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    • 1. 发明授权
    • Implantable medical lead with axially oriented coiled wire conductors
    • 可植入医用导线,带有轴向取向的线圈导线
    • US07761170B2
    • 2010-07-20
    • US11118076
    • 2005-04-29
    • Paula M. KaplanThomas E. Cross, Jr.Stephen L. BoleaJames M. Olsen
    • Paula M. KaplanThomas E. Cross, Jr.Stephen L. BoleaJames M. Olsen
    • A61N1/05
    • A61N1/056
    • An implantable lead has a lead body construction designed to accommodate loading forces exerted on the lead body during patient movement. The lead body may be sufficiently stretchable to resist forces that could otherwise cause lead failure, axial migration of the electrodes, anchor damage, or tissue damage. Increasing stretchability of a lead body can also increase the vulnerability of the lead body to flex fatigue, buckling fatigue, kinking, and crush. Therefore, the lead described herein includes conductors that comprise coiled wires positioned substantially parallel to a center axis of the lead. The conductors described herein may be coiled around fibers that limit the axial stiffness of the coiled wires to ensure full recovery from axial loading.
    • 可植入引线具有引线本体结构,其设计用于在患者移动期间适应施加在引线本体上的负载力。 引线体可以是足够的可拉伸的以抵抗否则会导致引线故障,电极的轴向迁移,锚固损伤或组织损伤的力。 引线体的增加拉伸性也可以增加引线体疲劳疲劳,弯曲疲劳,扭结和挤压的脆弱性。 因此,本文所述的引线包括导体,其包括基本上平行于引线的中心轴定位的线圈导线。 本文所述的导体可围绕纤维缠绕,从而限制线圈线的轴向刚度,以确保从轴向负载完全恢复。