[A new valve controlled system for ventricular drainage. (Technical description and clinical results)]

A new valve controlled system for continuous ventricular drainage has been described. The clinical experiences (114 patients) are very satisfactory, even after a drainage duration of 15 days. The main advantages of the method are the resistance of all connexions against traction, the fixed position of the ventricular catheter, the variable opening pressure of the valve and the insensitivity to air or gas bubbles, at last the protection of the valve against blood and protein clots by use of filters. We have used the system for the continuous monitoring of the ICP and for diagnostic purposes (ventriculography, examination of cerebrospinal fluid) with good results.