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Device and method for reducing intraocular pressure

  • US 10,369,050 B2
  • Filed: 07/23/2018
  • Issued: 08/06/2019
  • Est. Priority Date: 08/29/2014
  • Status: Active Grant
First Claim
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1. An apparatus for draining aqueous humor from an eye for reducing intraocular pressure, the apparatus comprising:

  • a tube extending between an inlet end and an outlet end, the tube defining a passage for a fluid to flow from the inlet end to the outlet end;

    a housing defining a cavity in fluid communication with the outlet end of the tube, the cavity configured to receive the fluid from the tube, the housing including an opening configured to allow the fluid to flow out from the cavity to an external area; and

    a filtration element disposed in at least one of the tube or the housing, the filtration element having a length extending from a distal end and a proximal end, the distal end being positioned closer to the inlet end of the tube, the filtration element including a plurality of pores having a plurality of respective pore sizes, the plurality of pores being arranged in the filtration element in order of decreasing size from the distal end to the proximal end,wherein the fluid flows through the tube and the housing via the plurality of pores from the distal end to the proximal end of the filtration element, and the plurality of pores provide a predetermined resistance to the flow of the fluid.

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