The device works by disrupting of the motility cycle or stimulating enteric nervous system.

There are a number of different devices on the market including Transend, Maestro, and Diamond.

[4] Once food leaves the stomach and enters the duodenum, the gut-brain-liver axis is activated, which involves signaling between the gastrointestinal tract and the nervous system.

Delayed signaling within the gut-brain-liver axis leads to high blood glucose concentration after meals.

The Diamond system first received CE mark in 2007 and is approved for sale in Europe, Australia, and Hong Kong.