Methods and apparatus for creating and regulating a gastric stoma
First Claim
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1. A flow restriction apparatus for placement within a hollow body organ, comprising:
- a plurality of anchors slidingly inter-connected via a drawstring, wherein the plurality of anchors is adapted to adhere to an interior tissue wall within a hollow body organ, and wherein each of the plurality of anchors is further adapted to draw towards an adjacent anchor upon tensioning of the partition such that the hollow body organ is restricted.
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Abstract
Apparatus and methods are provided for creating and regulating a gastric stoma by intraluminally reducing or partitioning a local cross-sectional area of the stomach, thereby inducing weight loss in obese patients. Various embodiments of stomas in accordance with the present invention are provided, as well as various regulation mechanisms for controlling or adjusting the size of the stoma.
327 Citations
31 Claims
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1. A flow restriction apparatus for placement within a hollow body organ, comprising:
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a plurality of anchors slidingly inter-connected via a drawstring, wherein the plurality of anchors is adapted to adhere to an interior tissue wall within a hollow body organ, and wherein each of the plurality of anchors is further adapted to draw towards an adjacent anchor upon tensioning of the partition such that the hollow body organ is restricted. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13)
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14. A flow restriction system for distributing a force applied to a stoma within a hollow body organ, comprising:
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a biocompatible mesh adapted to be formed about a stoma formed from tissue within the hollow body organ, the mesh being further adapted to distribute a force from the tissue surrounding the stoma over the mesh; and
a plurality of tissue anchors for adhering the mesh to the tissue surrounding the stoma. - View Dependent Claims (15, 16, 17, 18, 19, 20, 21, 22)
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23. A method of restricting flow through a stoma within a hollow body organ, comprising:
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advancing a biocompatible mesh endoluminally into the hollow body organ;
forming the mesh onto tissue surrounding a stoma formed from tissue within the hollow body organ; and
securing the mesh onto the tissue. - View Dependent Claims (24, 25, 26, 27, 28, 29, 30, 31)
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Specification