Patent ID: 8876762

Claim:
A nasogastric or orogastric feeding device adapted to prevent or significantly reduce gastro-esophageal reflux from an alimentary tract to a respiratory system without damaging epithelial esophagus tissues, said nasogastric or orogastric feeding device comprising an elongated flexible hollow element having: a) a distal section comprising at least one feeding aperture; b) a middle section comprising at least three expandable means localized around said elongated flexible hollow element and separated by a distance of about 0 to 10 mm; and c) a proximal section comprising, a food connector, at least one fluid connector for each of said at least three expandable means, and, optionally, a positioning marker; wherein each of said at least one fluid connector is in fluid connection with one of said expandable means via an individual fluid conveying channel, and wherein said food connector is in fluid connection with said at least one feeding aperture via a food conveying channel; said nasogastric or orogastric feeding device being characterized in that a synchronized deflation/inflation of said at least three expendable means simulate peristaltic waves to push gastrointestinal fluids back to a stomach while allowing a passage of oropharynx fluids towards the stomach.