Dr. David Samadi uses surgical clips near the vas deferens during da Vinci robotic prostate surgery. Dr. Samadi recommends relying on visual feedback to prevent tearing of the delicate seminal vesicles during a robotic prostatectomy. After performing many surgeries, Dr. Samadi says surgeons can expect to gain a sense of tactile feedback from the da Vinci robot during surgery to remove the prostate.