PATIENT-VENTILATOR DYSSYNCHRONY DETECTION
First Claim
1. A method of detecting dyssynchrony between a patient and a pressure support system, comprising:
- receiving patient flow data relating to a flow of gas provided to the patient by the pressure support system;
obtaining an I/E state signal representing a respiratory phase of the patient; and
analyzing the patient flow data and the I/E state signal and declaring a dyssynchrony for a breath based on at least one of the patient flow data and the I/E state signal.
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Abstract
A method of detecting dyssynchrony between a patient and a pressure support system includes receiving patient flow data relating to a flow of gas provided to the patient by the pressure support system, receiving an I/E state signal representing a respiratory phase of the patient as determined by the pressure support system, and analyzing the patient flow data and the I/E state signal and declaring a dyssynchrony for a breath based on at least one of the patient flow data and the I/E state signal. The method includes determining whether at least one of a number of predetermined criterion is satisfied based on at least one of the patient flow data and the I/E state signal, and declaring the dyssynchrony for the breath if it is determined that at least one of the number of predetermined criterion is satisfied.
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Citations
57 Claims
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1. A method of detecting dyssynchrony between a patient and a pressure support system, comprising:
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receiving patient flow data relating to a flow of gas provided to the patient by the pressure support system; obtaining an I/E state signal representing a respiratory phase of the patient; and analyzing the patient flow data and the I/E state signal and declaring a dyssynchrony for a breath based on at least one of the patient flow data and the I/E state signal. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23)
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24. A pressure support system, comprising:
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a pressure generating system adapted to produce a flow of gas; a patient circuit operatively coupled to the pressure generating system to deliver the flow of gas to an airway of a patient; and a controller operatively coupled to the pressure generating system, the controller being adapted to detect dyssynchrony between the patient and the pressure support system by; receiving patient flow data relating to the flow of gas provided to the patient by the pressure support system; receiving an I/E state signal representing a respiratory phase of the patient as determined by the pressure support system; and analyzing the patient flow data and the I/E state signal and declaring a dyssynchrony for a breath based on at least one of the patient flow data and the I/E state signal. - View Dependent Claims (25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39)
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40. An apparatus for detecting dyssynchrony between a patient and a pressure support system, comprising:
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a housing separate from the pressure support system; and a controller provided within the housing and operatively coupled to the pressure generating system, the controller being adapted to detect dyssynchrony between the patient and the pressure support system by; receiving patient flow data relating to a flow of gas provided to the patient by the pressure support system; obtaining an I/E state signal representing a respiratory phase of the patient; and analyzing the patient flow data and the I/E state signal and declaring a dyssynchrony for a breath based on at least one of the patient flow data and the I/E state signal. - View Dependent Claims (41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51, 52, 53, 54, 55, 56, 57)
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Specification