Termination of respiratory oscillations characteristic of Cheyne-Stokes respiration
First Claim
Patent Images
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.
1 Assignment
0 Petitions
Accused Products
Abstract
An exemplary method includes sensing respiratory information related to tidal volume, based at least in part on the respiratory information, determining if tidal volume is less than a limit and, if the tidal volume is less than the limit, calling for diaphragm activation at a stimulation power based on a nondecreasing monotonic relationship with respect to increasing tidal volume. Other exemplary methods, devices, systems, etc., are also disclosed.
-
Citations
23 Claims
-
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. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10)
-
-
11. An implantable apparatus comprising:
-
an input to receive information related to tidal volume; an input to receive information related to upper airway patency; and a microprocessor configured to use the information to determine if tidal volume is less than a limit and if upper airway patency is inadequate, and if the tidal volume is less than the limit and upper airway patency is not inadequate to call 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, to inhibit diaphragm activation. - View Dependent Claims (12, 13, 14, 15, 16, 17, 18, 19, 20, 21)
-
-
22. A method comprising:
-
sensing respiratory information related to tidal volume; based at least in part on the respiratory information, determining if tidal volume is between an upper limit and a lower limit; and if the tidal volume is between the upper limit and the lower limit, calling for diaphragm activation at a stimulation power based on a decreasing monotonic relationship with respect to increasing tidal volume and, if the tidal volume is less than the lower limit, calling for diaphragm activation at a stimulation power based on an increasing monotonic relationship with respect to increasing tidal volume.
-
-
23. A method comprising:
-
sensing respiratory information during a respiratory cycle related to inspiratory flow and expiratory flow; determining if inspiratory flow exceeds a first inspiratory limit and expiratory flow exceeds a first expiratory limit; determining if inspiratory flow exceeds a second inspiratory limit and expiratory flow exceeds a second expiratory limit; if inspiratory flow exceeds the second inspiratory limit but fails to exceed the first inspiratory limit, and expiratory flow exceeds the second expiratory limit but fails to exceed the first expiratory limit, calling for diaphragm activation at a stimulation power that is proportional to one or more of inspiratory flow and expiratory flow; and if inspiratory flow does not exceed the second inspiratory limit and expiratory flow does not exceed the second expiratory limit, inhibiting diaphragm activation.
-
Specification