NEW YORK, NY--(Marketwire - October 31, 2009) - The Rosen Law Firm, P.A. announces that a class action lawsuit has been filed on behalf of all purchasers of Hansen Medical, Inc. ("Hansen") ( NASDAQ : HNSN ) securities between May 1, 2008 and October 18, 2009, inclusive (the "Class Period"). To join the Hansen class action, go to the website at http://www.rosenlegal.com[[[SHIFTIN ...

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