The device history record was reviewed, the lot was found to have been manufactured and released per predetermined specifications.No anomalies were found in the review of the records.No trend was identified for this issue.The sample was received.After evaluation it was determined the top seal may not have received adequate pressure when sealing this pack.The plant¿s quality system mandates suitable in-process controls to measure seal integrity of representative samples.(b)(4) samples were pulled during production of this lot and tested at predetermined locations to best gauge the seal integrity by pull test and functional leak testing.All samples pulled from this lot met the predetermined criteria before it was released.(b)(4).
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