(b)(4).Review of the device history record for 00515048200, lot number z000007759, identified no relevant deviations or anomalies.Product examination found that the battery pack had failed because a battery had leaked.This caused corrosion of the battery contacts.This complaint is confirmed.The root cause of the reported event was due to the battery leaking and corroding the battery contacts.It was found during evaluation that the battery failed and had leaked, corroding the battery contacts.The corroded contacts would prevent the battery from then supplying the necessary power to the device and therefore cause the pulsavac to not function as intended.The investigation was based on the information that was provided initially and any information that was obtained throughout the follow-up process.
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