Methods and devices for forming a tissue fold

摘要

A device for forming a tissue fold includes a recess and an opening at the end of the recess. Tissue is drawn into the recess and through the opening using a tissue engaging element. As the tissue is drawn through the opening, the tissue layers are compressed together. A fastener is used to secure the tissue fold.

主权项

1. A method of forming a fold of tissue in the stomach, comprising the steps of:
providing a device having a tissue engaging element and a mold, the mold having a recess and an opening leading to the recess, mold also having two lateral openings which communicate with the recess and with the opening, the two lateral openings being L-shaped and extending proximally; introducing the device down a patient's throat to the stomach; engaging stomach tissue with the tissue engaging element outside the recess; drawing the stomach tissue into the mold through the opening using the tissue engaging element, the stomach tissue forming a tissue fold as the stomach tissue enters the opening and the tissue engaging element enters the recess, the tissue fold being compressed as the tissue fold enters the tissue mold, the tissue fold being drawn proximally through the opening, the L-shaped lateral openings and into the tissue mold, the tissue fold being compressed together as the stomach tissue is drawn through the opening, the drawing step being carried out with lateral edges of the tissue fold extending out of the two lateral openings; fastening the tissue layers together to maintain the tissue fold.