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A vacuum constriction device (VCD) is an
external pump with a band on it that a man with erectile dysfunction can use
to get an maintain an erection.
The VCD 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.
The pump helps the penis become erect while
the band maintains the erection.
How Does It
Work?
To use the device:
1. Place the pump, which can be pumped by hand or run on
batteries, over the penis.
2. Pump the air out of the cylinder so that a vacuum is
created. The vacuum draws blood into the shaft of the penis and causes it to
swell and become erect.
3. Once the penis is erect, with the help of lubricant, slide
the retaining band down onto the lower end of the penis.
4. Remove the pump.
Intercourse can be attempted with the
constriction band in place to help maintain the erection. The band can be
left on safely for up to 30 minutes to allow for successful intercourse.
How Well Do
Vacuum Constriction Devices Work?
Studies suggest that about 50%-80% of men are
satisfied with the results of VCD. As with any other method of treatment for
erectile dysfunction (ED), satisfaction rates may decrease with time.
Who
Should Consider Using a Vacuum Constriction device?
Vacuum constriction devices are safe and can
be used by patients with ED caused by many conditions, including: Poor blood
flow to the penis, Diabetes, Surgery for prostate or
colon cancer,
and Psychological issues such as anxiety or
depression
Vacuum constriction devices should not be used
by men who may have a significant congenital bleeding disorder or a disorder
that predisposes them to a condition called priapism
(a
prolonged, sometime painful erection lasting over several hours). Examples
include sickle cell
anemia, some forms of
leukemia, and other blood conditions.
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