Passy Muir Valve It is a basic medical device used by tracheostomy and ventilator patients that was invented by a patient called David Muir. It redirects airflow through the vocal folds, mouth, and nose when positioned on the hub of a tracheostomy tube or in line with the ventilator circuit, allowing speech and better communication. Years of evidence-based studies have shown that in addition to communication, the provides patients with a variety of therapeutic benefits, including better swallowing and secretion control.
Passy Muir Valve Features:
- No-Leak Design
The Passy Muir Valve’s proprietary no-leak nature ensures that the valve remains closed before the patient inhales. The Valve opens easily with lower than usual inspiratory pressures and closes automatically at the end of the inspiratory period without leaking air or requiring patient effort.
- Closed System
The bias-closed position Passy Muir Valve, unlike open position speaking valves, allows the patient to establish positive airway pressure and returns them to a more natural closed respiratory system. In addition, the closed device provides a protective air column in the tracheostomy tube, which prevents secretions from going up the tube and occluding the Valve. Secretions may be coughed up around the tube and expectorated or suctioned out of the mouth instead.
The bias-closed position no-leak configuration on all Passy Muir Valves restores a closed respiratory system.
- Restores Positive Airway Pressure
The no-leak, bias-closed position design restores a more natural closed respiratory system, allowing the patient to establish positive airway pressure without the need for manual tracheostomy tube occlusion. This increases oxygenation and encourages a louder voice, a better swallow, and a stronger cough.
- Superior Voice/Speech Production
Since all exhaled airflow is diverted up past the vocal folds, tracheostomized and ventilator-dependent patients may generate clearer voices with more natural phrasing, improved vocal tone, and increased volume.
- Improves Swallow & May Reduce Aspiration
The Passy Muir Valve’s bias-closed, no-leak nature will boost swallowing protection and efficiency while also reducing aspiration. The bias-closed position Valve returns the patient to a more natural closed system, allowing for improved pharyngeal and laryngeal sensation as well as the restoration of positive subglottic air pressure.
- Restores Subglottic Pressure
Only the Passy Muir Valve’s bias-closed location, no-leak design restores a closed respiratory system and subglottic pressure, which enhances swallowing and can reduce aspiration.
- In-Line Ventilator Use
During mechanical ventilation, the Passy Muir Valve can be used by adult, paediatric, and neonatal patients who are on a ventilator. But for the PMV 2020, all are interchangeable and can be used on or off acute-care and portable ventilators.
Patients can benefit from Passy Muir Valves in a variety of ways. They boost swallowing, secretion control, and the senses of smell and taste, in addition to voice and speech production. The Passy Muir Valves help with infection prevention, ventilator weaning, and decannulation by aspirating and assisting with decannulation. The Passy Muir Valve has been stated to have an important positive effect on many users’ quality of life. It can be used on both children and adults, and it connects to a regular tracheostomy tube hub with ease.
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