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Lithotripsy eye treatment

  • US 9,504,604 B2
  • Filed: 12/11/2012
  • Issued: 11/29/2016
  • Est. Priority Date: 12/16/2011
  • Status: Active Grant
First Claim
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1. A method of treating a cataract in an eye, the method comprising:

  • advancing a distal end of a lithotripsy probe into the eye in proximity with the cataract;

    activating the lithotripsy probe to break the cataract into multiple pieces by causing fluid to move forward from a nozzle at the distal end of the lithotripsy probe, wherein causing fluid to move forward from the nozzle comprises generating a shock wave in the nozzle near the distal end of the lithotripsy probe, and wherein an hourglass shape of the nozzle increases a speed of the shock wave at an output opening of the nozzle; and

    aspirating the multiple pieces of the cataract out of the eye using suction.

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