An<unk>  is a handheld medical device used to help patients improve the functioning of their lungs. By training patients to take slow and deep breaths, this simplified spirometer facilitates lung expansion and strengthening. Patients inhale through a mouthpiece, which causes a piston inside the device to rise. This visual feedback helps them monitor their inspiratory effort.<unk> s are commonly used after surgery or other illnesses to prevent pulmonary complications.
Incentive spirometer
Asthma spacer
Analytical nebulizer
Air displacement plethysmography
Spirometer
Air purifier
Structured light plethysmography
Post bronchodilator test