Method and apparatus for management of normal pressure hydrocephalus

摘要

Method and apparatus for management of normal pressure hydrocephalus.The present invention relates to a drainage system is adjustable to regulate the flow of cerebrospinal fluid in a patient with hydrocephalus where the rate of drainage is adjusted in response to the variShares in the ventricular volume in the patient.The system includes an adjustable valve and a sensor volume that can be periodically energized with an external system controller device by the patient or physician to determine when,Or, a change in ventricular volume occurred.The system allows the user to adjust the resistance of the valve in response to changes in ventricular volume using the controller device so that a target can be al ventricular volumeCan u00e7 ADO. In addition it is provided a method of continuous drainage of cerebrospinal fluid from the cranial cavity of the patient using the system of the present invention.