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Surgical cassette apparatus

  • US 10,265,443 B2
  • Filed: 04/06/2015
  • Issued: 04/23/2019
  • Est. Priority Date: 11/07/2008
  • Status: Active Grant
First Claim
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1. A method for selectively venting and aspirating fluid to and from a handpiece employed in an ocular surgical procedure, comprising:

  • providing a first pumping operation for controlling fluid flow to and from the handpiece via a first fluid pathway connecting the handpiece and a flow selector valve, the first pumping operation using a first pump connected to a first port of the flow selector valve;

    providing a second pumping operation for controlling fluid flow to and from the handpiece via the first fluid pathway, the second pumping operation using a second pump connected to a reservoir, wherein the reservoir is connected to a second port of the flow selector valve;

    providing a first venting operation for controlling fluid flow to the handpiece via the first fluid pathway, the first venting operation using a bottle connected to a third port of the flow selector valve;

    providing a second venting operation for controlling fluid flow to the handpiece via a second fluid pathway connecting the handpiece directly to the bottle; and

    selecting operation between the first pumping operation, the second pumping operation, and the first venting operation using the flow selector valve.

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