How to Use Respiratory Therapy Devices?
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01PreparationCheck the power supply , and nasal cannula.
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02StartupPlug in the device, turn on the power switch, and adjust the flow rate as prescribed (e.g., 1–3 L/min).
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03Oxygen DeliveryPut on the nasal cannula and breathe normally.
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04MonitoringRegularlzy monitor oxygen saturation using a pulse oximeter (target typically ≥90%–95%).
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05ShutdownTurn off the device switch first, then unplug the power cord. Discard any remaining water.
No smoking or open flames. Avoid kinking the oxygen tubing. Replace the air filter regularly.
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