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Noninvasively adjustable gastric band

  • US 7,899,540 B2
  • Filed: 04/29/2005
  • Issued: 03/01/2011
  • Est. Priority Date: 04/29/2005
  • Status: Active Grant
First Claim
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1. A method of noninvasively adjusting a gastric band used for treating an eating disorder, the method comprising:

  • providing an implantable gastric band unit comprisinga gastric band comprising an inner periphery for contacting at least a portion of a patient'"'"'s gastrointestinal tract that is innervated by at least one of the anterior branch and the posterior branch of the vagus nerve, an adjustment element, a receiver coupled to said adjustment element, a plurality of stimulation electrodes on said inner periphery and at least one pressure sensor on said inner periphery;

    providing an external adjustment controller for transmitting an adjustment signal to said receiver;

    surgically coupling said implantable gastric band unit to said portion of the gastrointestinal tract;

    noninvasively transmitting an adjustment signal to said receiver;

    adjusting the constriction provided by said gastric band to said at least a portion of the gastrointestinal tract using said adjustment element in response to said adjustment signal; and

    regulating said adjustment signal based on a pressure signal sensed by the at least one pressure sensor to maintain a desired constant pressure on said portion of said patient'"'"'s gastrointestinal tract, when said gastric band unit is used to treat obesity, compulsive overeating, bulimia nervosa or anorexia nervosa.

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