System for reversible contraceptive sterilization It is proposed to provide an implantable tube valve for implanting in a human vessel, in particular, the fallopian tube. The implantable tube valve comprises: an implantable tube (110) having an inner tube wall (111) extending between two axial tube ends and comprising a mount inside the tube and a valve member (120) mounted in said mount and pivotable between an open position and a closed position wherein the valve member (120) comprises a sealing edge (116) contacting, the inner tube wall (111), when pivoted in the closed position, the valve member (120) thereby closing off passage through the implantable tube the valve member (120) further comprising an outer face (114) conformal to the inner tube wall (111) and an inner face (115) conformal to the outer face thereby providing unobstructed passage through the implantable tube, when pivoted in the open position.
