MediSono P25 EXP, Руководство пользователя

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8 Contrast Imaging
120 Basic User Manual
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1 Gain
Contrast imaging gain determines the amplifying factors for the received echoes and the
brightness of the ultrasound image. The echoes are amplified with the same gain value
regardless of depth.
To adjust the gain:
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Rotate the CFM knob to adjust the gain of contrast image.
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Rotate the B knob to adjust the gain of THI image.
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2 Flash Power
Flash power allows you to select the maximum transmit power level produced by the
transducer in the contrast imaging.
To adjust the flash power:
Tap the left or right part of Flash Power to make the setting.
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3 Flash Time
Flash time allows you to set the transmit duration of high-voltage pulse.
To adjust the time:
Tap the left or right part of Flash Time to make the setting.
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3 Acquiring Contrast Images
Perform the following steps to acquire contrast images.
1. Inject contrast agents, and tap Timer1 or Timer2 on the touch screen to start timing.
Once the timer is started, Timer displays on the screen and the system starts timing
for contrast agent duration.
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Press the Save (
Press the Save
key on the control panel to set the start frame for cine review.
) key again to set the end frame of cine. The corresponding
thumbnails for the stored cine appears in the clipboard.
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Press the Freeze key on the control panel to freeze the image. Freezing time is
displayed on the screen, and the timer continues timing. Press the Freeze key again
to return to the real-time mode.
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Tap Timer1 or Timer2 again to exit.
2. Observe and record circulation and perfusion of the target tissue.
If the second perfusion is needed, tap Flash on the touch screen to enter the flash
contrast imaging and destruct microbubbles. Tap Flash repeatedly to destruct the
residual microbubbles. After the destruction, inject contrast agents and observe the
perfusion of the target tissue.