Can't wait for general distribution and use..
I have been stuck so many times,, my arms are shot. Nurses gave up at least 10 yrs ago. Now it's exclusively the backs of my hands, with a 24ga wing. I'm lucky there is still good flow, so they can use small vacuum tubes and also slow IV's.
There appears to be sever products that use vein illumination
https://www.youtube.com/watch?v=_OitXUME8Ak
https://www.youtube.com/watch?v=gR1Zve3tRpw
https://www.youtube.com/watch?v=HfussHki5QY
Long over due.