Device and method for providing phototherapy to the brain
First Claim
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1. A therapy apparatus for treating a patient'"'"'s brain, the therapy apparatus comprising:
- a light source having an output emission area positioned to irradiate a portion of the brain with an efficacious power density and wavelength of light, wherein the efficacious power density is between about 0.01 mW/cm2 and about 100 mW/cm2 at a depth of approximately 2 centimeters below the patient'"'"'s dura; and
an element adapted to be interposed between the light source and the patient'"'"'s scalp, the element adapted to inhibit temperature increases at the scalp caused by the light, wherein the element is adapted to apply pressure to at least a portion of the scalp, thereby blanching the portion of the scalp and decreasing absorption of the light by blood in the scalp.
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Abstract
A therapy apparatus for treating a patient'"'"'s brain is provided. The therapy apparatus includes a light source having an output emission area positioned to irradiate a portion of the brain with an efficacious power density and wavelength of light. The therapy apparatus further includes an element interposed between the light source and the patient'"'"'s scalp. The element is adapted to inhibit temperature increases at the scalp caused by the light.
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Citations
28 Claims
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1. A therapy apparatus for treating a patient'"'"'s brain, the therapy apparatus comprising:
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a light source having an output emission area positioned to irradiate a portion of the brain with an efficacious power density and wavelength of light, wherein the efficacious power density is between about 0.01 mW/cm2 and about 100 mW/cm2 at a depth of approximately 2 centimeters below the patient'"'"'s dura; and an element adapted to be interposed between the light source and the patient'"'"'s scalp, the element adapted to inhibit temperature increases at the scalp caused by the light, wherein the element is adapted to apply pressure to at least a portion of the scalp, thereby blanching the portion of the scalp and decreasing absorption of the light by blood in the scalp. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24)
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25. A therapy apparatus for treating brain tissue, the therapy apparatus comprising:
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a light source positioned to irradiate at least a portion of a patient'"'"'s head with light having a wavelength and power density which penetrates the cranium to deliver an efficacious amount of light to brain tissue, wherein the light has a power density of between about 0.01 mW/cm2 and about 100 mW/cm2 at a depth of approximately 2 centimeters below the patient'"'"'s dura; and a material which inhibits temperature increases of the head, the material adapted to contact the head and to apply pressure to at least the irradiated portion of the patient'"'"'s head, thereby blanching the irradiated portion. - View Dependent Claims (26, 27)
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28. A therapy apparatus for treating a patient'"'"'s brain, the therapy apparatus comprising:
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a light source adapted to irradiate at least a portion of the brain with an efficacious power density and wavelength of light, wherein the efficacious power density is between about 0.01 mW/cm2 and about 100 mW/cm2 at a depth of approximately 2 centimeters below the patient'"'"'s dura; and an element adapted to inhibit temperature increases at the scalp, wherein the element is adapted to apply pressure to at least a portion of the scalp to blanch the portion of the scalp, wherein at least a portion of the element is in an optical path of the light from the light source to the scalp.
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Specification