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BIOERODIBLE SELF-DEPLOYABLE INTRAGASTRIC IMPLANTS

  • US 20110040318A1
  • Filed: 07/22/2010
  • Published: 02/17/2011
  • 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, 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; and

    the envelope being further operable to maintain such expansion for a selected period of time; and

    ,b. an integral, gas-producing composition configured to produce a gas after being swallowed by a human being;

    wherein said integral, gas-producing composition is adapted to produce said gas upon application of an external stimulus, such that said external stimulus causes fracture of at least a portion of said integral, gas-producing composition, so as to inflate said at least one expandable envelope.

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