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US 2011/0257580 A1Published application
Intestinal sleeve
AssigneeGI Dynamics, Inc.
InventorsJohn C. Meade, Andy H. Levine, David A. Melanson, John F. Cvinar
Life of this patent
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Abstract
A gastrointestinal implant device is anchored in the duodenum and extends beyond the ligament of Treitz. All food exiting the stomach is funneled through the device. The gastrointestinal device includes an anchor for attaching the device to the duodenum and an unsupported flexible sleeve. The anchor can include a stent and/or a wave anchor and is collapsible for catheter-based delivery and removal.
Claims28
A gastrointestinal implant device comprising:
- an unsupported flexible sleeve, open at both ends, and adapted to extend into the duodenum to limit absorption of nutrients in the duodenum;
- and
- an anchor coupled to a proximal portion of the sleeve and adapted to be retained within the duodenum, the anchor having a relaxed diameter of at least about 40 millimeters.
Dependencies are inferred from the claim text.