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Passy Muir
 Invented by a patient named David Muir, the Passy Muir® Tracheostomy and Ventilator Swallowing and Speaking Valve is a simple medical device used by tracheostomy and ventilator patients. When placed on the hub of the tracheostomy tube or in-line with the ventilator circuit, the Passy Muir® Valve redirects air flow through the vocal folds, mouth and nose enabling voice and improved communication. http://www.passy-muir.com/ |
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