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Intraocular prostheses

  • US 5,282,851 A
  • Filed: 02/18/1992
  • Issued: 02/01/1994
  • Est. Priority Date: 07/07/1987
  • Status: Expired due to Term
First Claim
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1. An ocular prosthesis for use as an implant within the eye socket region of a patient, within the patient'"'"'s eye or on the outer surface of the patient'"'"'s eye, comprising:

  • a) a prosthesis body that is positioned during use in the eye socket region of a patient'"'"'s body, said region being exposed to the external environment and to the threat of pathogen travel from outside the patient'"'"'s body;

    b) the prosthesis body including tissue attachment means that includes a non-resorbable, non-dissolving porous polymer material with a port size greater than 20 microns, and wherein the pores of the porous polymer material form a tissue attachment site on a first outer surface of the prosthesis that allows tissue ingrowth by surrounding ocular tissue; and

    c) the prosthesis body including a solid or closed-pore polymer layer coextensive with the tissue attachment site that forms a barrier against generally transverse fluid or pathogen travel from a second outer surface which opposes said first outer surface, to the tissue attachment site.

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