| http://www.w3.org/ns/prov#value | - being suitable for connection respectively to an ventricular catheter and to a drainage catheter for said fluid, a valve member such as ball mounted on a seat at the inside end of said inlet duct, a curved spring blade fitting closely against the side wall and urging the valve member against its seat, a magnetic moving member movable in rotation about an axis X-X??? under control from outside the
|
