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Subcutaneous defibrillation system and method using same

  • US 20070135847A1
  • Filed: 12/12/2005
  • Published: 06/14/2007
  • Est. Priority Date: 12/12/2005
  • Status: Abandoned Application
First Claim
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1. A medical system, comprising:

  • a housing configured for implantation within a patient'"'"'s subclavicular region;

    detection circuitry provided in the housing and configured to detect cardiac electrical activity;

    energy delivery circuitry provided in the housing and configured to deliver therapy to treat a detected tachycardia or fibrillation episode; and

    a lead coupled to the housing, detection circuitry, and energy delivery circuitry, the lead configured for subcutaneous, non-intrathoracic placement within the patient, the lead comprising;

    a lead body configured to extend from the patient'"'"'s subclavicular region to a location just below the patient'"'"'s ribs or the subxiphoid process of the patient'"'"'s sternum;

    a defibrillation electrode provided at a distal end of the lead body; and

    a pair of sensing electrodes provided on the lead body at locations that overlie a lateral aspect of the patient'"'"'s left ventricle between the third and eleventh ribs.

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