Orthovoltage radiotherapy
First Claim
1. A method, of treating a target region within an eye of a patient, comprising:
- directing, based only on a point region on an outer surface of the eye, an x-ray beam toward the eye, the beam having a photon energy between about 40 keV and about 250 keV; and
exposing the target region to a dose of from about 1 Gy to about 40 Gy of x-ray radiation.
2 Assignments
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Accused Products
Abstract
A radiosurgery system is described that delivers a therapeutic dose of radiation to a target structure in a patient. In some embodiments, inflammatory ocular disorders are treated, specifically macular degeneration. In some embodiments, ocular structures are placed in a global coordinate system, based on ocular imaging, which leads to direction of an automated positioning system. In some embodiments, the position of an ocular structure is tracked and related to a radiosurgery system. In some embodiments, a treatment plan is utilized for a specific disease to be treated and/or structures to be avoided. In some embodiments, a fiducial aids in positioning the system. In some embodiments, a reflection off the eye is used to aid in positioning. In some embodiments, radiodynamic therapy is described in which radiosurgery is used in combination with other treatments and can be delivered concomitant with, prior to, or following other treatments.
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Citations
21 Claims
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1. A method, of treating a target region within an eye of a patient, comprising:
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directing, based only on a point region on an outer surface of the eye, an x-ray beam toward the eye, the beam having a photon energy between about 40 keV and about 250 keV; and exposing the target region to a dose of from about 1 Gy to about 40 Gy of x-ray radiation. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14)
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- 15. A method, of treating an eye during a treatment period, comprising directing an x-ray beam, based only on a point on an outer surface of the eye, from a source outside the eye to a target region at the retina of the eye, such that the target region is exposed to a dose of from about 1 Gy to about 40 Gy of x-ray radiation.
Specification