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CLOSED LOOP GASTRIC RESTRICTION DEVICES AND METHODS

  • US 20110245598A1
  • Filed: 06/20/2011
  • Published: 10/06/2011
  • Est. Priority Date: 03/23/2004
  • Status: Abandoned Application
First Claim
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1. A system to treat an obese patient comprising:

  • a) an adjustable implantable band having a volume of fluid therein and adapted to encircle the stomach;

    b) an implantable pressure sensor adapted to measure changes in fluid pressure within the band, the fluid pressure changes related to patient ingestion of food which passes through the lumen of the stomach of the patient;

    c) a controller adapted to change the volume of the fluid in the band in response to the changes in fluid pressure within the band; and

    d) a gain control associated with the controller, wherein the gain control is adapted to increase or decrease the magnitude of the change in volume.

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