PHOTOTHERAPY HANDPIECE
First Claim
1. A phototherapy device comprising.a handpiece;
- anda beamshaping element housed in the handpiece;
wherein the beamshaping element is adapted toreceive a beam of light from an ultraviolet light source,modify the shape of the beam, anddirect the modified beam to provide illumination of a region of a treatment surface, said region having a cross section at the treatment surface with an irregularly shaped boundary.
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Accused Products
Abstract
A phototherapy device is disclosed including: a handpiece; and a beamshaping element housed in the handpiece. The beamshaping element is adapted to receive a beam of light from an ultraviolet light source, modify the shape of the beam, and direct the modified beam to provide illumination of a region of a treatment surface, the region, having a cross section at the treatment surface with an irregularly shaped boundary. In some embodiments, the irregularly shaped boundary is composed of one or more segments, each segment being sinusoid-like. In some embodiments, the beamshaping element includes a screen disposed between the light source and the treatment surface, the screen including a light transmissive region with an irregularly shaped boundary, and where the irregularly shaped boundary of the illuminated area corresponds to the irregularly shaped boundary of the light transmissive region.
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Citations
30 Claims
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1. A phototherapy device comprising.
a handpiece; - and
a beamshaping element housed in the handpiece; wherein the beamshaping element is adapted to receive a beam of light from an ultraviolet light source, modify the shape of the beam, and direct the modified beam to provide illumination of a region of a treatment surface, said region having a cross section at the treatment surface with an irregularly shaped boundary. - 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)
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24. A treatment system comprising
a handpiece comprising a beamshaping element, said beamshaping element adapted to receive a beam of light from an ultraviolet light source, modify the shape of the beam; - and direct the modified beam to provide illumination of a region of a treatment surface, said region having a cross section at the treatment surface with an irregularly shaped boundary; and
a plurality of screens adapted to be interchangeably received by the beam shaping element at a position disposed between the light source and the treatment surface, each of said screens comprising a light transmissive region with an irregularly shaped boundary, wherein the irregularly shaped boundary of the illuminated area corresponds to the irregularly shaped boundary of the light transmissive region; wherein the irregularly shaped boundary is composed of one or more segments, each segment being sinusoid-like; and wherein the shape of the boundary of the light transmissive region of each screen varies from screen to screen. - View Dependent Claims (25, 30)
- and direct the modified beam to provide illumination of a region of a treatment surface, said region having a cross section at the treatment surface with an irregularly shaped boundary; and
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26. A method of treating inflammatory skin disease comprising:
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A. illuminating a region of skin within a treatment area to provide an effective dose of treatment light, said area having a an irregularly shaped boundary; and B. successively repeating step A to tile substantially all of the treatment area with illuminated regions, each of said regions having a cross section at the treatment surface with a an irregularly shaped boundary. - View Dependent Claims (27, 28, 29)
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Specification