Methods for nonablative photorejuvenation
First Claim
1. A method for treatment of dermatological conditions of skin comprising:
- precooling a surface of the skin to below a normal temperature of the skin surface,wherein the precooling of the skin surface result in a temperature of the epidermis of about 0°
C. and a temperature of the dermis of about 30°
C.;
applying a beam of radiation to the surface of the skin having a wavelength between about 515 nm to about 660 nm, a fluence less than about 26 j/cm2, wherein the beam includes two or more pulses with each pulse having a pulse width and a pulse duration;
applying dynamic cooling to the surface of the skin simultaneous with applying the beam of radiation to the surface of the skin, wherein the dynamic cooling maintains the temperature of the surface of the skin to an average increase of about 35°
C. during the applying of the radiation beam; and
applying a post treatment moisturizing cream to the surface of the skin after the applying of the radiation beam.
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Abstract
Methods for treatment of photoaging signs and skin texture includes precooling a surface of the skin to be treated, applying a beam of radiation to the surface of the skin having a wavelength between about 515 nm to about 1200 nm and a fluence less than about 26 j/cm2. The beam includes two or more pulses have different wavelengths wherein each pulse has a pulse width and a duration of a pulse (i.e., pulse duration), and wherein the second pulse is superimposed on the first pulse over the same treatment area. Also, the method includes applying dynamic cooling to the surface of the skin simultaneous with applying the beam of radiation to the surface of the skin.
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Citations
22 Claims
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1. A method for treatment of dermatological conditions of skin comprising:
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precooling a surface of the skin to below a normal temperature of the skin surface, wherein the precooling of the skin surface result in a temperature of the epidermis of about 0°
C. and a temperature of the dermis of about 30°
C.;applying a beam of radiation to the surface of the skin having a wavelength between about 515 nm to about 660 nm, a fluence less than about 26 j/cm2, wherein the beam includes two or more pulses with each pulse having a pulse width and a pulse duration; applying dynamic cooling to the surface of the skin simultaneous with applying the beam of radiation to the surface of the skin, wherein the dynamic cooling maintains the temperature of the surface of the skin to an average increase of about 35°
C. during the applying of the radiation beam; andapplying a post treatment moisturizing cream to the surface of the skin after the applying of the radiation beam. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20)
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21. A method for treatment of dermatological conditions of skin comprising:
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precooling a surface of the skin for a first treatment to below a normal temperature of the skin surface, wherein the precooling of the skin surface result in a temperature of the epidermis of about 0°
C. and a temperature of the dermis of about 30°
C.;applying a first beam of radiation to each of a plurality of treatment areas of the surface of the skin, the first beam having a wavelength between about 560 nm to about 660 nm and a fluence less than about 26 j/cm2 and wherein the beam includes a first pulse and a second pulse applied to each treatment area; applying a first dynamic cooling to the surface of the skin simultaneous with applying the beam of radiation, wherein the dynamic cooling maintains the temperature of the surface of the skin to an average increase of about 35°
C. during the applying of the radiation beam;precooling a surface of the skin for a second treatment to below a normal temperature of the skin surface, the second treatment following the first treatment by a predefined period of time exceeding one week; applying a second beam of radiation to each of the treatment areas, the second beam having a wavelength between about 590 nm and about 660 nm and a fluence less than about 26 j/cm2 and wherein the beam includes a first pulse and a second pulse applied to each treatment area; applying a second dynamic cooling to the surface of the skin simultaneous with applying the second beam of radiation, wherein the dynamic cooling maintains the temperature of the surface of the skin to an average increase of about 35°
C. during the applying of the radiation beam;applying a post treatment moisturizing neutral cream to the surface of the skin after each applying of the radiation beams. - View Dependent Claims (22)
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Specification