Patent ID: 8016851

Claim:
A delivery system for introducing an obesity device into a gastric lumen, comprising: an overtube including a proximal end and a distal end; an inner member having a first distal end; an outer member including a second distal end, the outer member slidably disposed over the inner member, the outer member comprising a pushing mechanism disposed at the second distal end, the pushing mechanism moveable between an expanded configuration and an unexpanded configuration, wherein the pushing mechanism in the expanded configuration is adapted to push an incremental length of the obesity device into the gastric lumen; and an intragastric bag disposed over the outer member, the intragastric bag comprising a plurality of bundles formed by a plurality of retaining elements, wherein the pushing mechanism comprises a plurality of segments disposed about the second distal end of the outer member, the second distal end of the outer member being fixedly connected to the first distal end of the inner member, and wherein each of the plurality of segments in the expanded configuration span a lateral length greater than a diameter of each of the plurality of retaining elements.