Implantable cardioverter defibrillator having a smaller mass

  • US 5,957,956 A
  • Filed: 11/03/1997
  • Issued: 09/28/1999
  • Est. Priority Date: 06/21/1994
  • Status: Expired due to Term
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First Claim
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1. An implantable cardioverter defibrillator for subcutaneous positioning within a pectoral region of a human patient comprising:

  • a sealed housing structure constructed of a biocompatible material;

    a battery source of electrical energy contained in the housing;

    a capacitor system connected to the battery source wherein the capacitor system stores electrical energy provided by the battery source to generate high voltage electrical cardioversion/defibrillation countershocks; and

    a control system connected to the capacitor system to control the storing of the electrical energy in the capacitor system and to control the discharge of the electric energy in the capacitor systems; and

    wherein a total mass of the implantable cardioverter defibrillator is less than about 120 grams.

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