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Phacoemulsification handpiece with flexible impeller pump

  • US 10,278,861 B2
  • Filed: 07/25/2016
  • Issued: 05/07/2019
  • Est. Priority Date: 06/24/2016
  • Status: Active Grant
First Claim
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1. A phacoemulsification system comprising:

  • a hand-graspable body;

    a phacoemulsification needle extending from a distal portion of the body and arranged to ultrasonically vibrate to treat an ocular condition;

    an ultrasonic vibration generator cooperatively coupled to the phacoemulsification needle, the phacoemulsification needle ultrasonically vibratable in response to a vibration of the ultrasonic vibration generator; and

    an impeller pump carried by the hand-graspable body and configured to convey an aspiration fluid from a surgical site, the impeller pump comprising;

    an aspiration motor, anda flexible impeller coupled to and rotatably driven by the aspiration motor, the flexible impeller being arranged to aspirate fluid and emulsified lens tissue from the surgical site, wherein the impeller pump comprises an impeller chamber, the impeller being non-concentrically disposed within the impeller chamber.

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