Endoscopic gastric bypass

US7837645B2 · kind B2 · utility

Assignee

• The Trustees of Columbia University in the City of New York · US

Inventors

• Marc Bessler · Teaneck, US
• John D. Allendorf · Sleepy Hollow, US

Key dates

• Filing date: Mar 5, 2007
• Grant date: Nov 23, 2010
• Expiry date: May 10, 2029

Classification

• Technology area (CPC A): Human Necessities
• CPC primary: A61F2002/044
• WIPO field: Medical technology
• WIPO sector: Instruments

Abstract

An endoscopic device separates ingested food from gastric fluids or gastric fluids and digestive enzymes, to treat obesity. In a particular embodiment a gastric bypass stent comprises a tubular member and two or more stent members defining a lumen. The tubular member has a substantially liquid impervious coating or covering and one or more lateral openings to permit one-way liquid flow.