Gastrojejunal tube with enlarged jejunal lumen

摘要

A gastrojejunal feeding tube (GJ tube) which can be inserted from a stoma formed in the stomach, passed through the pyloric sphincter and duodenum, and over the Tritz ligament and into the jejunum, and upwards There is a need for a GJ tube that remains in place for a long time without moving back to the stomach. The present invention provides a gastrojejunal tube that includes a gastric lumen and a jejunal lumen that extends the entire length of the tube. The cross-sectional sizes of the gastric lumen and the jejunum lumen vary from the upstream side to the downstream side of the stomach port provided at the most distal end. The present invention also provides a method for producing a gastrojejunal tube. [Selection] Figure 1