Intraocular drug delivery
First Claim
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1. An ab externo method of placing an intraocular implant into an eye, the method comprising the steps of:
- advancing a needle, in which the implant is disposed, into the eye through conjunctiva, Tenon'"'"'s capsule, and sclera of the eye, the implant comprising a drug deliverable to the eye; and
releasing the intraocular implant to anchor the implant within an intrascleral space of the eye, wherein the implant functions as a plug to obstruct fluid flow from an anterior chamber of the eye toward the intrascleral space upon release.
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Abstract
An ab externo method of placing an intraocular implant into an eye can include advancing a needle, in which the implant is disposed, into the eye through conjunctiva and sclera of the eye. The implant can include a drug deliverable to the eye. The implant can thereafter be released to be anchored in the eye and elute the drug to the eye.
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Citations
22 Claims
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1. An ab externo method of placing an intraocular implant into an eye, the method comprising the steps of:
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advancing a needle, in which the implant is disposed, into the eye through conjunctiva, Tenon'"'"'s capsule, and sclera of the eye, the implant comprising a drug deliverable to the eye; and releasing the intraocular implant to anchor the implant within an intrascleral space of the eye, wherein the implant functions as a plug to obstruct fluid flow from an anterior chamber of the eye toward the intrascleral space upon release. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 22)
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13. An ab externo method of placing an intraocular implant into an eye, the method comprising the steps of:
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advancing a needle, in which the implant is disposed, into the eye through conjunctiva and sclera of the eye, the implant comprising a drug deliverable to the eye, the implant comprising a tapered cross-sectional profile; and releasing the intraocular implant to anchor the implant within an intrascleral space of the eye by positioning a larger cross-sectional profile first end portion of the implant superficially within the sclera and a smaller cross-sectional profile second end portion deep to the first end portion. - View Dependent Claims (14, 15, 16, 17, 18)
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19. An ab externo method of placing an intraocular implant into an eye, the method comprising the steps of:
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advancing a needle, in which the implant is disposed, into the eye through conjunctiva and sclera of the eye, the implant comprising a drug deliverable to the eye; positioning a bevel of the needle (i) within a choroidal space of the eye and an outflow portion of the implant within the choroidal space or (ii) within a vitreous space of the eye and the outflow portion of the implant within the vitreous space; and releasing the intraocular implant to anchor the implant within an intrascleral space of the eye, wherein the implant functions as a plug to obstruct fluid flow from an anterior chamber of the eye toward the intrascleral space upon release. - View Dependent Claims (20, 21)
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Specification