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Obesity treatment

  • US 7,731,757 B2
  • Filed: 06/01/2004
  • Issued: 06/08/2010
  • Est. Priority Date: 06/01/2003
  • Status: Expired due to Fees
First Claim
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1. A food intake-limiting device for peroral implantation in the stomach adjacent a gastroesophageal junction, comprising:

  • inner and outer elements defining an ingestion chamber with a proximal entry opening and a distal exit opening to limit a rate of efflux;

    a plurality of openings in the outer element for protrusion of stomach lining to the inner element;

    wherein the inner element includes a plurality of retention members to hold the protruding stomach lining, wherein the retention members comprise tangential spikes, whereby the device is secured to the stomach lining; and

    wherein the inner and outer elements are frustoconically tapered from a relatively larger proximal radius to a relatively smaller distal radius.

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