My Mom’s been trying to get that done for years, but we live in 'Merica. Her insurance considered it cosmetic, even though it has a health impact, like you said.
I was surprised they gave her the bellyband, and that’s actually really helped. She’s never had a terrible diet, but she was pushing 300lb +. I’m a foot taller than her, and I weigh 145lb for reference.
She now weighs 165lb, I believe; It’s a sensitive topic. She still has to cover herself in baby powder and wears compression EVERYTHING (pants, sleeves, etc…) to hide her folds. God damn the American Healthcare system.