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Treating sleep apnea in patients using phrenic nerve stimulation

  • US 7,340,302 B1
  • Filed: 09/27/2004
  • Issued: 03/04/2008
  • Est. Priority Date: 09/27/2004
  • Status: Expired due to Fees
First Claim
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1. An implantable cardiac device comprising:

  • a lead comprising at least one electrode, the lead being configured for advancement through a coronary sinus so that the electrode is positionable proximate the left ventricle;

    pacing circuitry to apply pacing pulses to a patient'"'"'s heart via the electrode; and

    a sleep apnea therapy module to occasionally apply one or more phrenic nerve stimulation pulses to the patient'"'"'s heart and phrenic nerve via the electrode, the phrenic nerve stimulation pulse having a voltage amplitude exceeding a pacing pulse voltage amplitude and delivered at a time when a pacing pulse is needed.

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