Patent ID: 8123768

Claim:
A system for restricting a cross-sectional area of a cavity formed by a stomach wall, said system comprising: a delivery sheath; a catheter within said delivery sheath, said catheter comprising a passage extending therethrough; a first member initially positioned within said passage and movable with respect to said catheter along a length of said passage; a first fastener extending from a proximal end of said first member, said first fastener movable between a retracted configuration and a deployed configuration, in the deployed configuration said first fastener attachable to a first portion of the stomach wall; a second member initially positioned within said passage and movable with respect to said catheter along a length of said passage; and a second fastener extending from a proximal end of said second member, said second fastener movable independent of said first fastener between a retracted configuration and a deployed configuration, in the deployed configuration said second fastener attachable to a second portion of the stomach wall, wherein said catheter comprises a plurality of grooves extending partially inward from an outer surface of said catheter without providing communication with said passage, said plurality of grooves retaining distal ends of said first and second fasteners on said outer surface of said catheter when said fasteners are in the retracted configuration and said catheter is within said delivery sheath, said catheter twistable to release said distal ends from said grooves to urge said fastener to the deployed configuration when said catheter is beyond said delivery sheath.