§ 868.1920. Esophageal stethoscope with electrical conductors.
47 words·~1 min read·
/us/cfr/t21/s§ 868.1920·A research copy — for the controlling text, always check the official state or federal source. Not legal advice.
(a)Identification. An esophageal stethoscope with electrical conductors is a device that is inserted into the esophagus to listen to a patient's heart and breath sounds and to monitor electrophysiological signals. The device may also incorporate a thermistor for temperature measurement.
(b)Classification. Class II (performance standards).