Patent ID: 11857204
Assignee: SYNTHES GMBH
Field: Medical technology (Instruments)
Classification: CPC A | IPC A

Claim 46:
47. The method according to claim 46, wherein before the advancing step the following steps are performed:
positioning the drill bit secured in the engagement means relative to the longitudinal second member by using a calibration device so that the front end of the second member contacts a surface of the calibration device and the cutting tip of the drill bit abuts a stop protruding from the surface of the calibration device;
storing the relative position as start point for the measurement of the position of the cutting tip of the drill bit relative to a surface of a bone or of an implant in the drilling direction with respect to time; and
positioning the surgical power drill relative to an implant so that the front end of the longitudinal second member abuts a surface of the implant.