4 • Equipment Operation
WHITESTAR SIGNATURE™ System
Rx Only – Z370147 Rev. C 1008
4-10
Verify Irrigation/
Aspiration Balance
We strongly recommend verifying that Irrigation/Aspiration is balanced properly
for the settings to be used in surgery.
Figure 4.8 – Irrigation/Aspiration Balance Procedure
To verify Irrigation/Aspiration balance:
1. In PHACO 1 mode, hold the handpiece at approximate patient eye level.
2. Occlude the aspiration line just below the handpiece, while you press and hold
the footpedal in position 2. Make sure the footpedal is connected. (Refer to
Chapter 3, System Setup,
Footpedal
.)
3. The actual vacuum level should rise to the preset level.
4. Release the aspiration line and watch the test chamber to make sure that the test
chamber does not collapse. A slight shallowing of the test chamber is normal.
5. If the test chamber collapses, raise the IV bottle height or lower the vacuum
setting.
6. Pinch the irrigation tubing at the handpiece and watch for the test chamber to
collapse.
7. Release the irrigation line and the test chamber should fill.
8. Press
Reset
in the upper left corner of the screen to open the Reset Timers
pop-up window. Press
Yes
to rest the timers. You are now ready to begin
surgery.
