The holding device of the endoscope allows suspension of the tissue while it is held and fixed securely. Use of holding device with large distal ends will not damage tissue and allows holding and suspension of a large area. A needle pierces at least the proper muscularis, thereby forming a large protrusion...http://www.google.com/patents/US7318802?utm_source=gb-gplus-sharePatent US7318802 - Endoscope and endoscopic suturing instrument for treatment of gastroesophageal reflux disease
