A drill setting guide for drilling holes in bones

The subject of the present invention is a drill setting guide used for drilling holes in bones with a guide whose body consists of two round-sectioned parts as shown in a front half section. Body (1) has tapped holes into which drill guide bushes (2) with lock nuts (6) placed above body (1) have been screwed. Further on, drill guide bushes (2) are provided with blades (5). Body (1) consists of two parts slideably interconnected to each other by means of guides (10) and coaxially applied knurled nut (11) with a scale engraved thereon. At the ends of body (1) there is lock (12) for securing component (13) that ex­tends body (1)