Instructions For Use – neXus Ultrasonic Surgical Aspirator
Doc #: 100-10-1000 rev A p 31
6.6
Priming Irrigation Tubing
Proper irrigation with sterile saline ensures cooling of handpiece and vibrating elements, cooling and lavage of the
surgical site, and lubrication of bone/tip interface for hard tissue removal. The active ultrasonic probe remains cold
when not in contact with tissue. However, when a tip contacts tissue heat is generated. The heat increases with applied
tip pressure or amplitude. Irrigation needs to be applied at the tip/tissue interface to mitigate this temperature rise.
Most ultrasonic tips feature an integrated irrigation channel. The irrigation is expelled through a jet nozzle at the tip.
Active tip surfaces are being cooled directly.
Figure 6.6.1 Priming Screen Figure 6.6.2 Pause Priming Screen
CAUTION Prime the irrigation tubing prior to use. At all times ensure that the irrigation flows towards the
handpiece when footswitch is depressed. If irrigation is not flowing, cease use until flow is restored.
Initiates priming cycle.
When the cycle is complete
the Main screen
automatically appears.
Pauses the priming cycle.
Pressing it again resumes
the priming cycle.
Caution: Irrigation tubing
needs to be primed prior to
use. Not doing so can
damage the probe/tip
Figure 6.6.3 Priming Button Definitions
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