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Vagus nerve stimulation and subcutaneous defibrillation system

  • US 9,770,599 B2
  • Filed: 08/12/2014
  • Issued: 09/26/2017
  • Est. Priority Date: 08/12/2014
  • Status: Active Grant
First Claim
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1. A method of operating an implantable neurostimulation system, comprising:

  • delivering a chronic vagus nerve stimulation (VNS) therapy to a vagus nerve with a VNS subsystem of a pulse generation module via a VNS electrode provided on a single lead body;

    in response to detection of a cardiac event, delivering electrical cardioversion-defibrillation energy with an implantable cardioverter-defibrillator (ICD) subsystem of the pulse generation module via a first vector between a conductive electrode of a housing containing the ICD subsystem in an anterior position of a thorax and a first subcutaneous electrode provided on the single lead body and positioned along an axillary axis of the thorax; and

    delivering electrical cardioversion-defibrillation energy with the ICD subsystem via a second vector between the first subcutaneous electrode and a second subcutaneous electrode provided on the single lead body and positioned along a medial axis of the thorax.

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