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1. 发明申请

US20100241131A1 PHACOEMULSIFICATION DEVICE AND METHOD FOR OPERATING THE SAME 有权
标题翻译： PHACOEMULSIFICATION设备及其操作方法
公开(公告)号：US20100241131A1
公开(公告)日：2010-09-23
申请号：US12677690
申请日：2008-09-10
申请人： Manfred Heymann , Michael Eichier , Erik Duever , Martin Kraus
发明人： Manfred Heymann , Michael Eichier , Erik Duever , Martin Kraus
IPC分类号： A61F9/007
CPC分类号： A61F9/00745 , A61B2018/00642
摘要： The invention relates to a phacoemulsification device, comprising: —a hand piece having a cutting tip for emulsifying a lens, wherein the tool holder is provided with piezoelectric elements for deflecting the cutting tip, —a regulator, the input of which is electrically connected to the tool holder, for receiving an actual value that is proportional to the voltage induced on the piezoelectric elements of the tool holder that is constantly oscillating on the natural frequency thereof, said regulator being suitable for comparing the actual value with a predetermined target value, thus determining an actuating variable, —a power amplifier, the input of which is connected to the regulator in order to receive the actuating variable, and the output of which is connected to the tool holder, wherein the tool holder may be actuated simultaneously with the receipt of the actual value and a power output to the tool holder being able to occur, such that a direct feedback coupling may be attained, thus enabling the tool holder to constantly oscillate at the natural frequency thereof with a deflection of the cutting tip corresponding to the actuating variable.
摘要翻译：本发明涉及一种晶状体乳化装置，包括： - 具有用于乳化透镜的切割尖端的手部件，其中所述工具保持器设置有用于偏转所述切割尖端的压电元件， - 调节器，其输入端电连接到工具架，用于接收与在其固有频率上恒定振荡的工具架的压电元件上感应的电压成比例的实际值，所述调节器适于将实际值与预定目标值进行比较，因此确定致动变量， - 功率放大器，其输入端连接到所述调节器以便接收所述致动变量，并且其输出端连接到所述工具保持器，其中所述工具保持器可与所述接收器同时致动的实际值和能够发生到工具架的功率输出，使得可以附加直接反馈耦合从而能够使工具架以其固有频率恒定地振荡，同时与对应于致动变量的切割尖端的偏转。

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