A nurse reported the patient presented with 2-3-day history worsening gait, urinary incontinence, and decline in cognitive function.Large volume lumbar puncture was performed with improvement in symptoms led to revision of the hakim valve, decrease flow through valve in operative room.
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Unique device identification (udi) - (b)(4).Hakim valve was not returned for evaluation 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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