A vacuum constriction device (VCD) is an external pump with a band on it that a man ... It may take several months to work. Talk to your urologist about the specifics of this protocol.

Wait, do penis pumps really work? The device consists of an acrylic ... As the user pumps air out of the tube, the resulting vacuum increases blood flow into his erectile tissue.

A penis pump ... to work but not too tight that it’s uncomfortable. You may need to try different sizes to find the right one. You may see ads in magazines and online or see vacuum devices ...