Addressing the serious health risks associated with open wounds has long been a perplexing issue, especially in developing areas of the world. A $3, hand-powered device could quickly change that.

Addressing the serious health risks associated with open wounds has long been a perplexing issue, especially in developing areas of the world. Negative pressure (suction), has proven to be a reliable method of speeding up the healing process, as it is believed that this pressure draws bacteria out and initiates blood and air circulation to each ailment.

While most suction-based system cost around $100/day to operate and need constant recharging, Danielle Zurovcik, a doctoral student at MIT, has created a simple, hand-powered prototype that costs approximately $3 to produce.

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