This follow-up report is submitted to fda in accord with applicable regulations ¿ and as indicated by terumo cardiovascular systems in the initial report submitted to the fda on july 26, 2018.(b)(4).The returned sample was visually inspected.There was no buffer solution present within the returned device, and sparger assembly and white cap were not returned with the device.No other anomalies noted.The returned sample was leak tested by connecting with the calibrated manometer, submerged into a water bath, and pressurized up to 1030 mmhg.No leaks were noted.A review of the device history records revealed no manufacturing issue related to the reported event.During gas calibration, the shunt sensor is an open system to allow gas to flow through and release out of the unit.Leakage may be noted during gas calibration.All available information has been placed on file in quality management for appropriate tracking, trending, and follow-up.
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