Patent ID: 7892214
Filing Date: 2011-02-22
Classification: A61B,A61F

Abstract:
1. An attachment system for attaching a device to the mucosal side of a wall of the gastrointestinal tract, the wall comprising a muscularis layer and a serosal layer, the system comprising: a gastrointestinal attachment cuff having a tubular body, a proximal end and a distal end; at least one tissue anchor for transmural attachment of the cuff to the mucosal side, the anchor comprising a tension element having a proximal end and a distal end for extending through the wall and at least one transverse retention surface configured for positioning in contact with serosal tissue, wherein the retention surface is attached near the distal end of the tension element, wherein the retention surface is transformable from a first, transversely reduced profile to a second, transversely enlarged profile; a gastric bypass tube for connection to the cuff, the bypass tube having a length of at least about 50 cm; and a first coupler on the attachment cuff configured for removably coupling to a second, complementary coupler on the gastric bypass tube.