About the size of a pacemaker, doctors put the device inside your chest through minor surgery. With a small remote, you turn it on before you go to sleep and off in the morning. It monitors your breathing patterns and sends signals to the nerves that control your tongue and other muscles. They move forward, and keep your airway open.
The device is an option for people who’ve tried CPAP without any success or don’t use it properly. And a few studies suggest it works about as well as the mask-machine combo. But ask your doctor if it’s a good choice for you.