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Methods and apparatus for delivery of ocular implants

  • US 7,090,681 B2
  • Filed: 09/18/2003
  • Issued: 08/15/2006
  • Est. Priority Date: 09/18/2002
  • Status: Active Grant
First Claim
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1. An apparatus for implanting an ocular implant at a location in a patient'"'"'s eye comprising:

  • a cannula having a lumen extending therethrough configured to receive an ocular implant; and

    means for retaining an implant received within the cannula lumen to minimize inadvertent release of the implant from the cannula wherein the retention means comprises a frictional stop which extends into the cannula lumen for contacting an implant received therein, wherein the frictional stop comprises an O-ring, at least a portion of which extends into the cannula lumen for contacting an implant received therein, wherein the cannula includes a notch, the notch providing for communication between the cannula lumen and cannula exterior, and wherein the O-ring is positioned around the cannula and where a portion of the O-ring is received in the notch and extends into the cannula lumen.

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