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Advancement Techniques For Gastrointestinal Tool With Guiding Element

  • US 20080161645A1
  • Filed: 02/08/2006
  • Published: 07/03/2008
  • Est. Priority Date: 02/10/2005
  • Status: Active Grant
First Claim
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1. Gastrointestinal apparatus for use with a fluid pressure source, the gastrointestinal apparatus comprising:

  • a guiding element, adapted to be inserted into a colon;

    a piston head coupled to a distal portion of the guiding element and adapted to;

    be inflated to form a first pressure seal between the piston head and a wall of the colon after the guiding element has been inserted into the colon, andbe advanced distally through the colon in response to pressure from the fluid pressure source applied to an external surface of the piston head;

    a gastrointestinal tool adapted to be advanced along the guiding element; and

    an annular balloon coupled around a distal portion of the gastrointestinal tool, the balloon expandable to form a second pressure seal between the distal portion of the gastrointestinal tool and the wall of the colon.

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