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Resistive anti-obesity devices

  • US 7,819,836 B2
  • Filed: 07/12/2007
  • Issued: 10/26/2010
  • Est. Priority Date: 06/23/2006
  • Status: Active Grant
First Claim
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1. A gastrointestinal implant device comprising:

  • an anchor adapted to be retained in the pyloric orifice or distal to the pylorus; and

    a restrictive aperture attached to the anchor, adapted to retard the outflow of chyme from the stomach, the aperture expanding substantially at a pressure of 50 inches of water or more, the diameter of the aperture being about 5 mm or below, when the water pressure is between 0 and 50 inches of water.

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