Vacuum Devices, Implants and Surgery to Treat ED

Vacuum Devices, Implants and Surgery ?

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By creating a partial vacuum, mechanical vacuum devices
cause an erection. This draws blood into the penis, expanding
and engorging it. The vacuum device has 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. This works during intercourse by
preventing blood from flowing back into the body. A device with
a vacuum constrictor causes an erection by creating a partial
vacuum around the penis and it draws blood into the corpora
cavernosa. One variation of the vacuum device involves a semi
rigid rubber sheath that is placed on the penis and remains
there after erection is attained.

Surgery usually has one of three goals. The first is to implant a
device that can cause the penis to become erect. The second is
to reconstruct arteries to increase flow of blood to the penis.
And the third is to block off veins that allow blood to leak from
the penile tissues. Sounds pretty simple, right ? - Implanted
devices, known as prostheses, can restore erection in many
men with ED. Possible problems with implants include infection
and mechanical breakdown. Because of technological
advances in recent years, mechanical problems have
diminished tremendously. Malleable implants usually consist of
paired rods, which are inserted surgically into the corpora
cavernosa. The user manually adjusts the position of the penis
and, therefore, the rods. Adjustment does not affect the width or
length of the penis. Inflatable implants consist of paired
cylinders, which are surgically inserted inside the penis and can
be expanded using pressurized fluid. Tubes connect the
cylinders to a fluid reservoir and a pump that are also surgically
implanted. The patient inflates the cylinders by pressing on the
small pump which are located under the skin in the scrotum.
Inflatable implants can expand the width and length of the penis
a bit. They also leave the penis in a more natural state when not
inflated. With an inflatable implant, erection is produced by
squeezing a small pump implanted in a scrotum. The pump
causes fluid to flow from a reservoir residing in the lower pelvis
to two cylinders residing in the penis. The cylinders expand to
create the erection.

Surgery to repair arteries can reduce ED caused by
obstructions that block the flow of blood. The best candidates
for such surgery are young men with discrete blockage of an
artery. Most of these problems are caused by an injury to the
crotch or fracture of the pelvis. The procedure is almost never
successful in older men with widespread blockage. Surgery to
veins that allow blood to leave the penis usually involves an
opposite procedure intentional blockage. Blocking off veins can
reduce the leakage of blood that diminishes the rigidity of the
penis during erection. Experts, however, have raised questions
about the long term effectiveness and safety of this procedure
and therefor is rarely done.

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