Maquet medical systems,usa(importer)submits this report on behalf of the legal manufacturer of the device maquet cardiopulmonary ag kehler strasse 31, 76437 rastatt, germany.A follow-up medwatch will be submitted when additional information becomes available.Reference exemption # e2018002.Importer- maquet medical systems usa (b)(4).Contact person- (b)(6).A field service technician has been sent for investigation.According to service report: "check hl20 for bubble sensor error, after checking the sensor over found that the latch will not hold the sensor together and is causing the system to show a active bubble alarm.Found that the latch is broken installed a new sensor and performed a check out , all ok." thus the failure could be confirmed.Root cause could be determined as missing screws.The data is also being handled through a designated maquet cardiopulmonary trending and applicable investigation process.Due to this no further investigation initiations will be completed at this time.Since the reported failure did not contribute to a death or serious injury no corrective action is needed.In addition at this time it cannot be concluded that this is a systemic error.No corrective action is needed.
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