Where can I get a "belt" like this?

Where can I get an enema tip that has a belt / strap like the one in this video?

http://www.youtube.com/watch?v=MfBjDGevFvU&has_verified=1&oref=http%3A

I never saw a such belt in a colon cleansing kit .

Here is a link from a serious provider in germany http://www.medtech3000.de/darmspuelsystem-p-13.html