What are the benefits of using a penis pump. Is it effective?

Question

Hello-
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 (vacuum constriction devices) consists of an acrylic cylinder with a pump that may be attached directly to the end of the penis. A constriction ring or band is placed on the cylinder at the other end, which is applied to the body. The cylinder and pump are used to create a vacuum to help the penis become erect; the band or constriction ring is used to help maintain the erection.

Rahul Gupta · Accepted Answer

Hello-
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 (vacuum constriction devices) consists of an acrylic cylinder with a pump that may be attached directly to the end of the penis. A constriction ring or band is placed on the cylinder at the other end, which is applied to the body. The cylinder and pump are used to create a vacuum to help the penis become erect; the band or constriction ring is used to help maintain the erection.