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Glaucoma Drainage Devices Including Vario-Stable Valves and Associated Systems and Methods

  • US 20130150777A1
  • Filed: 12/12/2011
  • Published: 06/13/2013
  • Est. Priority Date: 12/12/2011
  • Status: Abandoned Application
First Claim
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1. A glaucoma drainage device comprising:

  • a drainage lumen;

    a valve system coupled to the drainage lumen, the valve system including;

    an adjustable valve having;

    a housing defining a cavity; and

    a diaphragm bounding at least one side of the cavity, the diaphragm in communication with the drainage lumen, the diaphragm movable between a first position that occupies a first amount of the drainage lumen and a second position that occupies a second amount of the drainage lumen, the second amount being greater than the first amount; and

    a fluid reservoir in fluid communication with the cavity of the adjustable valve;

    a first check valve positioned between the fluid reservoir and the cavity of the adjustable valve along a first fluid passageway, the first check valve preventing fluid flow from the fluid reservoir to the cavity of the adjustable valve; and

    a second check valve positioned between the fluid reservoir and the cavity of the adjustable valve along a second fluid passageway, the second check valve preventing fluid flow from the cavity of the adjustable valve to the fluid reservoir.

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