MINNEAPOLIS--(BUSINESS WIRE)--The board of directors of Medtronic, Inc. (NYSE: MDT) today approved an eight percent increase in its cash dividend for fiscal year 2012, raising the quarterly amount to 24.25 cents per share of the company’s common stock for an annual amount of 97 cents per share. Medtronic’s dividend has more than doubled over the past five years, and today’s announcement marks the company’s 34th consecutive year of increased dividend payments.