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    • 4. 发明申请
    • MEDICAL DEVICE FOR NAVIGATION THROUGH ANATOMY AND METHOD OF MAKING SAME
    • 通过解剖学进行导航的医疗装置及其制造方法
    • US20080021400A1
    • 2008-01-24
    • US11831850
    • 2007-07-31
    • STEPHEN JACOBSENCLARK DAVISCLAY NORTHROPTED LAYMANKEVIN OLSONEDWARD SNYDERD. BACKMANTODD TURNLUND
    • STEPHEN JACOBSENCLARK DAVISCLAY NORTHROPTED LAYMANKEVIN OLSONEDWARD SNYDERD. BACKMANTODD TURNLUND
    • A61M25/09
    • A61M25/09A61M25/0013A61M25/01A61M25/09016
    • Medical devices for navigation through anatomy, including guidewires, which may have a core wire, a slotted tubular member, or both. Embodiments may have coils, including non-circular cross-section edge-wound marker coils, extended coil tips, and s soldered or glued mesial joint coils. Core wires may have a step, ridge, or taper at the joints to the tubular member, and may be flattened at the distal tip. Radiopaque material may be located inside the tubular member, and the distal tip may be heat treated to make it shapeable. Additional tubular members or coils may be used concentrically or in line and may enhance flexibility, provide radiopacity, reduce friction, or reduce material or manufacturing cost. Tubular members may be chamfered or tapered continuously or incrementally. Slots may be arranged in groups, such as groups of three, and may be equal in depth or unequal in depth to provide a steerable or compressible tip.
    • 用于通过解剖学导航的医疗装置,包括可以具有芯线的导线,开槽的管状构件或两者。 实施例可以具有线圈,包括非圆形横截面边缘卷绕标记线圈,延伸的线圈尖端和焊接或胶合的中间接合线圈。 芯线可以在与管状构件的接合处具有台阶,脊或锥形,并且可以在远侧末端处变平。 不透射线材料可以位于管状构件内部,并且远侧末端可以被热处理以使其成形。 附加的管状构件或线圈可以同心地或一致地使用,并且可以增强柔性,提供不透射线性,减少摩擦,或减少材料或制造成本。 管状构件可以被连续地或递增地倒角或锥形。 槽可以以三组排成一组,并且可以在深度上相等或者深度不等,以提供可转向或可压缩的尖端。
    • 9. 发明申请
    • GUIDEWIRE WITH AN IMPROVED FLEXURAL RIGIDITY PROFILE
    • 具有改进的柔性刚度轮廓的指南
    • US20110245808A1
    • 2011-10-06
    • US13077579
    • 2011-03-31
    • VIRGIL F. VOELLERCLAY NORTHROPTED LAYMAN
    • VIRGIL F. VOELLERCLAY NORTHROPTED LAYMAN
    • A61M25/09B23P11/00
    • A61M25/0054A61M25/0013A61M25/09A61M2025/09091A61M2025/09108A61M2025/0915
    • Medical devices and methods for making and using the same are disclosed. An example medical device may include a guidewire. The guidewire may include a core wire having a distal portion. A tubular member may be disposed over the distal portion. The tubular member may have a plurality of slots formed therein and may have a longitudinal axis. The tubular member may include a variably spaced slot section that has a flexural rigidity that varies from a first flexural rigidity to a second flexural rigidity. The transition from the first flexural rigidity to the second flexural rigidity may be a function of a fourth power equation. The first flexural rigidity may be in the range of about 1×10−6 to about 9×10−5 lbs-inches2. The second flexural rigidity may be in the range of about 1×10−3 to about 5×10−3 lbs-inches2.
    • 公开了用于制造和使用它们的医疗装置和方法。 示例性医疗设备可以包括导丝。 导线可以包括具有远端部分的芯线。 管状构件可以设置在远侧部分上方。 管状构件可以具有形成在其中的多个狭槽,并且可以具有纵向轴线。 管状构件可以包括可变地间隔开的狭槽部分,其具有从第一弯曲刚度变化到第二弯曲刚度的挠曲刚度。 从第一弯曲刚度到第二弯曲刚度的转变可以是第四功率方程式的函数。 第一弯曲刚度可以在约1×10-6至约9×10-5磅/英寸2的范围内。 第二弯曲刚度可以在约1×10-3至5×10-3磅/英寸2的范围内。