Visual and functional analysis was performed on the returned product.The reported broken nose piece and leak was confirmed.The deployment difficulty was not confirmed as the stent had already been deployed and was not returned.A review of the lot history record identified no manufacturing nonconformities issued to the reported lot that would have contributed to this event.Additionally, a review of the complaint history identified no other similar complaints.The investigation was unable to determine a cause for the reported broken nose piece resulting in leak, deployment difficulty and unexpected medical intervention.It was reported that device was prepared prior to use without issues, indicating that the damage was not pre-existing.It may be possible that the hub was inadvertently mishandled during insertion into the introducer sheath or guide catheter causing the nose piece to crack; however, this could not be confirmed.There is no indication of a product quality issue with respect to the design, manufacture, or labeling of the device.
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