Minimally-invasive methods for implanting obesity treatment devices

A stitching instrument comprising: an elongate shaft; a working end platform formed on a distal end portion of said shaft; a handle mounted on a proximal end portion of said shaft; one or more stitching needles rotatably mounted relative to said platform and rotatable from a concealed position in which a tip of said stitching needles is concealed within said platform to an exit position where said tip is inserted into a suture anchor releasably attached to said platform, and counter-rotatable from said position where said tip is inserted into said suture anchor to said position in which said tip is concealed within said platform; and one or more stabilizing pins movably mounted to said platform, said pins being actuatable from a recessed position in which a tip of said pin is concealed within said platform to a stabilizing position wherein said tip extends out of said platform.