Method of radiation delivery to the eye
First Claim
Patent Images
1. A method for delivery of radiation to a sub-retinal region of the eye, comprising:
- detaching a portion of the retina from the sub-retinal region, and exposing the sub-retinal region to ionizing radiation.
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Abstract
A surgical device for localized delivery of beta radiation in surgical procedures, particularly ophthalmic procedures. Preferred surgical devices include a cannula with a beta radiotherapy emitting material at the distal end of the cannula. The surgical device is particularly suitable for use in the treatment of treat Age Related Macular Degeneration (AMD).
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Citations
65 Claims
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1. A method for delivery of radiation to a sub-retinal region of the eye, comprising:
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detaching a portion of the retina from the sub-retinal region, and exposing the sub-retinal region to ionizing radiation. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19)
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20. A method for treating macular degeneration of the eye, comprising:
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detaching a portion of the retina of the eye to provide access to a sub-retinal region;
introducing an ionizing radiation source between the retina and the sub-retinal region; and
exposing the sub-retinal region to ionizing radiation from the ionizing radiation source. - View Dependent Claims (21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43)
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44. A method for treating the eye, comprising:
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detaching the macula from a sub-macular membrane;
introducing an ionizing radiation source into the vitreous of the eye;
directly accessing the sub-macular membrane with the ionizing radiation source; and
targeting sub-macular tissue with ionizing radiation from the ionizing radiation source. - View Dependent Claims (45, 46, 47, 48, 49, 50, 51, 52, 53, 54, 55, 56, 57, 58, 59, 60, 61, 62, 63)
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64. A method for the treatment of wet macular degeneration of the eye, comprising:
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providing a radiation source delivery cannula having a distal end and the cannula being tapered toward the distal end;
detaching the macula to provide direct access to a sub-macular membrane comprising blood vessels;
introducing the distal end of the cannula through the sclera into the interior of the eye;
directly accessing the sub-macular membrane with the distal end of the cannula;
providing an ionizing radiation source at the distal end of the cannula;
positioning the ionizing radiation source between about 1 mm and about 3 mm from the blood vessels; and
exposing the blood vessels to sufficient ionizing radiation to treat choroidal neovascularization. - View Dependent Claims (65)
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Specification