User's Manual

Acclarix LX9 Series Diagnostic Ultrasound System User Manual Measurements and Reports
- 133 -
4. Press <Set> key and the default angle α and roof line comes out.
5. Move the trackball to place the roof line and rotate the Angle knob to adjust the angle α.
6. Press <Set> key and the default angle β and inclination line comes out.
7. Move the trackball to place the inclination line and rotate the Angle knob to adjust the angle β.
8. Press <Set> key to complete the measurement.
9. Evaluate the type of hip joint through Graf method.
Hip Joint d/D Ratio Measurement:
Hip Joint d/D Ratio measurement is intended to measure the percentage of the femoral head
coverage under the iliac bone roof.
To use Hip Joint d/D Ratio measurement:
1. Invoke the B-mode application measurement function.
2. Select HIP->HIP d/D on the touch screen and then select Left or Right on touch screen. A
horizontal straight line will be displayed on the image field.
3. Use the trackball to move this horizontal straight line to place the baseline along the iliac bone.
Rotate the Angle knob on the console to adjust the angle of baseline if necessary.
4. Press <Set> key, and a second line displays below the baseline. Move the second line to make it
be tangent to the femoral head, and the "d" distance comes out.
5. Press <Set> key, and a third line displays above the baseline. Move the third line to make it be
tangent to the femoral head, and the "D" distance and "d/D" ratio come out.