Samsung SONOVET R5 Manual de usuario Pagina 130

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5-12
Operation Manual
4. If you specify both end points, the length of the curve will be automatically calculated.
5. When the measurement is nished, its result is shown on the screen.
2D Hip Joint
This is a basic measurement that is available in all diagnosis modes. You can measure the angle of two
straight lines to a straight line in a 2D image. This measurement is commonly used in the obstetrics appli-
cation.
1. Use the Softmenu switch [4] 2D Hip Joint. “2D Hip Joint is displayed on the left side of the screen.
2. Use the trackball and the Set button on the control panel to specify the rst straight line.
X
Place the cursor at a desired position with the trackball, and press the Set button.
3. Repeat the above process to specify two other straight lines.
4. The angle between them will be calculated automatically.
X
α: The angle between the rst and second straight lines.
X
β: The angle between the rst and third straight lines.
5. When the measurement is nished, its result is shown on the screen. The angles α and β, and the
Hip Joint Type are displayed on the screen.
Please refer to the table below for Hip Joint Type information:
Type α β
1a 60 ≤ α
90
0
β
55
1b 60 ≤ α
90
55 ≤ β
90
2a/b 50 ≤ α
60
0
β
90
2c 43 ≤ α
50
77 ≤ β
90
d 43 ≤ α
50
0
β
77
3/4 0
α
43
[Table 5.2 Hip Joint Type Table]
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