MIT Student Invention Deployed in Haiti to Save Lives

Hand-powered negative-pressure pump is designed to speed wound healing While many MIT students busily build break-dancing robots or websites that let your pets network better at doggie daycare, PhD candidate Danielle Zurovcik has designed a $3 pump to drastically speed up the healing of countless patients in the aftermath of Haiti's recent earthquake. The device simplifies and lightens a common piece of medical equipment called a negative-pressure pump. Used to accelerate wound healing and reduce the frequency that bandages need to be changed, even the most portable of these pumps costs $100 a day to rent, and weighs 10 pounds with batteries. The pump Zurovcik invented costs $3 total, weighs less than half a pound, uses only 14 microwatts of power, and can be charged with a hand pump. The pump works by sucking bacteria and rancid fluids out of a wound, and by encouraging healing blood flow. Inspired by a...

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