Intuitive Surgical (NASDAQ: ISRG) shares were trading more than 12% lower after-hours Thursday following the company’s reported Q2 results, with EPS of $1.14 coming in worse than the consensus estimate of $1.20. Revenue grew 4% year-over-year to $1.52 billion, missing the consensus estimate of $1.56 billion.

Worldwide da Vinci procedures grew approximately 14% year-over-year. The company placed 279 da Vinci Surgical Systems in Q2, representing a 15% year-over-year decrease. The company grew its da Vinci Surgical System installed base to 7,135 systems, which represents a 13% year-over-year increase.

By Davit Kirakosyan