US 2013/0158471 A1 · Dual Cannula System for Enteric Feeding

Abstract

A dual cannula apparatus is provided for insertion into the gastrointestinal tract. One end of a first outer cannula is placed within the small intestine providing a guide for advancement of a second inner cannula. The second inner cannula extends beyond the first outer cannula and provides a source of nutritional support and pharmacological therapy. The first outer cannula has a radiopaque tip to facilitate placement thereof under x-ray or fluoroscopic guidance. The first outer cannula can also be provided with a flared end for maintenance with the naris. The second inner cannula includes one or more openings for flow of the nutritional support or pharmacological therapy into the small intestine.

Claims33

Dependent claims

A dual sheath system for placement within a conduit of a body comprising:

a first outer sheath having a proximal end and a distal end, an outer diameter and an inner diameter, and an outer wall and an inner wall;
a second inner sheath having a length that is longer than said first outer sheath, a proximal end and a distal end, one or more ports located proximate the distal end of said second inner sheath, and an outer diameter that is less than the inner diameter of the of said first outer sheath;
wherein said second inner sheath is independently moveable in a coaxial relationship with and within said first outer sheath such that said one or more ports extend distally of said distal end of said first outer sheath, and said proximal end of second inner sheath extends proximally of said proximal end of said first outer sheath.

Dependencies are inferred from the claim text.

Dual Cannula System for Enteric Feeding

Life of this patent

Dual Cannula System for Enteric Feeding

Life of this patent

Abstract

Claims33