7 3D/4D
Operator’s Manual 7 - 37
To ensure the accuracy of the result, please make sure that the traced contour has entirely enclosed
the target and is approximate to the target before using the Smart ICV function.
Perform the following procedure:
1. Acquire necessary 3D/4D data.
2. Tap [Smart ICV] to enter Smart ICV interface, and the system measures the volume of fetal
cerebral automatically.
3. If necessary, calculate the volume of the shell.
Tap [Shell] on the touch screen to select the shell type, select [Thickness] and rotate [Angle] to
set the thickness.
4. If necessary, modify the contour of the calculated area and recalculate its volume.
a. Tap [Edit] to enable the editing function.
b. Use [Trace Mode] to select the desired trace mode. Trace the contour on slices. The trace
should not cross the reference line.
– Tap [Win Format] to select the display format of slices.
– Tap [Next Slice]/[Previous Slice] to go to the next or previous slice.
– Tap [Undo], [Redo] or [Undo All] to undo, redo or cancel previous editing.
c. Tap [Update Vol] to calculate the volume based on the new contour.
If necessary, tap [Undo], [Redo] or [Undo All] to undo, redo or cancel previous
measurement.
5. Tap [Accept Result], and the measurement results are saved in the report.
7.15.3 Other Operations
Parameter adjusting
•Brightness
Adjusting the brightness of the images.
•Thickness
The bigger the value is, the more the thickness information appears.
•3D iClear
The bigger the value of iClear is, the less the noise becomes.
Reset
• All planes
Acquire 3D data. Tap [S-Planes CNS] to enter the automatic detection of the mode. Reset the
following operations:
– Tap [All Planes] to reset the planes. The position and the angle of TCP, TTP, TVP, MSP
and reference line return to the initial condition.
– Tap [All Planes] to reset the planes. The position to TCP, TTP, TVP, MSP and reference
line returns to the last MSP condition. The angle to CP, TTP, TVP, MSP and reference line
returns to 0°.
• Current plane
Acquire 3D data. Tap [S-Planes CNS] to enter the automatic detection of the mode. Reset the
following operations:
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