The following were reviewed as part of this investigation: patient severity, applicable previous investigation(s), sample (if available), applicable fmea documents, labeling, and applicable manufacture records.Based on a review of this information, the following was concluded: device returned with no alleged deficiency reported.During evaluation, interference was found in bottom of the ultrasound image box.The root cause of the failure was identified as an internal failure in the probe.No other functionality issues were found with the equipment during evaluation.The device was serviced, tested, and returned to the customer.A lot history review (lhr) review is not possible, as the device is manufactured using a unique serial number and not by lot number.A history review of serial number (b)(4) showed no other similar product complaint(s) from this serial number.
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