Monday, (b)(6) 2021, open heart procedure.Immediately after going on cardiopulmonary bypass, perfusionist went to turn his isoflurane vaporizer to 2%, locked.I'm the biomed for this service, went in, reseated and still locked.Retrieved a spare vaporizer, mounted on manifold, no issues, case continued.This is a brand new ge vaporizer, replaced all manifold brackets and vaporizers on all four heart lung machines this past summer all new ge components never seen a vaporizer lock intraoperatively.Vaporizer is a ge tec 850, sn-(b)(4).Fda safety report id# (b)(4).
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