Remember that pump that sucks food out of you? It already exists in Europe.
Here's a diagram of the food pump that's currently being developed in the U.S.
Source: aspirebariatrics.com
But according to Ars Technica, a variation of the food pump system that's in development in the U.S. is already offered in Europe by a company called Aspire Bariatrics:
Source: aspirebariatrics.com