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User's Manual

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1 • Introduction
WHITESTAR SIGNATURE™ System Rx Only – Z370147 Rev. C 1108 1-3
WHITESTAR
®
Technology
The WHITESTAR
®
Technology represents the many enhancements to the power
modulation for the WHITESTAR SIGNATURE™ System. The WHITESTAR
®
Technology enhancement was the first to deliver finely modulated pulses of
energy, interrupted by extremely brief cooling periods. This allows the
WHITESTAR SIGNATURE™ System to achieve full ultrasound cutting
efficiency and magnetic followability, while introducing less energy into the eye.
Ultrasound time is minimized or eliminated to reduce the risk of thermal damage.
WHITESTAR
®
ICE Technology
The WHITESTAR
®
ICE Technology was the next micro-pulse advance in
phacoemulsification technology, which combined modulated ultrasonic power
(pulse shaping) with vacuum control through the application of the Chamber
Stabilization Environment (CASE).
This pulse shaping technology modified the standard “square” wave pulse, by
increasing the amplitude of the first millisecond of the On Time “kick”, and then
setting the remaining part of the On Time to the standard power setting. This is
repeated for each On Time period, resulting in increased control and efficiency in
phacoemulsification.
OCCLUSION MODE™ Phaco
The OCCLUSION MODE™ Phaco is used to regulate the vacuum rise time
experiences following occlusion of the phaco tip, without limiting the choice of
aspiration rate through an unoccluded needle. In order to independently control the
aspiration rate and vacuum rise time, you can have a different aspiration rate when
the needle is occluded than when the needle is not occluded.
The OCCLUSION MODE™ Phaco is also used to regulate ultrasound power
modulation. The power modulation of the phaco handpiece (continuous, pulse,
burst) can be programmed to automatically change when the phaco tip changes
from an unoccluded condition to an occluded condition.
The FUSION™ Mode allows the user to access the settings and variables for both
CASE and OCCLUSION MODE™ Phaco. The CASE and OCCLUSION
MODE™ Phaco can be used together or independently.