The following fields were updated due to additional information: d.4.Medical device lot #: 2006428.D.4.Medical device expiration date: 5/31/2025.H.4.Device manufacture date: 6/17/2020.D.4.Medical device lot #: 2012415.D.4.Medical device expiration date: 11/30/2025.H.4.Device manufacture date: 12/14/2020.D.4.Medical device lot #: 2006404.D.4.Medical device expiration date: 5/31/2025/ h.4.Device manufacture date: 6/2/2020.D.4.Medical device lot #: 2006427.D.4.Medical device expiration date: 5/31/2025.H.4.Device manufacture date: 6/17/2020.D.4.Medical device lot #: 2006429.D.4.Medical device expiration date: 5/31/2025.H.4.Device manufacture date: 6/17/2020.H.6.Investigation: a device history record review was completed for provided lot numbers 2006428, 2012415, 2006404, 2006427, and 2006429.The review did not reveal any detected abnormalities during the production process that could have contributed to the reported defects and all quality tests were found to be within specification.To aid in the investigation of this incident, thirty-four samples with open blister packages were returned for evaluation by our quality engineer team.The syringes were examined and six needles were found bent outside of specifications, three of the bent needles were found to be slightly blunt, one syringe presented a scale marking issue where the scale was legible but slightly blurred, and none of the syringes showed signs of air bubbles.Regarding the scale marking issue, an unexpected malfunction with the roller system which transfers ink to the syringe must have occurred, causing the scale to print slightly blurred.As our quality team was unable to reproduce the reported defect of air bubbles, a cause could not be determined for this defect.
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