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Pressure Control in Phacoemulsification System

  • US 20140114237A1
  • Filed: 10/22/2012
  • Published: 04/24/2014
  • Est. Priority Date: 10/22/2012
  • Status: Active Grant
First Claim
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1. A surgical system comprising:

  • a pressurized irrigation fluid source;

    an irrigation line fluidly coupled to the pressurized irrigation fluid source;

    a hand piece fluidly coupled to the irrigation line;

    an irrigation pressure sensor located at or along the pressurized irrigation fluid source or irrigation line; and

    a controller for controlling the pressurized irrigation fluid source;

    wherein the controller controls the pressurized irrigation fluid source based on a reading from the irrigation pressure sensor and an estimated flow value modified by a compensation factor.

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