A vacuum constriction device (VCD) is an external pump with a band on it that a man with erectile dysfunction can use to get and maintain an erection. The VCD consists of an acrylic cylinder with a ...

An ED pump is a noninvasive device used to help men achieve and maintain erections by using air suction to draw blood into the penis; it is not a cure, but can improve the ability to have intercourse.

What Does a Penis Pump Do? A penis pump is a vacuum device that can help your penis get hard and stay hard for penetrative sex. You might use one if you have erectile dysfunction (ED), which is ...