After doing a bit of rummaging around on the interweb for the best meters available, I found this article outlining the work of some genius in MIT who has just started a trial (September 2010) on this (Sorry if this is a repost or rehash of a previous discussion!)
LADAR - Laser chemical detection systems have been available for many years now so this may not be so far fetched as it may seem. The problem will be size but as most will know there are already oxygen monitoring systems for hospitals that fit on a patients finger
LADAR - Laser chemical detection systems have been available for many years now so this may not be so far fetched as it may seem. The problem will be size but as most will know there are already oxygen monitoring systems for hospitals that fit on a patients finger
You can buy small portable finger-clip PulseOx battery operated monitors from many suppliers now .. I have one.
I occasionally suffer breathing problems and this lets me know if I am absorbing enough O2 or maybe heading for trouble and A&E.