What is another word for percussor?
Pronunciation: [pəkˈʌsə] (IPA) 
Percussor is a medical tool used for percussion therapy to break down mucus in the lungs. Also known as a flutter valve or a chest physiotherapy device, percussors can be helpful in treating respiratory conditions such as asthma, bronchitis, and cystic fibrosis. Synonyms for percussor include handheld percussive devices, percussion vest, chest percussion, and airway clearance devices. All these synonyms refer to the same medical device used for respiratory therapy. The use of a percussor is often recommended by doctors to help patients expel excess mucus from their lungs and to improve their breathing.
