It's still to be decided whether the turbine will be a success, but the patent granted in yesterday's announcement gives a lot of insight into what's involved with the product.
The R&D to date (almost a decade) would indicate that it's more than just a bit of plastic as some posters would have us believe.
Yes, there are other forms of nasal products & dilators but the following link will give a very thorough insight into what is actually being patented in Europe & throughout the world.
Application - EP 1549379
http://www.google.com/patents/EP1549379A1
CGP Price at posting:
3.8¢ Sentiment: Hold Disclosure: Held