During closing argument in Lisa Swift’s medical-malpractice case against Dr. David J. Schleicher for allegedly punching three through-and-through holes in her small bowel during a laparoscopic hysterectomy and not detecting the problem until she came down with sepsis four days after the surgery, his attorney relied on “personal practice testimony” to vigorously attack her expert’s opinions.Schleicher used three sealed tubes, called trocars, to insert a camera and surgical instruments in her abdomen …