StacksVerified U.S. regulatory reference

21 CFR §868.5740

Verified against eCFR.gov as of June 20, 2026View official text on eCFR.gov ↗
  1. (a)Identification. A tracheal/bronchial differential ventilation tube is a device used to isolate the left or the right lung of a patient for anesthesia or pulmonary function testing.
  2. (b)Classification. Class II (performance standards).