The field service representative (fsr) could not duplicate the reported complaint.The fsr ran the cardioplegia through all modes and speeds, observed no abnormalities, all valves appeared to be working as expected, and all flow rates observed were as expected.The fsr had a perfusion technician (pt) witness all follow as well.The fsr performed preventative maintenance inspection and test release on the device.The unit operated to manufacturer specifications and was returned to clinical use.If additional information becomes available on this complaint that would alter the facts and/or conclusion, a supplemental report will be filed accordingly.
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