6 - 62 Operator’s Manual
6 Image Acquisition
6.15.8 Freehand 3D
The effect of freehand 3D image acquisition is dependent on the technique of the operator. Thus,
there is a risk of low registration accuracy.
Perform the following procedure:
1. Select a proper probe and correct exam. Enter real-time B/Contrast mode (non-cardiac
Contrast Imaging mode).
2. Get magnetic devices prepared. Connect the magnetic devices. Power on the magnetic
navigator, and check if the indicator becomes green.
3. Tap [Freehand 3D] on B-mode/Fusion-mode/Contrast-mode tab of the touchscreen.
Entering freehand 3D mode under fusion imaging mode is preferred.
4. Capture images using linear scan or rocked scan.
– Linear scanning
Move the probe across the surface slowly at a constant speed.
– Rocked scanning
Rotate the probe once from the left to the right side (or from the right to the left) slowly at
a constant speed to include the entire desired region.
5. After the acquisition is completed, the freehand 3D cine is automatically saved.
If the freehand 3D cine is captured under fusion imaging mode, the system automatically
registers the ultrasound image with the freehand volume data after the acquisition is
completed. Do not move the magnetic generator and the patient for any circumstances after the
freehand 3D cine is captured. Otherwise, the registration display for freehand image and the
ultrasound image is affected.
6.15.9 Parameter Settings
The parameters of the Fusion Imaging are described below:
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