(b)(4).The 34mm aso was returned to sjm and decontaminated.The occluder was grossly and microscopically examined, and no anomalies were found.It met dimensional specifications when measured with a caliper.No additional testing was performed.The device history record for this product was reviewed to ensure that each manufacturing and inspection operation was performed.The review determined the process was performed and completed in accordance with sjm specifications and procedures.The results of this investigation confirmed the aso met all dimensional specifications when analyzed at sjm.There was no evidence to suggest there was an intrinsic defect in the occluder, and the cause for the reported event remains unknown.
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