Control device for a phacoemulsification system and phacoemulsification system comprising such a control device
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United States of America Patent
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Mar 2, 2021
Grant Date -
Feb 15, 2018
app pub date -
Oct 25, 2017
filing date -
Apr 25, 2015
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Abstract
A control apparatus for a phacoemulsification system is disclosed. The control apparatus is configured to supply electrical energy to an actuator for a phaco needle during a plurality of time intervals, wherein the time intervals includes a first time interval, in which electrical energy for pulses with a constant maximum amplitude is supplied, a second time interval following the first time interval, wherein electrical energy with a value equal to zero is supplied, and a third time interval following the second time interval, wherein the third time interval has a first time duration in which electrical energy for pulses which have a lower constant amplitude than the maximum amplitude during the first time interval is supplied.
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