Apparatus for controlling flow through a body lumen, the apparatus comprising:an injectable flow control device for disposition within the body lumen, the injectable flow control device comprising: a resilient frame for seating against the inside wall of the body lumen and compressible for disposition within a tube for delivery through the side wall of the body lumen to the interior of the body lumen, the resilient frame having an opening therein; anda flow restrictor in contact with the resilient frame for restricting flow through the opening of the resilient frame.