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Tack for intraocular drug delivery and method for inserting and removing same

  • US 5,466,233 A
  • Filed: 04/25/1994
  • Issued: 11/14/1995
  • Est. Priority Date: 04/25/1994
  • Status: Expired due to Term
First Claim
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1. A tack for intraocular drug delivery, comprising:

  • (a) a post including a drug to be administered, the post having a first end and a second end, the first end for being positioned within a vitreous region of an eye, the post having a length measured parallel to a longitudinal axis of the tack, the length being determined according to a dosage of the drug to be administered and such that obstruction of vision through a lens of the eye is minimized;

    (b) an anchoring region affixed to the second end of the post, the anchoring region including a width measured perpendicularly to the longitudinal axis of the tack, said width varying to provide the anchoring region with a configuration which anchors the tack within at least one of a sclera, a retina and a choroid; and

    (c) a head extending radially outwardly from the anchoring region such that upon insertion of the anchoring region and post within the eye, the head remains external to the eye and abuts a scleral surface of the eye.

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