"vyaire file identification: (b)(6).At this time, the suspect device has not been returned for evaluation.Therefore, root cause has not been determined yet.Vyaire medical will submit a supplemental report in accordance with 21 cfr section 803.56 if additional information becomes available.
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Result of investigation:a vyaire field service representative(fsr) evaluated the device onsite.The root cause of the issue was due to defective driver power module.As a resolution,the driver power module was replaced,power supply was checked, pressure transducer was calibrated, pneumatic and alarm function were checked ; ddi board (dynamic displacement indicator) and driver controller calibrated.Final test was performed.All tested ok according to factory specifications.Vyaire medical will submit a supplemental report in accordance with 21 cfr section 803.56 if additional information becomes available.
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