WILLMAR—When Dr. Thomas Lange removes a patient’s gall bladder or Dr. Jennifer Lee-Pentz performs a simple hysterectomy, their snips and sutures are careful, dexterous and precise. Except they’re not standing directly over the patient. They’re a few feet away, using robotic technology to perform the surgery. Rice Memorial Hospital introduced robotic-assisted surgery last summer for a handful of selected procedures. As local use of the technology slowly grows, hospital officials hope it will