implantierbares valve for treating hydrocephalus

摘要

The invention relates to a valve which is implantable into the body of a patient for the treatment of hydrocephalus, including: - a housing (7) forming a cavity; - a separation membrane (8) mounted at its periphery on the housing, provided with an orifice (12) and defining two chambers in the cavity; - the housing formed in an upstream chamber a seat for the membrane surrounding the orifice; - a rod (16) of variable cross section designed to penetrate axially into the orifice; - means (14, 15) for supporting the tige.cette valve comprises axial displacement means (23) of the rod support means, and the drive means (19) in order to cause the displacement means, the drive means being arranged to be activated from outside the patient's body so as to allow the adjustment of the valve of non-invasive manner.