Ventilator coaxial breathing circuit may have, expiratory valve sets with membranes sticking to valve body, not detectable during pre-operative test, which will result in "exhalation obstructed " alarm, which may result in inadequate ventilation, oxygen desaturation. Advising: Prior to use, test lung action. If alarm occurs, expiratory valve set removal to overcome membrane adhesion or replacement
Breathing circuit set, coaxial: REF: 260127, 260128, 260167, 260168 used with HAMILTON-C1, HAMILTON-T1 and HAMILTON-MR1 ventilators.
REF/UDI-DI: 260127/07630002802956, 17630002802953; 260128/07630002802963, 17630002802960; 260167/07630002802970, 17630002802977; 260168/07630002802987, 17630002802984. Lot numbers between 200379 and 205050 (including both.)
Data: U.S. FDA openFDA enforcement API. Recall details are as reported by the FDA. The quality-domain mapping and severity are a SPEQ editorial interpretation of the recall reason, not an official FDA classification.