Surgical instrument for preparation of bone before insertion of implant, comprising joint area for adapter carrying connector piece of marking element

摘要

The slightly bow-shaped instrument (1) with a hitting plate (3) at one end and a cutting edge (4) with a guiding spike (5) at the opposite end can be temporarily connected with an adapter (8) to a marking element (23) transmitting information about the exact position to a navigation system. The adapter (8) is fitted with a handle (21) and can be attached to the side of the instrument (1) with a projection (10) inserted into one of several openings (7) provided at the shaft (2), which is safely held in a recess (9) at the adapter (8) and secured with a locking unit (12).