A new drug injector called "Comfortably Numb" is a cooling device that numbs the skin prior to getting a shot. A team of three engineering students from Rice University, Houston, United States, created the device to ease the pain of an injection. Comfortably Numb works like an ice pack, which produces a rapid chemical reaction that cools and numbs patients' skin in seconds. The device consists of a small 3D-printed cylinder with a metal ...
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Saturday, April 18, 2015
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