| 摘要 |
The present invention includes an endoluminal sleeve having a stomach sleeve portion, an antral sleeve portion, and an intestine sleeve portion. The endoluminal sleeve includes a flexible core layer which is formed from a self-expanding material. The flexible core layer in the stomach sleeve portion can self expand to grip the stomach. The antral sleeve is located in the pyloric antrum and is connected to the stomach sleeve portion and the intestine sleeve portion. The intestine sleeve portion is connected to the antral sleeve through a junction. The junction contains non-self-expanding material allowing the pyloric sphincter to properly function. The intestine sleeve portion is located in the small intestines. The intestine sleeve portion can have fenestrations, roots, a nutrient delivery layer, a nutrient delivery cover, an outer shell with a plurality of holes, and/or a semi-porous skin for nutrient delivery to the small intestines.
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