Intraocular radiotherapy treatment
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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
78 Claims
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1-42. -42. (canceled)
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43. A method for treating tissue of the human eye, comprising:
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inserting an ionizing radiation source into the vitreous chamber of the eye;
positioning the ionizing radiation source within the eye at a location spaced from tissue to be treated; and
exposing the tissue to radiation emitted from the ionizing radiation source. - View Dependent Claims (44, 45, 46, 47, 48, 49, 50, 51, 52, 53, 54, 55, 56, 57)
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58. A method of radiotherapy for treating selected tissue of the human eye, comprising:
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providing a radiation source delivery cannula having a distal end;
introducing the distal end of the cannula into the vitreous chamber of the human eye;
providing an ionizing radiation source at the distal end of the cannula;
positioning the ionizing radiation source within the eye at a location spaced from the selected tissue; and
exposing the selected tissue to radiation emitted from the ionizing radiation source. - View Dependent Claims (59, 60, 61, 62, 63, 64, 65, 66, 67, 68, 69, 70)
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71. A method for treating tissue of the human eye, comprising:
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inserting an ionizing radiation source into the vitreous chamber of the eye;
positioning the ionizing radiation source about 1 mm to about 3 mm from the tissue, the ionizing radiation source having an energy sufficient to provide a dose rate of at least about 50 cGy/sec; and
exposing the tissue to a therapeutically effective amount of radiation emitted from the ionizing radiation source. - View Dependent Claims (72, 73, 74, 75, 76, 77, 78)
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Specification