How A Vacuum Device Works For Erectile Dysfunction

For men who have problems with erectile dysfunction, a vacuum constriction device (VCD) might be the answer, so here is how a vacuum device works for erectile dysfunction (ED). This device is the only treatment approved by the American Urology Association as a safe, non-invasive, effective treatment for erectile dysfunction. Fifty to eighty percent of men using a vacuum constriction device are satisfied with the results.

You will need:

  • A complete physical to determine the cause of your erectile dysfunction
  • A lubricant
  • A vacuum constriction device which includes a construction ring


  1. What exactly is a vacuum constriction device? A VCD is a device that has been designed to help men with erectile dysfunction. It has an acrylic cylinder with a pump and a constriction ring at the base end. The cylinder and pump create a vacuum which helps the penis become erect. The pump can work manually or on batteries.
  2. What does it do? When the cylinder is placed over the penis and the air is pumped out of the cylinder, it creates a vacuum. The creation of the vacuum makes the penis swell and become erect from the blood being drawn into the penis shaft.
  3. What is a constriction ring? At the base end of the cylinder of the vacuum constriction device is a constriction ring. After the vacuum has caused the penis to become erect, using a lubricant, the constriction ring is slipped off the cylinder onto the base of the shaft of the penis. This constriction ring allows the penis to stay erect for a period of time. At this point the cylinder should be removed. The constriction ring can safely remain on the penis for approximately 30 minutes, allowing the user to have intercourse.
  4. Who can use a VCD? Men who suffer from erectile dysfunction often have poor circulation to the penis, diabetes, have had prostate or colon cancer surgery, or may suffer from anxiety or depression. These men are good candidates for the VCD. It is not recommended for men with congenital bleeding disorders, leukemia, sickle cell anemia, or a predisposition to priapism (prolonged, painful erection that lasts for hours).
  5. What are the side effects? The VCD is generally considered the safest non-invasive method of treatment for men with erectile dysfunction by the American Urology Association. The VCD may cause a black and blue mark on the penis that is not painful and goes away in a few days. The penis does, however, tend to be purplish and may be cold or numb. The user will experience a lessened force of ejaculation because the constriction ring keeps the semen in at ejaculation. When the ring is released the semen often dribbles out, but should not interfere with the orgasmic experience and pleasure. Other methods such as implants, inserts in the urethra, oral medications, and injections into the penis are far more invasive and may have harmful side effects, in addition to requiring more visits to the doctor.
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