12-38 Probes and Biopsy
12.3 Middle Line
“Middle Line” helps to locate the focus point of lithotrity wave during lithotrity treatment. By
watching the procedure of lithotrity in real-time and adjusting the intension and frequency of
the lithotrity wave, the harm to the patients can be reduced to the least.
To enter lithotrity mode: in B mode, click [Middle Line] in the image menu at the left side of
the screen to turn on the lithotrity.
In middle line mode:
The middle line is a vertical straight line located in the middle of the screen, the
position and direction of which cannot be changed.
The middle line mark is a “×” mark located on the middle line, which can be moved
up and down along the middle line by rolling the track ball.
The depth of the mark is displayed in the image parameter area at the right side of
the screen.
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