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Method and apparatus for reducing intraocular pressure

  • US 10,524,958 B2
  • Filed: 09/30/2015
  • Issued: 01/07/2020
  • Est. Priority Date: 09/30/2015
  • Status: Active Grant
First Claim
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1. An apparatus for draining aqueous humor from an eye for reducing intraocular pressure, the eye having an anterior chamber and including a cornea, a surrounding marginal limbus by which the cornea is continuous with a scleral layer and a conjunctival layer, and an external ocular surface of the eye under an eyelid, the apparatus comprising:

  • a first tube extending, along a first axis, between an inlet end and an outlet end, the inlet end being adapted to be in fluid communication with the anterior chamber of the eye, and the first tube being adapted to direct a flow of aqueous humor from the anterior chamber and through the inlet end to the outlet end;

    a housing defining a cavity in fluid communication with the outlet end of the first tube, the cavity being configured to receive the aqueous humor;

    a second tube extending along a second axis, the second axis being perpendicular to the first axis of the first tube, the second tube having opposed proximal and distal ends and defining a longitudinally-extending channel, the second tube having a proximal opening disposed at the proximal end and a distal opening disposed at the distal end, the proximal end of the second tube being disposed in the housing and the distal end being spaced from the housing, the channel being in fluid communication with the cavity and configured to receive, through the proximal opening, the aqueous humor from the cavity and to direct the aqueous humor through the distal opening to a drainage site disposed distally to the anterior chamber and to the housing; and

    a flow control device operably engaged with the second tube and configured to control the flow of the aqueous humor from the cavity and through the distal opening of the second tube to the drainage site.

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