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The Boston Globe

Business

Mass. Movers

Boston Scientific Corp.’s shares slip

Boston Scientific Corp. is based in Natick.

Globe File/2001

Boston Scientific Corp. is based in Natick.

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Shares of the medical device maker Boston Scientific Corp. declined Tuesday, a day after the company said it had agreed to buy Rhythmia Medical Inc., a Burlington developer of medical software. Boston Scientific will pay about $90 million upfront and make as much as $175 million in milestone payments over five years. Rhythmia develops mapping and navigation software for use in cardiac catheter ablations, a way to treat abnormal heart rhythms, and other electrophysi0logy procedures, including atrial fibrillation and atrial flutter.

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