9  eSieFusion Imaging 
Instructions for Use  9 - 23 
Align the ultrasound image and 
the reference data using 
corresponding points 
1.  Activate the point function. 
●  Select Point. 
○  For systems without a touch screen, press PRIORITY to select Point. 
The system displays the reference data and ultrasound image in a side-by-side 
format. When you position the pointer on the reference data, the system 
displays a bull's-eye (target) marker at the corresponding position on the 
ultrasound image. 
 
Bull's-eye marker. 
2.  Click a location on the ultrasound image. 
The system displays an aqua marker on the ultrasound image, calculates the 
optimal alignment of the two points, and updates the Navigator with a 
corresponding entry. 
Note: The entry markers in the Navigator for pairs of corresponding points are 
always green.  
3.  Click a location on the reference data. 
The system displays a green marker on the reference data. When you position 
the pointer on the ultrasound image, the system displays a bull's-eye marker at 
the corresponding position on the reference data. 
4.  Repeat steps 2 and 3 to position additional pairs of corresponding points on the 
reference data and the ultrasound image. 
The system recalculates the optimal alignment of all corresponding pairs each 
time you position a pair of corresponding points. 
Note: The system removes corresponding points from the image and the 
Navigator when you exit point alignment. 
5.  Select Reset Alignment. 
6.  To recalculate the optimal alignment, press UPDATE. 
7.  To save the current alignment, select Save Alignment. 
The system updates the Navigator with an entry for the saved alignment. 
Cancel the most recent 
adjustment made to the 
alignment 
  Select Undo. 
You can cancel all adjustments performed in reverse sequence.  
Display a previously saved 
alignment 
  Select the required alignment in the Navigator and then click Show. 
The system restores the positions of the reference data and ultrasound image 
when the selected alignment was saved.