What does "Passy-Muir" mean in a report or doctor's letter? In our medical dictionary, you will find a patient-friendly explanation of the meaning of this medical term.
Passy-Muir is a brand name for a specific type of medical device called a speaking valve. This device is used by people who have had a tracheostomy, a surgical procedure that creates an opening in the neck for breathing. The Passy-Muir valve allows these individuals to speak by redirecting air flow through the vocal cords. It is a small, one-way valve that attaches to the opening in the neck.
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