– The PHACO TIP that vibrates longitudinally and therefore
facilitates the fragmentation of the tissue in a
circumscribed area about the contact surface between
the tip and the cataract. The maximum number of re-
uses of the tips are described in the Instructions for Use
enclosed with the tips.
The internal energy loss processes of the ceramic
piezoelectric element cause the transducer piezo to
overheat when vibrating at high frequencies, the fluid
drawn in by the eye is also used to dissipate the heat
produced.
R-EVO SMART systems features the patented Minimal Stress
system, which facilitates the measurement of the
movement (stroke) of the tip in real time. This information
is used by the microprocessor to stabilize the stroke of the
tip.
The main advantages of this system are the following:
– The preset power U/S indicates the effective stroke of
the tip and corresponds to the amplitude in microns of
the oscillating movement of the tip.
– Different phaco handpieces are equalized and
compensated for the typical loss of efficiency due to
the effects of time.
– The tip vibration is no longer influenced by differences
in the hardness of the cataract or by the fluctuations in
the temperature of the handpiece.
– The average energy required and peak energy are
lower than in the standard phacoemulsification.
– Reduction of bouncing of cataract fragments.
– The phaco handpieces can be tested by the device to
verify efficiency, thus avoiding device operations
below acceptable limits.
The power of the ultrasound can be generated in
Continuous or Pulse mode.
– In Continuous Mode, the phaco energy is supplied to the
handpiece continuously and without interruption if the
foot switch is pressed past the point of mechanical
feedback 2 (zone C, see description "System Pedal").
- In Pulse Mode, the power is output as pulses at preset
intervals, if the footswitch is located in zone C after
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