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Ophthalmic device for draining excess intraocular fluid

  • US 5,626,559 A
  • Filed: 05/01/1995
  • Issued: 05/06/1997
  • Est. Priority Date: 05/02/1994
  • Status: Expired due to Term
First Claim
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1. An implant device for draining intraocular fluid from the anterior cavity of an eye comprising:

  • a generally domed shaped head portion having a concave inner surface and at least one opening for draining fluid, said head portion terminating in a circular or elliptical edge adapted to engage the eye so as to define a fluid receiving space bounded by said head portion and said eye;

    a leg portion comprising a first end adapted to pierce the sclera or cornea of the eye, an opposite second end mounted to the concave inner surface of said head portion, a first fluid opening at said first end, a second fluid opening at said second end in communication with said fluid receiving space, and a fluid duct communicating said first and second fluid openings;

    wherein an opening is defined between said edge and said leg portion for absorption of said fluid by the area of the eye between said edge and said leg; and

    a valve for controlling fluid flow through said implant.

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