OBESITY TREATMENT AND DEVICE
First Claim
1. An apparatus for creating a fistula between a stomach and an intestine of a patient, said apparatus comprisinga flow controller for creating a fistula from said stomach to said intestine of said patient comprising:
- a) a flexible passageway having an internal lumen with an inlet end and an outlet end, said passageway sized to extend from said stomach to said intestine with said inlet residing in said stomach and with said outlet residing in said intestine, and having a valve for controlling the flow of contents through the passageway;
b) a first expandable chamber attached to the passageway proximate said inlet and sized to occupy a substantial volume of the antrum; and
c) second expandable chamber attached to the passageway proximate said outlet;
wherein said first and second chambers are adapted to seal against opposing tissue of at least one of said stomach and said intestine upon expansion of said chambers; and
d) an anchor for securing the passageway, wherein said passageway is completely outside the pylorus.
1 Assignment
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Accused Products
Abstract
A method and apparatus are disclosed for treating obesity includes an artificial fistula created between gastrointestinal organs such as between the stomach and the colon. The method includes selecting an implant comprising a passageway having an internal lumen with an inlet end and an outlet end. The passageway is positioned passing through a first wall of first gastrointestinal organ (for example, passing through the wall of the stomach) and a second wall of a second gastrointestinal organ (for example, passing through the wall of the large intestine) with the inlet end disposed within an interior of the first gastrointestinal organ and with the outlet disposed within an interior of the second gastrointestinal organ.
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Citations
8 Claims
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1. An apparatus for creating a fistula between a stomach and an intestine of a patient, said apparatus comprising
a flow controller for creating a fistula from said stomach to said intestine of said patient comprising: -
a) a flexible passageway having an internal lumen with an inlet end and an outlet end, said passageway sized to extend from said stomach to said intestine with said inlet residing in said stomach and with said outlet residing in said intestine, and having a valve for controlling the flow of contents through the passageway; b) a first expandable chamber attached to the passageway proximate said inlet and sized to occupy a substantial volume of the antrum; and c) second expandable chamber attached to the passageway proximate said outlet;
wherein said first and second chambers are adapted to seal against opposing tissue of at least one of said stomach and said intestine upon expansion of said chambers; andd) an anchor for securing the passageway, wherein said passageway is completely outside the pylorus. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8)
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Specification