We have been asked by Anam Malik of the National Institute for Health Research for some patient feedback on whether it would be a good thing if a device called a Reza Band were available
From a quick look, it seems as if it is a collar with a blob on it that can exert some gentle pressure at night on your upper oesophageal sphincter to try and stop reflux getting into your throat / lungs. So it is not medication and not an internal medical device. It might feasibly help, depending on the surgery you have had, against aspiration, but it would not help reflux getting into your oesophagus in the first place.
If you would feel able to help NIHR and give an opinion, with details of your own situation, please email direct to Anam Malik <A.Malik@bham.ac.uk>