Additional information: describe event or problem - the patient was having a cardiac mri at time of event.The patient's hospitalization was in the cardiology department.Device evaluation: result - a review of the device history record revealed no abnormalities during the manufacture of the reported lot number 4294424.One unused sample of a bd pegasus 20g was received (b)(6) 2015 from lot number 5041010, which is not the reported lot number for this incident.A visual inspection by microscope was performed.No abnormality is found in the in-coming/assembly process and machine maintenance record.No abnormality is found in the in-process inspection.No abnormality is found on the returned sample.The torque was determined by qa inspection and was found within the scope of product requirements.When the end cap is screwed on, no leakage is found under 6 psi and 45 psi inspection and no end cap loosening appeared.Because the material of end cap and extension tubing adapter are different, the shrinkage of the two materials in temperature changes is different.Temperature change and vibration during transportation may lead to lower torque.Therefore, inspection of the connection of the end cap before puncture is a requirement per the product instructions.Conclusion - this incident may be caused by temperature change and vibration during transportation which leads to lowering the torque of the end cap.The end cap connection should be tested prior to use.The inspection of the returned sample meets all standard requirements.However, the customer's complaint cannot be confirmed as the returned sample is not from the same lot as the suspect device used in this incident.An absolute root cause for this incident cannot be determined.See device evaluation in manufacturer narrative.
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