A method for treating wrinkles in skin involves the use of a beam of pulsed, scanned or gated continuous wave laser or incoherent radiation. The method comprises generating a beam of radiation, directing the beam of radiation to a targeted dermal region between 100 microns and 1.2 millimeters below a wrinkle in the skin, and thermally injuring collagen in the targeted dermal region. The beam of radiation has a wavelength of between 1.3 and 1.8 microns. The method may include cooling an area of the skin above the targeted dermal region while partially denaturing the collagen in the targeted dermal region. The method may also include cooling an area of the skin above the targeted dermal region prior to thermally injuring collagen in the targeted dermal region.

Method and apparatus for treating wrinkles in skin using radiation

A method and apparatus are disclosed for enhancing the absorption of light in targeted skin structures and for the inhibition of pain transmission during light based treatments of the skin. After applying a vacuum to a vacuum chamber placed on a skin target and modulating the applied vacuum, the concentration of blood and/or blood vessels is increased within a predetermined depth below the skin surface of the skin target. Optical energy associated with light directed in a direction substantially normal to a skin surface adjoining the skin target is absorbed within the predetermined depth. The apparatus is suitable for treating vascular lesions with a reduced treatment energy density level than that of the prior art and for evacuating condensed vapors produced during the cooling of skin. The vacuum chamber may also have a skin flattening transmitting element which inhibits pain transmission upon applying a sufficiently high vacuum.

Method and apparatus for vacuum-assisted light-based treatments of the skin

The present invention provides method and apparatus for treating tissue in a region at depth while protecting non­targeted tissue by cyclically applying cooling to the patients skin, and preferably to the region, and by applying radiation to the patient's skin above the region to selectively heat tissue during and/or after cooling is applied. At least one of cooling and radiation my be applied by successivly passing a continuous output applicator over the patient's skin. Treatment may also be enhanced by applying mechanical, acoustic or electrical stimulation to the region.

Method and apparatus for treatment of cutaneous and subcutaneous conditions

A method and apparatus are disclosed for improving bodily safety during exposure to a monochromatic light source by diverging the monochromatic light, such as with a highly durable diffuser. At a first position of the distal end of the monochromatic light source the energy density of an exit beam from said distal end is substantially equal to the energy density of the monochromatic light required for desired applications and at a second position of the distal end the energy density of the light emitted therefrom is significantly less than the energy density of the monochromatic light. Accordingly, a laser unit suitable for aesthetic treatment, medical treatment or industrial treatment is converted into an eye safe laser unit. Eye safety is further enhanced by measuring the radiance of the divergent monochromatic light and issuing a warning as a result of a mishap if the radiance of the divergent monochromatic light is greater than a predetermined safe value, and if desired, generating a visible flash prior to the emission of a pulse of monochromatic light to induce an eye of a bystander to blink or to change its field of view in order to avoid staring at the monochromatic light.

Method and apparatus for improving safety during exposure to a monochromatic light source

The present invention features various methods and systems for performing radiation treatment of skin in connection with dynamic cooling of tissue, while minimizing or preventing occurrence of light flash during the treatment.

Dynamic cooling of tissue for radiation treatment

A cooling method and apparatus for use in combination with a laser for long-term hair removal and skin peeling. The cooling may be used with such hair-removal or skin peeling, with or without a contaminant that absorbs laser energy. Either concurrently or approximately concurrently with the illumination, the skin surface is cooled so that skin tissue is maintained at temperatures below that which could cause tissue damage. Preferably, the cooling is applied as cryogenic blasts of a cooling medium, e.g. a refrigerant, nitrogen, or cooled air, and may be performed in a cyclical fashion with heating form laser illumination. Optionally, the cooling method and apparatus may be used with an impingement technique and associated device for breaking up the formation of fluid vapor layer immediately above the skin surface for better control of the cooling process.

Skin cooling apparatus and method for laser assisted skin treatments

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Skin cooling apparatus and method for laser assisted skin treatments