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Termination of respiratory oscillations characteristic of Cheyne-Stokes respiration

  • US 7,421,296 B1
  • Filed: 01/26/2004
  • Issued: 09/02/2008
  • Est. Priority Date: 01/26/2004
  • Status: Active Grant
First Claim
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1. A method comprising:

  • sensing respiratory information during a respiratory cycle related to tidal volume and upper airway patency;

    based at least in part on the respiratory information, determining if tidal volume is less than a limit;

    based at least in part on the respiratory information, determining if upper airway patency is inadequate;

    if the tidal volume is less than the limit and upper airway patency is not inadequate, calling for diaphragm activation at a stimulation power based on an increasing monotonic relationship with respect to increasing tidal volume; and

    if the tidal volume is less than the limit but upper airway patency is inadequate, inhibiting diaphragm activation.

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