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Kafe 바로가기국가/구분 | United States(US) Patent 등록 |
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국제특허분류(IPC7판) |
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출원번호 | UP-0301340 (2005-12-12) |
등록번호 | US-7763016 (2010-08-13) |
발명자 / 주소 |
|
출원인 / 주소 |
|
대리인 / 주소 |
|
인용정보 | 피인용 횟수 : 12 인용 특허 : 474 |
A light energy delivery head is provided which, in one aspect, mounts laser diode bars or other light energy emitters in a heat sink block which is adapted to cool both the emitters and a surface of a medium with which the head is in contact and to which it is applying light energy. In another aspec
A light energy delivery head is provided which, in one aspect, mounts laser diode bars or other light energy emitters in a heat sink block which is adapted to cool both the emitters and a surface of a medium with which the head is in contact and to which it is applying light energy. In another aspect, various retroreflection configurations are provided which optimize retroreflection of back-scattered light energy from the medium. The size of the aperture through which light energy is applied to the medium is also controlled so as to provide a desired amplification coefficient as a result of retroreflection.
What is claimed is: 1. A light energy treatment head comprising: at least one optical energy emitting element mounted within the head and oriented to direct optical energy to a target region of skin during use; a thermally conductive transparent element disposed between the at least one optical ene
What is claimed is: 1. A light energy treatment head comprising: at least one optical energy emitting element mounted within the head and oriented to direct optical energy to a target region of skin during use; a thermally conductive transparent element disposed between the at least one optical energy emitting element and the target region of skin during use; and at least one cooling mechanism for extracting heat from both the at least one optical energy emitting element and the thermally conductive transparent element. 2. The light energy treatment head of claim 1, wherein the at least one cooling mechanism comprises at least one coolant flow channel. 3. The light energy treatment head of claim 1, further comprising a reflective mask disposed between the at least one optical energy emitting element and the target region, wherein said reflective mask has an opening formed therein through which optical energy may be applied to said target region. 4. The light energy treatment head of claim 3, wherein the reflective mask is a coating of reflective material. 5. The light energy treatment head of claim 3, wherein the reflective mask has an area at least substantially as large as an aperture of reflection for scattered optical energy from the target region. 6. The light energy treatment head of claim 1, wherein said transparent element is a waveguide. 7. The light energy treatment head of claim 6, wherein said waveguide further comprises an angle dependent reflecting layer on at least one wall of said waveguide capable of attenuating angled optical energy entering said waveguide. 8. The light energy treatment head of claim 1, wherein the at least one optical energy emitting element is at least one of laser diode bars, filament lamps, and light pipes. 9. The light energy treatment head of claim 1, wherein the at least one optical energy emitting element is mounted within the head in a mount. 10. The light energy treatment head of claim 9, wherein the mount is thermally conductive. 11. The light energy treatment head of claim 9, wherein the mount is a heat sink for sinking heat from both the at least one optical energy emitting element and the thermally conductive transparent element. 12. The light energy treatment head of claim 9, wherein the mount has at least one groove, wherein the at least one optical energy emitting element is mounted in said at least one groove. 13. The light energy treatment head of claim 9, further comprising a reflecting layer disposed between said mount and said thermally conductive transparent element, wherein said reflecting layer has an opening formed therein through which optical energy may be applied to said target region. 14. The light energy treatment head of claim 9, wherein the thermally conductive transparent element has a larger surface area than the area of the surface of said mount within which the at least one optical energy emitting element is mounted. 15. The light energy treatment head of claim 9, further comprising a reflecting layer in proximity to the thermally conductive transparent element, wherein the reflecting layer has a larger area than the area of the surface of said mount within which the at least one optical energy emitting element is mounted. 16. The light energy treatment head of claim 1, wherein the cooling mechanism is further capable of cooling the target region. 17. A head for applying light energy to skin comprising: a thermally conductive mount, at least one optical energy emitting element mounted to said thermally conductive mount so as to direct energy to a target region of skin during use, said at least one optical energy emitting element being in thermal contact with said mount, a thermally conductive element thermally coupled to said mount and configured to be in thermal contact with at least a surface portion of the target region during use, wherein said thermally conductive element is substantially transparent to radiation generated by said at least one optical energy emitting element, and a cooling mechanism coupled to said thermally conductive mount, said cooling mechanism configured to remove heat from both said at least one optical energy emitting element and said thermally conductive element. 18. The head of claim 17, wherein said thermally conductive element comprises sapphire. 19. The head of claim 17, wherein said at least one optical energy emitting element is selected from the group of a laser and a lamp. 20. The head of claim 17, further comprising an optically reflective element coupled to said thermally conductive mount and configured to retroreflect at least a portion of the energy reflected from said target region. 21. A head for applying optical energy to skin, comprising: a thermally conductive mount having at least one channel adapted for a coolant fluid flow so as to cool said thermally conductive mount, at least one optical energy emitting element mounted to said thermally conductive mount so as to be in thermal contact therewith, said at least one optical energy emitting element being oriented so as to be capable of directing energy to a target region of skin during use, a thermally conductive element coupled to said thermally conductive mount to be in thermal contact therewith and configured to be in contact with at least a surface portion of the target region of skin during use, wherein said thermally conductive element is a transparent element, and wherein said thermally conductive mount is configured to remove heat from both said at least one optical energy emitting element and said thermally conductive element. 22. The head of claim 21, wherein said coolant fluid comprises a gas. 23. The head of claim 21, wherein said coolant fluid comprises a liquid. 24. The head of claim 21, wherein said thermally conductive element comprises sapphire. 25. The head of claim 21, wherein said at least one optical energy emitting element is selected from the group of a laser and a lamp. 26. A head for applying optical energy to skin, comprising: a thermally conductive mount, at least one optical energy emitting element mounted to said thermally conductive mount so as to be in thermal contact therewith, said at least one optical energy emitting element being oriented for applying energy to a target region of skin during use, an optically reflective element coupled to said thermally conductive mount for redirecting at least a portion of the applied energy reflected by the skin back to the target region of skin, a thermally conductive transparent element coupled to said thermally conductive mount to be in thermal contact therewith, and a cooling mechanism coupled to said thermally conductive mount, said cooling mechanism being in thermal contact with both said thermally conductive mount and said thermally conductive transparent element and configured to remove heat therefrom. 27. The head of claim 26, wherein said optically reflective element at least partially surrounds an aperture through which the energy is applied to the target region of skin. 28. The head of claim 26, wherein said thermally conductive transparent element comprises sapphire. 29. The head of claim 26, wherein said at least one optical energy emitting element is selected from the group of a laser and a lamp.
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