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: the device was returned to the service facility for evaluation.During evaluation, the reported issue of blurry ultrasound image was unconfirmed.Using the in house test scanner the probe functioned normally without any ec 201 errors.The scanner was evaluated with the model 550 phantom and the image was found to be normal for a sr 8 scanner.The root cause of the reported failure is inconclusive as the reported issue could not be reproduced during evaluation.No other functionality issues with the equipment were found during evaluation/servicing a history review of serial number (b)(4) showed no other similar complaint(s) from this serial number.
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