Cryoablation machine was showing an error when doctor went to use it for ablation.Passed pre-procedure test.Error was indicating "high refrigerant flow" at time of intended use.Staff, biomed and product rep via phone attempted to troubleshoot without resolution.The procedure could not be completed.Unit was serviced by manufacturer and was found to have a valve that was "stuck open" therefor not regulating flow.This unit was up to date on service (most recently in march) and was described as unpreventable wear and tear.
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