There were multiple lot numbers reported to be involved.The information for each lot number is as follows: medical device lot #: 2115276.Medical device expiration date: 30-apr-2025.Device manufacture date: 25-apr-2022.Medical device lot #: 2115277.Medical device expiration date: 30-apr-2025.Device manufacture date: 25-apr-2022.Medical device lot #: 1167960.Medical device expiration date: 30jun2024.Device manufacture date: 16jun2021.Medical device lot #: 1116327.Medical device expiration date: 30apr2024.Device manufacture date: 26apr2021.Medical device lot #: 2045306.Medical device expiration date: 28feb2025.Device manufacture date: 14feb2022.Investigation summary: it was reported there was resistance when attempting to push the plunger to flush a line.To aid in the investigation, two empty samples with no packaging flow wraps or tip caps were received for evaluation by our quality team.A visual inspection was performed and no defects or imperfections were observed.The samples were then tested for sustaining force, which is the force applied to the plunger rod while moving downwards when expelling the saline solution, and the results were within specification.A device history record review was completed for provided lot numbers.The review did not reveal any detected quality issues during the production of this lot that could have contributed to the reported defect.Based on the investigation and with the returned sample analysis the symptom reported by the customer could not be confirmed and a probable root cause could not be offered.Complaints received for this device and reported condition will continue to be tracked and trended.Our quality team regularly reviews the collected data for identification of emerging trends.
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