We at Passy Muir believe that communication is the essence of the human spirit; it is essential to individual rights and dignity. We are committed in our efforts to offer tracheostomized and ventilator-dependent patients a step towards independence and dignity through speech. Invented by a patient for patients, all Passy Muir Valves are made in the USA to the highest of standards. Passy Muir is a recognized leader in providing top quality, comprehensive tracheostomy education.