Surgical guide with tapered holes

摘要: A drill guide uses a hole in layer to along an axial trajectory while permitting off-axis excursions of the during use. number such guides at varying heights from target surface may be used sequentially or concurrently enforce three dimensions surgical operation. include that establishes single point trajectory, multiple layers device establish two more points allowing insertion into guide. The cuttable accommodate intraoperative changes trajectory. In embodiments, window like provided permit surgeon view depth, orientation, site and procedure.