View all text of Subpart B [§ 868.1030 - § 868.1975]

§ 868.1750 - Pressure plethysmograph.

(a) Identification. A pressure plethysmograph is a device used to determine a patient's airway resistance and lung volumes by measuring pressure changes while the patient is in an airtight box.

(b) Classification. Class II (performance standards).