PART 868 -- ANESTHESIOLOGY DEVICES
Subpart B--Diagnostic Devices
(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).
The information on this page is current as of April 1 2015.
For the most up-to-date version of CFR Title 21, go to the Electronic Code of Federal Regulations (eCFR).
Page Last Updated: 08/21/2015
Note: If you need help accessing information in different file formats, see
Instructions for Downloading Viewers and Players.