Designed for medical professionals, the $25,000 Vein Viewer by Luminetx “calls upon near-infrared, a digital video camera, and an image processor to locate veins immediately, without the pain (or puncture wounds) left by trial and error.” Video demonstration after the jump.
It’s also safe. The near-IR light isn’t intense enough to warm the body or cause tissue damage, and patients can rest easy knowing there’s no danger of cross-contamination