1. Migration Measurement using the EBRA-CUP Software Peter Mayrhofer, February 2006 Start the program and click OK or just wait some seconds. Open an image file of supported type jpg, gif, or, bmp. Other graphics file formats have to be converted before.

2. type in if known Fill in the Patient‘s Data form.

3. Use zoom tools to get the desired views for input of head/cup or pelvic landmarks.

4. Use image tools to enhance the contours.

5. top line foramen line at the side of the implant symphysis line right line left line medial line base line double tangent movable and stretchable by touching its endpoints Pelvic reference lines Start with base line!

6. Zoom again for input of head and/or cup.

7. Repeat input if curves do not fit exactly. Please note: In case of head based type of evaluation the Head option must be used. The Cup-/Rim- options may be used additionally. In case of cup based type of evaluation the Cup option must be used. The Head-/Rim- options may be used additionally. If evaluation is headbased, the headsize must be known! If evaluation is cupbased, the cupsize must be known!

8. Use the new Window option from the File Menu and Window Tiling at the Windows-Taskbar for comparison of the current image with older X-rays.

9. Finally save your results to the datafile *.dat

10. You will be prompted for missing input data: You forgot the x-ray date! You did not calibrate the image!

11. Digital radiograph retrieved from PACS-System. Use scale and known distance for calibration!

12. Recommended Data Structure for Saving of Results: Drive Study 1 Study 2 Patient 1 Patient 2 Please note: The drive must be writeable! ………..Name of image = x-ray date is useful. x-ray-date1.jpg, x-ray-date1.bin x-ray-date2.jpg, x-ray-date2.bin x-ray-date3.jpg, x-ray-date3.bin …….... Patient1.dat x-ray-date1.jpg, x-ray-date1.bin x-ray-date2.jpg, x-ray-date2.bin …….... Patient2.dat