A smart wound patch developed at Haifa’s Rambam Medical Center and Israel’s Noyad Biomed at Kibbutz Lavi, protects those suffering wounds that have lost blood. The patch (called Rescue Heat) warms up to 42 degrees centigrade, to protect the patient from hypothermia.

https://www.jpost.com/health-and-wellness/article-776340

https://www.noyad.co.il/