A delivery configuration of the medical device is obtained, and the medical device is loaded into a restraining member. Preferably, the delivery configuration of the medical device includes stress-induced R-phase.

    摘要翻译: 将医疗装置装载到输送系统中的方法包括在合金的至少一部分包括奥氏体的温度下提供两级形状记忆合金。 在奥氏体的至少一部分,足以形成R相的应力在该温度下被施加到医疗装置。 获得医疗装置的配送结构,将医疗装置装载到限制部件内。 优选地,医疗装置的输送配置包括应力诱发的R相。

    Method for loading a medical device into a delivery system
    5.
    发明授权
    Method for loading a medical device into a delivery system 有权
    将医疗装置装载到输送系统中的方法

    公开(公告)号:US08191220B2

    公开(公告)日:2012-06-05

    申请号:US11950244

    申请日:2007-12-04

    IPC分类号: B23P11/02 A61F2/06 C22F1/10

    摘要: A process to load a medical device comprising a shape memory material into a delivery system is described herein. According to one aspect, the method includes applying a force to the medical device to obtain a delivery configuration thereof, where the device is at a first temperature within an R-phase temperature range of the shape memory material during application of the force. The medical device is cooled in the delivery configuration to a second temperature at or below a martensite finish temperature of the shape memory material. The force is then removed from the medical device, and the device is loaded into a delivery system. Preferably, the medical device substantially maintains the delivery configuration during the loading process.

    摘要翻译: 本文描述了将包括形状记忆材料的医疗装置加载到递送系统中的过程。 根据一个方面,所述方法包括向所述医疗装置施加力以获得其输送构型,其中所述装置在所述力的施加期间处于所述形状记忆材料的R相温度范围内的第一温度。 医疗装置在输送构型中被冷却到等于或低于形状记忆材料的马氏体终止温度的第二温度。 然后将力从医疗装置中取出,将装置装载到输送系统中。 优选地,医疗装置在装载过程中基本维持输送构型。

    STENT WITH VARIABLE FEATURES TO OPTIMIZE SUPPORT AND METHOD OF MAKING SUCH STENT
    8.
    发明申请
    STENT WITH VARIABLE FEATURES TO OPTIMIZE SUPPORT AND METHOD OF MAKING SUCH STENT 有权
    具有可变特性以优化支持的STENT和制造这种支架的方法

    公开(公告)号:US20090024206A1

    公开(公告)日:2009-01-22

    申请号:US12170350

    申请日:2008-10-02

    申请人: Jacob Richter

    发明人: Jacob Richter

    IPC分类号: A61F2/82

    摘要: An intravascular stent especially suited for implanting in curved arterial portions or ostial regions. The stent can include an end region which is fabricated to have a greater radial strength than the remaining axial length of the stent. Such a stent is particularly suited for use in ostial regions, which require greater support near the end of the stent. The stent alternatively can include sections adjacent the end of the stent with greater bending flexibility than the remaining axial length of the stent. Such a stent is particularly suited for use in curved arteries. The stent can also be constructed with an end that has greater radial strength and sections adjacent the end with greater bending flexibility. Such a stent prevents flaring of the stent end during insertion.

    摘要翻译: 血管内支架,特别适用于植入在弯曲的动脉部分或口腔区域。 支架可以包括制造成具有比支架的剩余轴向长度更大的径向强度的端部区域。 这种支架特别适用于在支架端部附近需要较大支撑的口部区域。 替代地,支架可以包括邻近支架的端部的部分,其具有比支架的剩余轴向长度更大的弯曲柔性。 这种支架特别适用于弯曲的动脉。 支架也可以构造成具有较大径向强度的端部和邻近端部的部分,具有更大的弯曲柔性。 这种支架可防止插入期间支架端部的扩张。

    Selective treatment of linear elastic materials to produce localized areas of superelasticity
    9.
    发明授权
    Selective treatment of linear elastic materials to produce localized areas of superelasticity 有权
    线性弹性材料的选择性处理产生超弹性的局部区域

    公开(公告)号:US07455737B2

    公开(公告)日:2008-11-25

    申请号:US10647619

    申请日:2003-08-25

    IPC分类号: A61M29/00

    摘要: Methods of selectively treating linear elastic materials to produce localized areas of superelasticity and/or shape-memory are disclosed. In an illustrative method, a linear elastic workpiece may be formed into a particular shape by cold-forming or other low-temperature process, and incorporated into a medical device such as an embolic protection filter, vena cava filter, stent or guidewire. A heat source may be used to apply thermal energy to selective areas of the workpiece, imparting superelasticity to the material.

    摘要翻译: 公开了选择性处理线性弹性材料以产生超弹性和/或形状记忆的局部区域的方法。 在一个示例性的方法中,线性弹性工件可以通过冷成型或其它低温工艺形成特定形状,并且并入医疗装置如栓塞保护过滤器,腔静脉过滤器,支架或导丝中。 可以使用热源将热能施加到工件的选择区域,使材料具有超弹性。

    Expandable coil stent
    10.
    发明授权
    Expandable coil stent 有权
    可扩展线圈支架

    公开(公告)号:US07309352B2

    公开(公告)日:2007-12-18

    申请号:US11348991

    申请日:2006-02-07

    IPC分类号: A61F2/06

    摘要: An implantable coil stent comprises at least a first curved segment and a second curved segment which arc about the longitudinal axis of the stent. An expandable link extends between the second end of the first curved segment and the first end of the second curved segment.

    摘要翻译: 可植入线圈支架包括至少第一弯曲段和围绕支架的纵向轴线弧线的第二弯曲段。 可扩展连接件在第一弯曲段的第二端和第二弯曲段的第一端之间延伸。