The certas valve was not returned for evaluation (remains implanted) therefore, an evaluation of the device could not be performed.Lot number information has been provided; therefore, manufacturing records were reviewed and found no anomalies.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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A physician reported a certas valve was implanted in patient via lumbar peritoneal shunt shunt on (b)(6) 2017 with unknown setting.The valve was used with the silascon lumbar catheter (manufactured by kaneka, product code: 702-jj).On (b)(6) 2021, the physician checked the shunt system and found the lumbar catheter was torn, therefore a valve problem was suspected.The physician plans to observe the situation for a while, avoiding immediate reconstruction.The patient is in the follow-up.
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