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Speaking Valves

Speaking valves are placed on the end of the tracheostomy tube to allow speaking in patients with vocal function. The valve flap is attached to the valve housing in such a way that, during inspiration, it opens and air can stream in. During expiration and speaking, the flap is pressed against the valve housing by the expired airflow and closes the cannula opening, creating the seal required for speaking. Should not be used on laryngectomized patients.