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13.3 Middle Line
Middle Line helps to locate and observe the focus point of lithotripsy wave during
lithotripsy treatment. By means of providing information for the lithotripsy machine as well
as a tool for watching the procedure of lithotripsy in real-time, you can adjust the
intension and frequency of the lithotripsy wave through lithotripsy machine.
NOTE: This function in the ultrasound system is for lesion (stone) location and
observation only. For details, please refer to lithotripsy machine accompanying
manuals.
To enter the mode: press [Menu] or tap [Middle Line] in the biopsy tab to enter the
middle line function.
The middle line is a vertical dotted line located in the middle of the screen, the
position and direction of which cannot be changed.
There is a mark icon of "×" located on the middle line which can be moved up
and down along the line by rolling the track ball.
To use the Middle Line function of the ultrasound system:
a) Use the trackball to change the mark position and by adjusting lithotripsy
machine tools or patient posture to locate the stone center at the mark.
b) Read the depth of the mark by observing the depth caliper on the right of the
image.
c) After the stone is located, refer to lithotripsy machine manuals to perform the
lithotripsy.
The depth of the mark is displayed in the image parameter area of the screen.
Probes and Biopsy 13-29
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