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What sets CoStar apart from conventional stents, implanted in an estimated three million Americans’ arteries annually, is its hundreds of tiny reservoirs. Each is packed with up to 20 layers of medicine that can prevent arteries from closing up in the months following angioplasty. Other stents pump out drugs in the first few days or weeks; the CoStar does it gradually and evenly over a period of months. Approved for use in Europe, it should be available in the U.S. in early 2008. conormed.com
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