A facility reported a certas valve (id 828800) was unable to be "turned off".Surgeon was unable to change the setting to 8, x-ray showed the setting between 7 and 8, the surgeon tied the distal catheter to prevent drainage however, the patient died.The patient suffered a traumatic brain injury (tbi) and then after a sub dural haematoma which led to death.The valve was implanted in (b)(6) 2022.
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Certas valve (828800) was not returned for evaluation (as per customer, product not available); 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.However, a possible root cause for the issue reported by the customer, could be due to biological debris and protein build up interfering with the device.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.A medical assessment was requested to medical safety department with conclusion: there is no confirmation of a device related event.There has been no device return and no further information has been received from integra requests.The patient was noted to have been admitted to hospital with a traumatic brain injury and subsequent subdural hematoma, approximately one year status post valve implantation to treat hydrocephalus.At this time, the certas valve was programmed and noted to have been in the 7-8 positions.The doctors decided to tie off the distal catheter to prevent all drainage.Supportive documentation indicated that "there was no concern that the device had contributed to the death of the patient.".
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