Device or system for positioning or preparing the positioning of a medical operating instrument, especially an incision block or a cutting block or a ligament balancing device

摘要

The present invention relates to a positioning device for aligning or positioning at least one device or base (3a,3b) at at least one bone (4,5) comprising a positioning tool (1) and a positioning element (2) having at least one base holding part (2a-2d), to which al least one device or base (3a,3b) can detachably be attached. This device can be used in a method for aligning or positioning at least one base (3a,3b) at a structure or bone (4,5) comprising the following steps: inserting a positioning tool (1) with attached bases (3a,3b) into a joint to thereby provide an initial orientation of the tool (1) with respect to the joint and/or the structure or bones (4,5); attaching the bases to the bone; removing the positioning tool (1).