Other, other text: device evaluation, pictures received: four (4) photos were provided by the customer which were used to conduct the device analysis since the physical unit, by the time of this investigation is being documented, had not been received.Results: photo ones shows a luer connector that is visible occluded with a white substance.Photo two shows a front view of a distal end luer connector from a cadd 250 ml cassette which is observed to be occluded with a white substance.Photo three shows a label for a cadd extension set of part number 21-7046-24 and lot number 4298348; no device is observed in this photo.Photo four shows a cadd 250 ml cassette; no damage or dysfunctional conditions are observed.The reported failure mode, occluded, is confirmed.Functional testing: no product has been received to conduct a functional test.Results: if the device arrives, icu will reopen this complaint to include in the investigation the physical sample returned.Root cause: the customer reported: per email notification.Crystallization of morphine on a cadd extension set.Photos attached in complaint and investigation.No other information provided.Unknown if the device is returning for investigation.After reviewing the mitigations that are performed during the manufacturing process to detect occlusion, and analyzing the photos provided, the root cause cannot be determined.A device history record (dhr) review was conducted which indicated all inspections were completed and no issues were noted during manufacture.
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