Thermal mode phaco apparatus and method
First Claim
Patent Images
1. In a control console for providing irrigation fluid and energy to an ultrasonic phacoemulsification handpiece and aspirating fluid from an eye during ocular surgery, control apparatus for regulating fluid flow and power, said control apparatus comprising:
- means for monitoring energy provided to the handpiece by the control console;
means for monitoring energy removed from the eye by aspirated fluid; and
computer means, responsive to input from the means for monitoring energy provided to the handpiece and the means for monitoring energy removed from the eye, for regulating the energy provided to the handpiece.
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Accused Products
Abstract
Control apparatus for an ultrasonic phacoemulsification handpiece utilizes flow rates and temperature measurements as well as power provided to a handpiece for calculating an energy balance over a time interval and in response thereto, regulating power and/or fluid flow to and from the handpiece.
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Citations
12 Claims
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1. In a control console for providing irrigation fluid and energy to an ultrasonic phacoemulsification handpiece and aspirating fluid from an eye during ocular surgery, control apparatus for regulating fluid flow and power, said control apparatus comprising:
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means for monitoring energy provided to the handpiece by the control console;
means for monitoring energy removed from the eye by aspirated fluid; and
computer means, responsive to input from the means for monitoring energy provided to the handpiece and the means for monitoring energy removed from the eye, for regulating the energy provided to the handpiece. - View Dependent Claims (2, 3)
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4. Control apparatus for providing fluid and power to an ultrasonic phacoemulsification handpiece during ocular surgery on an eye, said control apparatus comprising:
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means for monitoring energy provided to the handpiece;
means for monitoring energy removed from the eye; and
computer means, responsive to input from the means for monitoring energy provided and the means for monitoring energy removed, for calculating an energy balance over a time interval and regulating the power and fluid provided to the handpiece. - View Dependent Claims (5, 6, 7)
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8. In a control console for providing irrigation fluid and energy to an ultrasonic phacoemulsification handpiece and aspirating fluid from an eye during ocular surgery, control apparatus for regulating fluid flow and power, said control apparatus comprising:
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sensor means for monitoring energy provided to the handpiece by the control console;
sensor means for monitoring energy removed from the eye; and
computer means, responsive to input from the means for monitoring energy provided and the means for monitoring energy removed, for regulating the energy provided to the handpiece, and regulating fluid flow of the irrigation fluid and aspirated fluid. - View Dependent Claims (9)
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10. In a control console for providing irrigation fluid and energy to an ultrasonic phacoemulsification handpiece and aspirating fluid from an eye during ocular surgery, control apparatus for regulating fluid flow and power, said control apparatus comprising:
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sensor means for monitoring energy provided to the handpiece by the control console;
sensor means for monitoring energy removed from the eye by aspirated fluid; and
computer means, responsive to input from the means for monitoring energy provided to the handpiece and the means for monitoring energy removed from the eye, for regulating the energy provided to the handpiece.
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11. Control apparatus for providing fluid and power to an ultrasonic phacoemulsification handpiece during ocular surgery on an eye, said control apparatus comprising:
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sensor means for monitoring energy provided to the handpiece;
sensor means for monitoring energy removed from the eye; and
computer means, responsive to input from the means for monitoring energy provided and the means for monitoring energy removed, for calculating an energy balance over a time interval and regulating the power and fluid provided to the handpiece.
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12. In a control console for providing irrigation fluid and energy to an ultrasonic phacoemulsification handpiece and aspirating fluid from an eye during ocular surgery, control apparatus for regulating fluid flow and power, said control apparatus comprising:
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sensor means for monitoring energy provided to the handpiece by the control console;
sensor means for monitoring energy removed from the eye; and
computer means, responsive to input from the means for monitoring energy provided and the means for monitoring energy removed, for regulating the energy provided to the handpiece, and regulating fluid flow of the irrigation fluid and aspirated fluid.
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Specification