It was reported that the patient is experiencing increase in seizures, o2 saturation drops during sleep, and left vocal cord paralysis.Settings were noted to be increased and magnet swipes were more frequently.Additional information was received noting that the increase in seizures were not related to vns and was due to patient's condition.Furthermore, a respiratory tract infection and vns settings adjustment with frequent magnet swipes were co-factors of the o2 saturation drop.The increased use of magnet swipes were noted to also contribute to the vocal cord paralysis.Device history records were reviewed for the device the device passed all functional specifications and quality tests and was hp sterilized prior to distribution.No other relevant information has been received to date.
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Livanova usa, inc.Submits this report to comply with 21 c.F.R.Part 803, the medical device reporting regulation, based on information that livanova has obtained, but may not have been able to investigate or verify prior to the date the report was required by the fda.This report does not constitute an admission, or a conclusion by fda or anyone else, that the device, livanova, or livanova's employees caused or contributed to the event described in the report.In particular, this report does not constitute an admission by anyone that the product described in this report has any "defects¿ or "malfunctions¿.These words are incorporated into the fda 3500a medwatch form by the fda, and livanova objects to their use.
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