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Bioerodible self-deployable intragastric implants

  • US 7,785,291 B2
  • Filed: 04/19/2007
  • Issued: 08/31/2010
  • Est. Priority Date: 03/01/2005
  • Status: Active Grant
First Claim
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1. A compacted, swallowable, self-expanding, temporary gastric implant comprising:

  • a. at least one expandable envelope having an interior and an exterior, configured to temporarily seal, after the implant has been swallowed, the envelope interior from gastric fluid in a human stomach at least until an integral, frangible gas-producing composition in fluid communication with the interior of the envelope produces a gas to expand the envelope to a selected size, and wherein the envelope is configured so that the selected size of the expanded envelope contacts walls of the stomach sufficiently to produce a sensation of fullness in that stomach, andb. the integral, frangible gas-producing composition configured to produce a gas after being swallowed by a human being and upon fracture of at least a portion of the integral, frangible gas-producing composition.

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