(b)(4).The 9mm amplatzer septal occluder (aso) was received at sjm and decontaminated.The aso was grossly and microscopically examined, and no anomalies were found.It met dimensional specifications when measured with a caliper.The aso was loaded into a test 6f loader, deployed and retracted without difficulty or deformation, under non-physiological conditions.A review of the device history record confirmed the aso met all visual, dimensional, and functional specifications at the time it was manufactured, prior to shipment.There was no evidence to suggest there was an intrinsic defect in the occluder, and the cause of the embolization remains unknown.
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