Tiny magnetic implant offers new drug delivery method

Science Daily ---- University of British Columbia researchers have developed a magnetic drug implant -- the first of its kind in Canada -- that could offer an alternative for patients struggling with numerous pills or intravenous injections.

The device, a silicone sponge with magnetic carbonyl iron particles wrapped in a round polymer layer, measures just six millimetres in diamater. The drug is injected into the device and then surgically implanted in the area being treated. Passing a magnet over the patient's skin activates the device by deforming the sponge and triggering the release of the drug into surrounding tissue through a tiny opening.

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