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Hemodialysis machine (and TAH) designers please pay attention! |
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New Scientist: Engineer Chris Suprock and his team from Suprock Technologies in Exeter, New Hampshire, are using ferrofluid to develop an artificial heart with no mechanical parts or motors. The device takes a novel approach by simulating the way a real heart contracts to move fluid. An early prototype is made from an elastic membrane containing ferrofluid fixed to a frame. When an electromagnet underneath is activated, it attracts magnetic particles suspended in the fluid, causing the "skin" to stretch out. Combining a few of these devices could mimic the pumping action of a heart.
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