Shunt valve

Claim 1

A shunt valve for draining of cerebrospinal fluid and having an application for ventricule peritoneal and ventriculo arterial shunting comprising a housing of a deformable elastomeric material closed at the proximal and distal ends, a non-deformable valve chamber adjacent to the distal end of the housing, said valve chamber having an inlet at one end and an outlet at the opposite end, an inlet chamber provided between the inlet end of said valve and the distal end of said housing, a deformable outlet chamber provided between the outlet of said valve and the proximal end of the housing, an inlet tube for the said fluid and extending along one of the longitudinal sides of said housing and opening into the inlet chamber, an outlet tube extending along a longitudinal side of said housing and opposite to that of the inlet tube and having an opening in the outlet chamber, said valve chamber having at the inlet end a seat for a ball valve and a discharge plate at the outlet end, a passage provided in said seat for introduction of fluid within said valve chamber, the discharge plate for regulating discharge at the outlet end provided with a plurality of spaced openings cooperating with the ball valve for discharge of the fluid from the valve chamber even after an active flushing of said valve, said inlet and outlet tubes disposed along the same axis.