• Improves Oxygenation: The closed position "No Leak" design of the PMVs restores a more normal closed respiratory system. As a result, Positive End Expiratory Pressure (PEEP) is reestablished which facilitates improved oxygenation.

• Improves Olfaction: The PMVs improve the sense of smell by reestablishing airflow through the oral/nasal cavities during exhalation. This improved sense of smell may lead to an increase in sense of taste, appetite, and caloric intake which is important in the recovery process.

• Facilitates Secretion Management: The PMV design improves swallowing and facilitates a stronger, more effective cough with oral expectoration of secretions. Evaporation of secretions occurs due to redirection of air through the upper airway during exhalation. May reduce suctioning needs and associated costs by restoring function of the bronchial hygiene system.

• Expedites Weaning: The PMVs are used as an augmentative tool for weaning patients from the ventilator as it reestablishes physiologic PEEP, which in turn may improve oxygenation. As the patient becomes accustomed to exhaling through the upper airway, patient confidence is improved and respiratory muscle retraining is facilitated.

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