SURGICAL REFERENCING DEVICE, SURGICAL NAVIGATION SYSTEM AND METHOD

摘要

The invention relates to a surgical reference device comprising a marking device (32) with at least two or more surgical marking elements (34) which are designed to reflect and/or emit beams. Said marking elements (34) form a marking element arrangement (58) for defining a reference on the body of a patient. Said surgical reference device also comprises a securing device (42) for fastening the marking device (62) to the body of the patient. According to the invention, in order to provide a reference device of said type which is less invasive when securing the reference device to the body of a patient, the marking element arrangement (54) is not rigid and two or more marking elements (34) are arranged at different positions which respect to each other. The invention also relates to a surgical navigation system and to a method.