A review of the complaint history, drawings, device history record, manufacturing instructions, quality control, and visual inspection of the returned device was conducted during the investigation.One three-way plastic stopcock was returned for evaluation.Stopcock leakage was observed during testing.Also, a 2mm crack was found in the base of the device.Instructions are in place to verify that the device is manufactured to specification.There is no evidence to suggest the product was not made to specifications.Review of the device history record shows no nonconforming events that would contribute to this failure mode.There were no other reported complaints for this lot number.Based on the information provided and the results of our investigation, a definitive root cause could not be determined.Measures have been conducted to address this failure mode.Monitoring will continue to be performed for similar complaints.
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