This Medical Video:
What Happens During an Erection?
In order to attain an erection,
messages from the brain and other sense organs trigger the arteries
of the penis to dilate. This allows an increased amount of blood to
flow into three columns of spongy tissue in the penis.
arteries supplying blood to the corpus spongiosum and to the two
larger columns, the corpus cavernosa, become filled with blood; the
penis grows and becomes rigid. Pressure of the engorged tissue
against the veins in the penis effectively traps blood within the
penis until climax is reached or the sensation wanes.
Impotence, or the inability to attain or maintain
an erection, can be caused by a disruption at any stage in this
process. Several types of penile implants are available that create
an artificial erection. Two common types of implants are the
semi-rigid malleable rod and the inflatable implant.
semirigid malleable rod is usually made of plastic with a core of
flexible wire. These rods can be bent down to conceal the penis
under clothing or raised to form an artificial erection.
inflatable implant is more complex and involves several working
parts a reservoir of fluid that is implanted into the abdomen, a
pump system located in the scrotal sac near the testes, and two
How Penile Implants Help Erectile
In order to attain an erection, the scrotal pump must be
squeezed repeatedly to propel fluid into the penile cylinders. When
an erection is no longer desired, a release valve is pressed on the
side of the pump and the cylinders deflate.
Before Having Penile
Persons considering these types of implants should
speak with their physician or healthcare professional about possible
risks and complications.