Vacuum Devices: These work by creating a partial vacuum around the penis, which draws blood into the organ. The devices have three components: a plastic cylinder, into which the penis is placed; a pump, which draws air out of the cylinder; and an elastic band, which is placed around the base of the penis to maintain the erection after the cylinder is removed and during intercourse. What Is Erectile Dysfunction? Also known as impotence, erectile dysfunction is defined as the inability to attain and/or maintain an erection suitable for intercourse. Causes of erectile dysfunction include diseases affecting blood flow, such as atherosclerosis (hardening of the arteries); nerve disorders; psychological factors, such as stress, depression, and performance anxiety (nervousness over his ability to sexually perform); and injury to the penis. Chronic illness, certain drugs, and a condition called Peyronie's disease (scar tissue in the penis) also can cause erectile dysfunction. How Is Male Sexual Dysfunction Treated? Many cases of sexual dysfunction can be corrected by treating the underlying physical or psychological problems. Treatment strategies may include the following: Psychological therapy: Therapy with a trained counselor can help a person address feelings of anxiety, fear, or guilt that may have an impact on sexual function. best price viagra buy viagra canadian pharmacy cialis cialis online Erectile Dysfunction: Is A New Treatment On The Way? Nitric oxide. The chemical doesn't sound particularly sexy, but it plays a singular role in triggering male erections, a fact that's been known for 20 years. But figuring out how to treat erectile dysfunction and help men maintain erections has been far trickier to nail down. click to buy cialis buy cialis online Dynamic infusion cavernosometry (DICC) - technique in which fluid is pumped into the penis at a known rate and pressure. It gives a measurement of the vascular pressure in the corpus cavernosum during an erection.