The reported issue was investigated via remote support.The customer's physician reported that a female fetus was stillborn and could not be resuscitated on (b)(6) 2017.According to the physician, a coincidence alarm was announced, alerting the clinical staff to the fact that the fetal heart rate (fhr) might no longer be recorded, but rather the maternal heart rate (mhr).The mhr was displayed with a thick line on the traces after the loss of the fhr, instead of with a thin line as expected by the clinical staff, which led them to believe that the fhr was still recorded.The trace was submitted and forwarded to the philips research & development department (r&d) for evaluation.According to r&d, the mhr is not printed differently when the fhr is lost, however, the line width for the respective trace is adjustable.Depending on the settings, the thickness of the mhr can vary, however, the thickness of the trace does not change with the loss of the fhr.The customer was instructed accordingly.The customer was provided with the excerpts from the instructions for use regarding the coincidence alarm and information regarding the line thickness for the mhr and fhr.The device remains at the customer site.Based on the information provided, no malfunction of the fetal monitor was identified and the device worked as intended.This issue was caused by user misunderstanding.No further investigation or action is warranted.Submission of a report does not constitute an admission that medical personnel, user facility, importer, distributor, manufacturer, or product caused or contributed to the event.
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