| abstract |
A method for visually assisting a user in fixing an implant by means of a locking element in or on a bone, wherein the position of a guide device for guiding the locking element with respect to the implant is determined by a target device and wherein the implant by rotation of the target device rotatable and / or positionable wherein the guide device has at least one X-ray marker, comprising the steps: Receiving at least one X-ray image, the image area comprising the target area of the locking element and the X-ray marker, with an X-ray machine, Determination of the orientation and position of a projection straight line which forms a projection of a longitudinal axis of the guide device into the image plane, from at least the position and / or shape of the image of the x-ray marker in the x-ray image by a computing device, - Calculation of a superimposed representation of the X-ray image with a the orientation and position of the projection line indicating graphical element by the computing device, and - Output of the superimposed representation on a display device. |