Shock wave source based on the electromagnetic principle

  • US 5,941,838 A
  • Filed: 09/15/1998
  • Issued: 08/24/1999
  • Est. Priority Date: 07/26/1996
  • Status: Expired due to Term
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First Claim
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1. A shock wave source based on electromagnetic principles with defined focusing, the shock wave source comprising:

  • an electrically conductive, three-dimensionally curved membrane;

    a coil located adjacent to said membrane for admitting current pulses to said membrane;

    a switchable electrical connection connected to said coil;

    a housing accommodating said membrane;

    a coil form, said coil being embedded in said coil form, said coil form absorbing a defined compressive stress, said coil form being located in a space between said housing and said membrane;

    a transmission medium which borders on said membrane and exerts pressure on said membrane, said coil form being deformable and elastically compressible, and said coil form being installed in a compressed state, and an installed amount of said transmission medium remains constant in an operating state of the shock wave source.

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