Clinical study: adverse event (ae) : a (b)(6) y/o male patient had a certas plus inline valve implanted on (b)(6) 2021 with an initial setting of 5 for the treatment of normal pressure hydrocepahlus.On (b)(6) 2021, the patient presented with chronic subdural hematoma on the right hemisphere and the device setting was changed to 8.Although the hematoma slightly decreased after 2 weeks, new symptoms occurred (headaches, hypaesthesia on the left side).Therefore the hematoma was evacuated via a burr hole.The clinical study investigator stated they will reopen the valve step by step earliest in 1 month.The outcome of the event was deemed as resolved on (b)(6) 2021 clinical study investigator assessment: ae has a causal relationship with the device and a causal relationship to the procedure.
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828802 certas inline vlv w/untzd cat was not returned for evaluation; therefore, an evaluation of the device could not be performed.Lot number information has been provided; therefore, device history record (dhr) was reviewed, and no anomalies were found.The root cause(s) of the reported issue 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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