A physician reported a certas valve was implanted on (b)(6) 2021 with setting 3.After implantation, the valve was functioning properly.The patient returned the next day because the valve was malfunctioning (not draining).Csf was clear, so no apparent obstruction was observed.The valve was removed and replaced.
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Unique device identification (udi): (b)(4) or (b)(4).The certas valve was not returned for evaluation and no lot number information has been provided.Therefore, an evaluation of the device could not be performed, and manufacturing records could not be reviewed.The cause(s) of the difficulty reported by the customer could not be determined.If additional relevant information becomes available in the future, this complaint will be reopened, and the respective evaluation performed.Trends will be monitored for this and similar issues.At present, we consider this complaint to be closed.
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