The following fields were updated due to additional information: d9: device available for eval yes, d9: returned to manufacturer on: 15-apr-2022.H6: investigation summary: a device history review was conducted for lot number 0357658.Our records show that this is the only instance of this issue occurring in this production batch.According to the sampling plan applied for product performance, this lot was accepted and released without defects being noted during the final assembly or visual inspections.Additionally a sample was returned to aid in our investigation.During visual analysis our engineers noted that the extension tubing of the returned sample was not seated in the adapter body.This would have lead to the observed leakage experienced by the facility, the issue has been confirmed.Closer inspection of the metal tubing cuff identified a lack of swaging.In response to this non-conformance, our engineers have reviewed our manufacturing process, the swaging station used, and the manufacturing logs for this lot.They were unable to identify any evidence of complications or deviations from expected manufacturing line performance.Unfortunately the root cause for this event could not be determined at this time.
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