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Delivering ocular implants into the eye

  • US 9,931,243 B2
  • Filed: 01/08/2015
  • Issued: 04/03/2018
  • Est. Priority Date: 12/19/2011
  • Status: Active Grant
First Claim
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1. A method of deploying an ocular implant into Schlemm'"'"'s canal of an eye, the method comprising:

  • inserting a distal end of a cannula through a cornea of the eye and into an anterior chamber of the eye, the cannula comprising a side wall defining a passageway, an opening in fluid communication with the passageway and extending through the side wall and a distal end of the cannula to define a trough having a depth dimension deeper than a width of the ocular implant, and a distal opening surface surrounding the opening;

    inserting a distal end of the trough through trabecular meshwork into Schlemm'"'"'s canal to place the opening of the cannula in fluid communication with Schlemm'"'"'s canal;

    advancing the ocular implant distally through the cannula into Schlemm'"'"'s canal without the ocular implant intersecting the trabecular meshwork; and

    a disengaging step comprising disengaging interlocking portions of the ocular implant and the delivery tool when a portion of the ocular implant is in Schlemm'"'"'s canal and when the interlocking portions are in the trough.

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