PATIENT CIRCUIT INTEGRITY ALARM USING EXHALED CO2
First Claim
Patent Images
1. A respiratory therapy system, comprising:
- an inspiratory conduit;
an expiratory port;
a patient interface fluidly coupled to the inspiratory conduit and the expiratory port, the patient interface configured to be fluidly coupled to a patient; and
a carbon dioxide sensor fluidly coupled to the expiratory port and providing an indication of whether the patient interface is fluidly coupled to the patient.
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Abstract
A carbon dioxide sensor for use in a respiratory therapy system. The carbon dioxide sensor determines whether a patient interface is fluidly coupled to a patient.
21 Citations
19 Claims
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1. A respiratory therapy system, comprising:
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an inspiratory conduit; an expiratory port; a patient interface fluidly coupled to the inspiratory conduit and the expiratory port, the patient interface configured to be fluidly coupled to a patient; and a carbon dioxide sensor fluidly coupled to the expiratory port and providing an indication of whether the patient interface is fluidly coupled to the patient. - View Dependent Claims (2, 3, 4, 5, 6, 7)
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8. A respiratory therapy system, comprising:
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a ventilator configured to provide inhaled gas to a patient and receive exhaled gas from the patient; and a carbon dioxide sensor determining an amount of carbon dioxide in the exhaled gas and compare the amount to a threshold. - View Dependent Claims (9, 10, 11, 12, 13, 14)
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15. A method of providing respiratory therapy to a patient, comprising:
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providing a patient interface configured to be coupled to the patient; providing gas to the patient interface; receiving exhaled gas from the patient; measuring an amount of carbon dioxide in the exhaled gas; and providing an indication of fluid coupling between the patient interface and the patient as a function of the amount of carbon dioxide. - View Dependent Claims (16, 17, 18, 19)
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Specification