LIPOsuction
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Low Frequency
Liposuction –
The Power
Cannula
by Nicanor Isse, M.D.
Low frequency liposuction
(also called the power cannula) uses a mechanical vibrating cannula, with a
frequency about 100 times per second, in contrast with the internal ultrasound
that uses a frequency about 20,000 times per second.
The
mechanical action is originating from a box, away from the patient. Then it is
transmitted to a snail engine located on the handle of the cannula, where the
frequency is reduced in order to decrease vibration of it. A reciprocated
action is originating in this hand piece, moving a cannula approximately 3 mm.
back and forth. The vibrating action of the cannula, plus the normal surgeon
motion of the handle, allows the fatty tissue to be separated and suctioned out
of the patients body into a container. I have used this machine in several
cases, with the following findings:
Intra-operative
findings: Due to the low frequency vibration of the cannula, the process of
liposuction became easier, with gentle penetration of the cannula through the
tissue
Intra-operative
endoscopic examination of the "tunnels" shows integrity of the
neurovascular bundles and fibrous septi surrounding the fat lobules. This is
manifested clinically with less bleeding.
It is important to
mention that the sizes of the cannula used were around 3 to 5 mm. Working on
harder areas such as the breast, epigastrium and the back also become easier.
Superficial
liposuction can be done without difficulty allowing a very good skin
retraction. Liposuction around the umbilicus can be easily done. I have
performed procedures under local (Tumescent anesthesia) of the lower abdomen.
It was tolerated very well by the patient, appears to be less painful during
the procedure, due to the fact that small cannulas and mechanical vibrations
(low frequency) are used combined.
Because the
surgeon's efforts are less, work can be done more comfortably with reduced
operative time about 30 percent, except for a relative minimal vibration on the
handle, which can be annoying after a couple hours of work. This condition,
however, has improved especially with the newer version of the cannulas.
Clinically, the
patient’s recovery appears to be more pleasant, less painful, although this
term is very difficult to evaluate, due to the patient’s variations.
In summary, I can
say that low frequency liposuction is a very good alternative to internal
ultrasound. It is easier to use, no risks of burning of the skin, more
superficial, more control work ran be done and it works very well on fibrous
areas.
According to Dr.
Edward Baccari, when he uses the power cannula, the results are more impressive
- less bruising and pain. Prior to using this specific cannula, he was having
problems with getting good results on the buttocks area.
The main difference
with the power cannula compared to others is with the oscillation - it rotates
in a vertical direction, said Dr. Baccari. Also, the power cannula doesn't take
out any of the smaller blood vessels or nerves. Again, there's less bruising
involved, he said.
"The power
cannula works extremely well on the buttocks and the abdomen," said Dr.
Baccari. "It works like a charm."
Before using the
power cannula, Dr. Baccari used external ultrasound which, he said, didn't
produce the same results. However, when the fat comes out from using the
external, one receives better quality of fat, which can be used for
reinjection. The fat that results from the power cannula is much coarser.
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ABOUT the author
Dr Nicanar Isse completed his surgery and plastic
surgery residency program at Wilmington Medical Center. Thomas Jefferson
Affiliated Center In Wilmington Delaware. Following this, he obtained his
Certification by the American Board of Plastic and Reconstructive Surgery.
After completion of his plastic surgical training, he established his private
practice devoted exclusively to plastic surgery n Los Angeles. CA. Dr. Isse
holds a teaching position on the clinical faculty of the University of
California Los Angeles School of Medicine, where he established the first
Endoscopic Lab for the resident program. He else is a Clinical Instructor in
surgery, Plastic Surgery Department, at the University of Southern California
School of Medicine. He is a published co-editor-author of the book
Endoscopically Assisted Plastic Surgery and author of many medical
textbooks and journals.
62 Plastic Surgery Products
MARCH 1999