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Shiley Phonate Speaking Valve is designed for use on alert, awake tracheostomy patients who can breathe without assisted mechanical ventilation. It reduces hygiene and infection concerns compared to finger occlusions. Air flow through oral and nasal chambers decreases secretions, increases smelling ability and improves swallowing.
Particulars
Airflow Resistance (Valve Only) at 0.450 L/sec1
2.3 H2O L/sec
Work of Breathing2
0.095 joules/L at 300 ml Vt
Connector
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