We have a series of issues with 9 bellavista ventilators.These issues have been on-going since we purchased these ventilators and they all had a software upgrade which further made the issues worse.Here are the issues: the ventilator constantly alarming "occlusion" with no kink.On occasion high positive end expiratory pressure alarms for no reason.Power button to do normal shut down procedures doesn't work (screen locks).One ventilator inadvertently shut down during transport, needs a battery check.Pressure line on flow valve easily gets occluded.Patient's in non-invasive fraction of inspired oxygen (niv-fi02) can't go above 70%.Low pressure alarm ¿ can't decrease below 7.
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