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Consumer Sleep Technology
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Patent US6350275
Issued 2002-02-26
Devices For Treating Circadian Rhythm Disorders Using Led's
A device is provided for treating a circadian rhythm disorder in a subject. The device includes a plurality of light emitting diodes (LED's), preferably blue to green; a mounting to which the LED's are connected: a material for positioning the LED's within 3 cm of the subject, with an orientation toward the subject; a portable power supply electrically connected to the LED's; and a control connected to the LED's for altering the operation of the LED's. The device is sufficiently light and compact to be comfortably worn by the subject. One or more such devices are used to deliver light to a subject's retinas, to the subject's vascular tissue, or simultaneously to both the retinas and the vascular tissue. For illumination of the retina, small chip-type LED's are integrated into the frames of eyeglasses and positioned to direct light into the eyes of the subject. For illumination of the vascular tissue, an array of lens or chip type LED's are contained in a casing that is secured against the skin of the subject. The devices can be used independently of each other, or can be used in combination for more effective and/or flexible treatment.
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- 1. A method for treating circadian rhythm disorders experienced by a subject, the method comprising: (a) illuminating the vascular tissue beneath the skin of the subject with light produced by a portable device worn by the subject, wherein the device comprises a plurality of light emitting diodes (LED's) positioned within 3 cm of and oriented toward the subject for illuminating the subject, a power supply connected to the LED's, and a control connected to the LED's; and (b) simultaneously illuminating the subject with light produced by an additional device worn by the subject.
- 5. A method for treating circadian rhythm disorders experienced by a subject, the method comprising: (a) illuminating the subject with light produced by a portable device worn around a portion of the subject's body, wherein the device comprises a plurality of light emitting diodes (LED's) positioned within 3 cm of and oriented toward the subject for illuminating the subject, a power supply connected to the LED's, and a control connected to the LED's; and (b) simultaneously illuminating the subject with light produced by an additional device worn by the subject.
- 9. A method for treating circadian rhythm disorders experienced by a subject, the method comprising: illuminating the subject with light produced by a portable device worn by the subject, wherein the device comprises a plurality of light emitting diodes (LED's) positioned within 3 cm of and oriented toward the subject for illuminating the subject, a power supply connected to the LED's, and a control connected to the LED's; and simultaneously illuminating the subject with light produced by an additional device worn by the subject.
