SUNNYVALE, Calif.--(BUSINESS WIRE)--Intuitive Surgical, Inc. (NASDAQ:ISRG), the leader in operative surgical robotics, will hold its quarterly conference call to discuss Fourth Quarter 2012 results Tuesday, January 22nd, at 4:30 p.m. Eastern Time. This call is being webcast by Thomson Reuters and can be accessed at Intuitive Surgical’s web site at www.intuitivesurgical.com.