vyaire Flexible Patient Circuit, 3100A, REF 29028-004, intended to be used with the 3100A High Frequency Oscillatory Ventilator (HFOV)
Two patient circuits, 29028-003 and 29028-004, for the 3100 High Frequency Oscillatory ventilator that are only approved for use outside the U.S. were distributed in the U.S.
US: Florida
https://www.accessdata.fda.gov/scripts/ires/index.cfm?Product=Z-0489-2024