Catalog Number 443985 |
Device Problem
False Negative Result (1225)
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Patient Problem
No Clinical Signs, Symptoms or Conditions (4582)
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Event Date 07/25/2023 |
Event Type
malfunction
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Manufacturer Narrative
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B3: date of event is unknown.B3.The date received by manufacturer has been used for this field.H.3.A device evaluation and/or device history review is anticipated but is not complete.Upon completion, a supplemental report will be filed.
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Event Description
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It was reported that while using bd max¿ enteric viral panel it never detected sapo.Sapo positive on repeat.The following information was provided by the initial reporter: specimen repeatedly tested with max evp on ct2689 but never detected sapo (only rota and/or adeno).To verify evp result, we tested specimen on another max (ct3078).Local application prepped sample buffer tube using same specimens at site as triplicate.Ct3078 run 32 - accession 1-1, 1-2, 1-3 - from same specimen and triplicated (sapo pos on spec #1 accession 1-1).
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Manufacturer Narrative
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H.6.Investigation summary: the complaint alleges the bd max instrument had "false positives." customer reported that they are witnessing suspected false positive results for adenovirus while running the enteric viral panel assay.The customer run database was provided to bd service and quality for analysis.This analysis revealed evidence of optical crosstalk between fam and vic optics as well as potential bubbles present in the pcr cartridge thus causing irregularly shaped pcr curves.Bd service acknowledged that the customer has experienced performance issues with this instrument and recommended instrument replacement.A bd field service engineer (fse) was dispatched to the customer site where they performed de-installation of the instrument and sent the instrument back to bd for further investigation.This complaint is confirmed by service and quality.The root cause cannot be determined with the information provided.Sample analysis consisted of customer instrument run data files.Analysis by bd quality revealed evidence of optical crosstalk and bubbles in the pcr cartridge.Review of the device history record for this instrument is not required as this complaint does not allege an early life failure or failure at install of the instrument and the complaint was confirmed through other means.Service history review was performed for the instrument and two additional cases were observed on 30may2023 and 13jun2023 for the complaint failure mode reported.
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Event Description
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It was reported that while using bd max¿ enteric viral panel it never detected sapo.Sapo positive on repeat.The following information was provided by the initial reporter: specimen repeatedly tested with max evp on ct2689 but never detected sapo (only rota and/or adeno).To verify evp result, we tested specimen on another max (ct3078).Local application prepped sample buffer tube using same specimens at site as triplicate.Ct3078 run 32 - accession 1-1, 1-2, 1-3 - from same specimen and triplicated (sapo pos on spec #1 accession 1-1).
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Search Alerts/Recalls
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