The device history record (dhr) was reviewed showing the lot was manufactured according to standards and that there were no discrepancies that could be related to the event reported.Based on review, it's concluded that the lot was released according to product requirements.There was no sample submitted for evaluation and the reported condition could not be confirmed.Based on current manufacturing process, no manufacturing or design issues were identified.As such, the root cause could not be determined.There is no corrective or preventative action (capa) required at this time.It must be noted that in-process controls, such as personnel training, incoming quality acceptance testing for raw material, 100% in process visual inspection, and visual acceptance sampling are in place to prevent nonconforming product from leaving the manufacturing operations.This complaint will be used for tracking and trending purposes.
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