The generator and lead were received for analysis with no explanation a lead fracture was identified in the analysis lab.It was determined through obituary search that the devices were explanted due to the patient's death which was unrelated to vns.A break was identified at the end of returned lead portion of the positive coil.The positive coil has pitting and wear (flat surfaces) in the vicinity of the break location.Due to mechanical distortion and/or metal dissolution the fracture mechanism cannot be ascertained.Note that since a portion of the lead (including the electrode array) was not returned for analysis, an evaluation and resulting commentary cannot be made on that portion of the lead.Other than the above mentioned observations and typical wear and explant related observations, no other anomalies were identified in the returned lead portion.
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