(b)(4).Investigation summary: one sample was returned by the customer, but it was lost in the shipping/receiving process.Therefore, the reported condition could not be confirmed.A lot number was not provided for evaluation.As such, device history records could not be reviewed at this time.A two year complaint trend was performed and it was observed that no similar complaints have been reported where the sheath came off of the stylet while attempting to intubate.As a part of the manufacturing process, stylets receive a 100% visual inspection by operators to ensure that the sheathes are fully welded.Additional samples are pulled and inspected by qc personnel during the final inspection and release process.With each work order that is manufactured, supervisors are responsible for verifying the training of personnel involved in the job.All employees involved in the manufacturing of finished stylets have been trained on the appropriate operating and inspection procedures.There were no discrepancies noted from the receiving or manufacturing process that could impact product functionality or be linked to the condition reported.The stylet sheath for (b)(4), is a purchased component.There have been no changes to the material specification since july 2006.Receiving inspection records for the component were reviewed from january 2012 to present, and all received materials met the relevant acceptance criteria.At this time, a root cause cannot be determined with no sample and no lot number available for evaluation.This issue will be re-evaluated if more information becomes available in the future.
|