Patent ID: 9265596
Filing Date: 2016-02-23
CPC Classification: A61F

Claim Text:
1. An implant comprising: a collapsible anchor configured to be deployed within a lumen of a gastrointestinal tract, the collapsible anchor having a relaxed diameter of at least 40 mm; and a protrusion having a first end connected to the collapsible anchor and a second end formed in a loop defining an opening for tissue ingrowth, the protrusion having a length of at least 5 mm, the protrusion including an extension that connects the loop to the collapsible anchor, the protrusion expanding from a collapsed state, in which the extension having the loop is collapsed alongside the anchor, to a relaxed state, in which the protrusion extends outward from the anchor upon deployment within the gastrointestinal tract, the loop having a blunt edge to engage a wall of the lumen, and the protrusion configured to, upon deployment, cause the blunt edge of the loop to form a tent in the wall of the lumen, the tent, over time, stretching the wall of the lumen and the blunt edge eroding the wall of the lumen at a point of contact, fibrotic tissue forming about the loop to secure the loop with respect to the wall of the lumen.