25 August 2008

Implantable Gastric Stimulator Is a method that provide an alternative to more invasive and induces satiety, while avoiding the morbidity and the mortality of the common restrictive, malabsorptive or combination restrictive/malabsorptive operations. Surgical procedures for treating morbid obesity The procedure does not alter the normal anatomy.

The procedure involves implanting two electrodes into the wall of the stomach via keyhole surgery. These are then attached to a small battery powered stimulator that’s inserted beneath the skin to the side of the stomach. The stimulator sends out programmed electrical pulses to the electrodes, which in turn stimulate the stomach to send messages to the brain to induce feelings of fullness.

The lead is implanted in a laparoscopic procedure with 2 - 4 trocars used during the implantation: one for the camera, two for operating ports and one (optional) for liver retraction. The IGS is placed in a subcutaneous pocket in the abdomen. The regular surgery time is less than one hour.

The implanted pulse generator delivers electrical pulses to the stimulation lead. The lead conducts the pulses to the smooth muscle of the stomach. The external programmer can noninvasively communicate with the implanted pulse generator and allows the electrical parameters to be adjusted. The programmer consists of a computer connected to a small programming wand. It is used to check and, if necessary, change electrical values of the IGS before and after implantation. Communication is accomplished noninvasively via radio frequency signals.

Initial trials reveal that 80 percent of people lost weight after having the device implanted, with 60 percent losing more than 10 percent of their body weight over 29 months.

How Does the Hunger Reducer Pacemaker Work?
Via electrical stimulation, appetite is suppressed by the implantable gastric stimulator. In turn, the patient experiences a feeling of fullness thus curtailing food intake, thus achieving weight loss.

What is the Surgical Procedure for the Implantable Gastric Stimulator?
The hunger reducer pacemaker can be implanted in about an hour and may be performed on an outpatient basis for most individuals.

What does the Procedure for Implantable Gastric Stimulator cost?
About $15,000. The gastric stimulator pacemaker is expected to be reviewed by the FDA in about 2 years and should be available shortly thereafter if approved.

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