Unique device identifier (udi) : (b)(4).The valve was not returned for evaluation (per customer, product not available) 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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A physician reported the hakim valve setting could not be changed: the valve was implanted via v-p shunt on (b)(6) 2010 with an unknown initial setting.On an unknown date, it was found that the setting could not be changed from 120mmh2o.Therefore, the valve was replaced with a new valve on (b)(6) 2020.
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