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Device for generating an artificial constriction in the gastrointestinal tract

  • US 20040260319A1
  • Filed: 06/02/2004
  • Published: 12/23/2004
  • Est. Priority Date: 06/04/2003
  • Status: Abandoned Application
First Claim
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1. Device for generating an artificial constriction in the gastrointestinal tract with a band (1), which can be placed annularly about a particular portion of the gastrointestinal tract, and a closure device (2) to connect the end regions of the band (1) placed annularly about the portion of the gastrointestinal tract, which, in the closed state of the closure device (2), encompasses a throughlet opening (6), the band (1) comprising a first hollow chamber (13) fillable with a filling medium extending at least over a large portion of the length of the band (1) and on its side facing the throughlet opening (6), delimited by a diaphragm (11), by means of which the size of the throughlet opening (6) can be reduced by filling the hollow chamber (13), and the band further comprising a second hollow chamber (14), separated from this first hollow chamber (13) and fillable with a filling medium, which extends at least over a large portion of the length of the band (1) and which on its side, facing the throughlet opening (6), is delimited by a further diaphragm (12), by means of which the size of the throughlet opening (6) can be reduced by filling the second hollow chamber (14).

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