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LOW PROFILE ELECTRODES FOR AN ANGIOPLASTY SHOCK WAVE CATHETER

  • US 20140052147A1
  • Filed: 10/23/2013
  • Published: 02/20/2014
  • Est. Priority Date: 08/06/2012
  • Status: Active Grant
First Claim
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1. A device for generating shockwaves comprising:

  • an axially extending elongate member;

    a balloon surrounding a portion of the elongate member, said balloon being fillable with a conductive fluid;

    a first wire extending along an outside surface of the elongate member terminating in a first inner electrode at a first side location within the balloon;

    an insulating sheath having a first aperture disposed over the first inner electrode so that the first aperture of the insulating sheath is located over the first inner electrode; and

    an outer electrode sheath having a first aperture disposed over the insulating sheath such that the first aperture of the outer electrode sheath is located over the first aperture of the insulating sheath and arranged so that when the balloon is filled with the conductive fluid and a voltage is applied to the first inner electrode, a current flows from the first inner electrode to the outer electrode sheath such that a first shockwave is initiated at the first side location.

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