This device is patented by SafeStitch Medical Devices. SafeStich offers the following description on there website about this device:
The Obesity Device is introduced through the mouth and esophagus and works by suctioning two sides of the stomach lining into position for suturing, impaling the mucosa or stomach lining, placing a row of sutures through the two sides of the stomach, as commonly done during gastric surgery, injecting adrenaline into the mucosa to elevate it for excision, excising the top layer of the entrapped stomach wall, releasing this tissue, removing the device and tightening the sutures. [link]
Here is a news article that provides additional discussion and links on the future of surgery using NOTES techniques and medical devices.
Posted By: Scott Klopfenstein