I featured previously (twice) the Israeli-developed MyMDBand QR-coded wristband that provides paramedics with a patient’s vital medical data. Israeli Asaf Luxembourg, just won a WeWork Creator Award for it. United Hatzalah have distributed thousands of MyMDBands to the elderly.
http://www.jpost.com/Blogs/Israel-Rescues/That-Time-When-We-Do-Well-By-Doing-Good-510927