gfkak~That's it...the fact that your stoma is going flat is causing your leaks! You would benefit from convexity, to some degree, but I'd suggest a stoma revision. Permanent stomas are easier than temporary ones since they only have one hole (temporary are like a garden hose cut half way through and have a top and bottom hole).
Convexity is where the wafer has a 'cupping' to it. here is a link just to show it:
/www.edgepark.com/shopCatalog/ShowItemDetails.cfm?PSKU=6214642&cat1=&cat2=&cat3=&catid=&subcatid=they usually come in two different 'strengths' light and full convexity.
Talk to your doc about
a k-pouch, just know that fistula complications might rule it out, it never hurts to ask!
Yes, Lizzie does have a k-pouch, but she doesn't have a Crohn's dx, so it's a little different.