Sorry for asking a silly question but?
Fobi Pouch is the RYN with a band at the stoma http://www.cstobesity.com/ Here is thier website, you might get a better picture of it here.
Kendal, the Fobi is probably the BEST form of RNY out there--but before you make your final decision, you really should take a good, long look at the DS (duodenal switch). Many medical professionals think the DS is *the* best choice for folks with a BMI greater than 50. Not only does it give the best long-term success rates, the post-op lifestyle it offers just CANNOT be beat!
But don't take my word for it---come over and visit the DS forum and talk with many pre- and post-op DSers. Read the profiles of folks like Diana Cox, Dina McBride, Melissa Mermaid, Patty L, and others. (Even *mine*, if you wanna!)
Best wishes on your journey!
Judith