Shunt apparatus for treating obesity by extracting food

摘要

To treat obesity, a tube is positioned so that it passes through a patient's abdominal wall into the upper digestive system of the patient. The patient is allowed to carry out his/her everyday affairs including ingesting food. After ingestion, food is extracted by pumping it out of the upper digestive system through the tube. The embodiments described herein take advantage of some properties of ePTFE to provide a number of significant advantages.