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    • 2. 发明授权
    • Metalized implantable cardiac electrode
    • 金属化植入式心脏电极
    • US5554178A
    • 1996-09-10
    • US427942
    • 1995-04-26
    • Roger W. DahlDavid Lipson
    • Roger W. DahlDavid Lipson
    • A61N1/05A61N1/362A61N1/378
    • A61N1/05
    • An implantable cardiac electrode includes a flexible polymeric substrate, a metallized surface layer of the polymeric substrate forming one or more electrically conductive regions on the surface of the polymeric substrate, and one or more insulated conductors connecting the electrically conductive regions to leads, the leads being connected to a cardiac monitoring and pulse generating system. In one embodiment, the electrically conductive region forms a band on the outer surface of a polymeric tube and is electrically connected to a conductor embedded in the tube. In another embodiment, the electrically conductive region forms a desired configuration on a planar surface of the polymeric substrate, such as a concentric ring or spiral patch configuration. In these and other embodiments, the metallized surface layer includes a surface layer of the polymeric substrate that is impregnated with a metal such that a conductive region is formed in the surface of the otherwise insulative polymeric substrate.
    • 可植入心脏电极包括柔性聚合物基底,在聚合物基底的表面上形成一个或多个导电区域的聚合物基底的金属化表面层以及将导电区域连接到引线的一个或多个绝缘导体,引线是 连接到心脏监测和脉冲发生系统。 在一个实施例中,导电区域在聚合物管的外表面上形成带,并且电连接到嵌入管中的导体。 在另一个实施例中,导电区域在聚合物基底的平坦表面上形成期望的构造,例如同心环或螺旋形贴片构型。 在这些和其它实施例中,金属化表面层包括浸渍有金属的聚合物基材的表面层,使得在其它绝缘聚合物基材的表面中形成导电区域。
    • 6. 发明授权
    • System and method for detecting metal ion oxidation in pacing lead
    • 起搏铅金属离子氧化检测系统及方法
    • US5837900A
    • 1998-11-17
    • US670793
    • 1996-06-21
    • David Lipson
    • David Lipson
    • G01H13/00G01N29/12G01H11/06A61N1/00A61N1/362
    • G01N29/12G01H13/00G01N2291/014G01N2291/02836G01N2291/2626
    • There is provided a system and method for determining the existence of metal ion oxidation degradation in an implanted pacing lead. A micro-vibration driver, preferably operating at a sonic frequency matched to an ultrasound detector, is used to vibrate the proximal end of a stylet that has been inserted into the lumen of a bipolar lead. The shaking of the stylet causes flexural waves to be propagated along the stylet, which in turn flex the lead inner conductor and the insulation between the inner and outer conductor. If metal ion oxidation is present in the insulation, the shaking causes generation of a noise signal which is detectable across the conductors along with the electrogram. The presence of such a noise signal is correlated with the output of the driver, i.e., with the vibration of the lead, to indicate when MIO degradation is present. An ultrasound imaging detector can be used to determine the location of the MIO degradation along the length of the lead.
    • 提供了一种用于确定植入起搏引线中金属离子氧化降解的存在的系统和方法。 使用优选以与超声波检测器相匹配的声频操作的微振动驱动器来振动已经插入双极引线的内腔中的探针的近端。 探针的振动导致弯曲波沿探针传播,从而使引线内部导体和内部和外部导体之间的绝缘弯曲。 如果绝缘体中存在金属离子氧化,则振动导致产生可与电描记图一起在导体上检测的噪声信号。 这种噪声信号的存在与驱动器的输出相关,即与引线的振动相关联,以指示何时存在MIO降级。 可以使用超声成像检测器来确定沿导线长度的MIO退化的位置。