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    • 2. 发明授权
    • Shock wave source based on the electromagnetic principle
    • 基于电磁原理的冲击波源
    • US5941838A
    • 1999-08-24
    • US153200
    • 1998-09-15
    • Harald Eizenhofer
    • Harald Eizenhofer
    • A61B17/22A61B17/225G10K9/12
    • A61B17/2251G10K9/12
    • Shock wave source based on the electromagnetic principle with defined focusing, with an electrically conductive, three-dimensionally curved membrane, with a coil, which is located adjacent thereto and to which current pulses can be admitted. A switchable electric connection is provided between the coil and a power supply unit. A housing is provided accommodating the membrane and the coil embedded in a coil form, between which housing and the membrane the coil form is located. A transmission medium is provided adjacent to the membrane and exerts pressure on the membrane. The coil form is made deformable and elastically compressible and is installed in the compressed state. The installed amount of the transmission medium remains unaffected during the operating state after the assembly.
    • 基于具有限定聚焦的电磁原理的冲击波源,具有导电的三维弯曲的膜,其具有与其相邻的线圈,并且可以允许电流脉冲。 在线圈和电源单元之间提供可切换的电连接。 设置有容纳膜和嵌入线圈形式的线圈的壳体,壳体和线圈形式所在的膜之间。 在膜附近设置传输介质,并对膜施加压力。 线圈形状可变形并且可弹性压缩并且被安装在压缩状态。 在组装之后的运行状态下,传输介质的安装量不受影响。
    • 3. 发明授权
    • Spark gap unit for lithotripsy
    • 用于石灰石的SPARK GAP单元
    • US5195508A
    • 1993-03-23
    • US701817
    • 1991-05-17
    • Michael MullerPeter BuchbauerHarald EizenhoferFriedrich UeberleHerbert WeilerReiner Schultheiss
    • Michael MullerPeter BuchbauerHarald EizenhoferFriedrich UeberleHerbert WeilerReiner Schultheiss
    • A61B17/22G10K15/06
    • G10K15/06
    • A spark gap unit that is easy to manufacture and significantly lighter than previously used spark gap units for generating underwater shock waves, particularly for non-invasive lithotrispy, has an internal conductor with an inner electrode, an insulation which at least partially envelops the internal conductor, and an external conductor with a bow and an outer electrode. The internal conductor is significantly shorter than the external conductor, and the external conductor at the rearward end of the spark gap unit projects beyond the internal conductor. The internal conductor, the insulation, and the external conductor are coaxially arranged. An outside diameter of the internal conductor is relatively small in comparison to an inside diameter of the external conductor. The spark gap unit has a hollow space inside the insulation, this hollow space being open in the direction of a rearward end of the spark gap unit. In the opposite direction from the rearward end, the hollow space is bounded by the internal conductor itself and the envelopment of the internal conductor by the insulation.
    • 易于制造和比以前使用的用于产生水下冲击波的火花隙单元明显更轻的火花隙单元,特别是用于非侵入性碎石的火花隙单元具有内部导体,其具有内部电极,至少部分地包围内部导体的绝缘体 ,以及具有弓形和外部电极的外部导体。 内部导体明显短于外部导体,并且火花隙单元后端的外部导体超出内部导体。 内部导体,绝缘体和外部导体同轴布置。 与外部导体的内径相比,内部导体的外径相对较小。 火花隙单元在绝缘体内部具有中空空间,该中空空间在火花隙单元的后端方向上敞开。 在与后端相反的方向上,中空空间由内部导体本身和内部导体的绝缘体包围。