Intuitive Surgical (NASDAQ:ISRG) reported quarterly earnings of $1.60 per share which beat the analyst consensus estimate of $1.48 by 8.11 percent. This is a 30.08 percent increase over earnings of $1.23 per share from the same period last year. The company reported quarterly sales of $1.93 billion which beat the analyst consensus estimate of $1.87 billion by 3.12 percent. This is a 16.51 percent increase over sales of $1.66 billion the same period last year.