Control of flow and/or pressure provided by breathing apparatus
AssigneeFisher & Paykel Healthcare Limited
InventorsStanislav TATKOV, Kevin Peter O'DONNELL, Sheng FENG
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Abstract
The invention comprises a method of operating a breathing apparatus comprising measuring a baseline breath flow parameter being respiratory rate and/or tidal volume or a parameter derived therefrom, varying the flow rate provided by the breathing apparatus, measuring a current breath flow parameter being respiratory rate and/or tidal volume or a parameter derived therefrom, comparing the baseline and current breath flow parameters, and altering operation of the breathing apparatus based on the comparison. The invention also comprises a breathing apparatus that implements the above method.
Claims20
A high flow therapy apparatus to provide humidified fluid flow to a patient comprising:
- a housing
- a flow generator in the housing to generate fluid flow,
- a humidifier to humidify the fluid flow,
- a display on the housing,
- one or more sensors in the apparatus to measure at least one or both of pressure or flow, and
- a controller configured to:
- operate the flow generator and the humidifier to generate humidified fluid flow at a high flow therapy flow rate to provide to the patient,
- measure, using the one or more sensors, a breath flow parameter of the patient using the apparatus, the breath flow parameter comprising at least one or both of respiratory rate or tidal volume from a breath flow of the patient, or one or more parameters derived therefrom.
A method of controlling a high flow therapy apparatus providing humidified fluid flow to a patient, the method comprising:
- operating a flow generator and a humidifier to generate humidified fluid flow at a high flow therapy flow rate to provide to the patient, wherein the flow generator is in a housing and configured to generate fluid flow, wherein the humidifier is configured to humidify the fluid flow;
- and
- measure, using one or more sensors, a breath flow parameter of the patient using the apparatus, the breath flow parameter comprising at least one or both of respiratory rate or tidal volume from a breath flow of the patient, or one or more parameters derived therefrom, wherein the one or more sensors are in the apparatus, wherein the one or more sensors are configured to measure at least one or both of pressure or flow.
Dependencies are inferred from the claim text.