SUNNYVALE, Calif., Oct. 28, 2011 (GLOBE NEWSWIRE) -- Intuitive Surgical, Inc. (Nasdaq:ISRG), the industry leader in surgical robotics, today announced that its board of directors has authorized the Company to repurchase an additional $500 million of the Company’s outstanding common stock. With this authorization, the total amount available for share repurchases by the Company is $568.2 million, which includes $68.2 million remaining from the previous authorization in February 2011.