A collection of non-sterile devices intended to be used in conjunction with pulmonary function analysis equipment to perform a pulmonary function test. It may include a breathing mouthpiece, filter (intended to reduce contamination of parent device), and a ...
A non-sterile, portable, screening device intended to be used during pulmonary function testing to remove and retain microdroplets from patient breath to reduce contamination of the parent device; it is also intended to function as a mouthpiece to facilitat...