Skin including hypotrophic scars is irradiated with laser radiation having a wavelength between about 525 and 550 nanometers. The irradiation is delivered at a fluence that stimulates wound healing responses without actually inflicting a wound. The wound healing properties promote growth of dermal extracellular matrix. Absorption properties of hemoglobin and melanin in the 525 to 550 nanometer wavelength range provide that wound healing response is concentrated close to upper regions of the skin and accordingly close to the location of the scars. The growth of dermal extracellular matrix "bulks-up" irradiated dermal tissue. This makes the depressions of hypertrophic scars shallower and less apparent. The method has also been observed to cause shrinkage of enlarged pores.
An RF device includes a support structure. An RF electrode is coupled to the support structure and includes conductive and dielectric portions. A thermo-electric cooler is coupled to the support structure and is configured to cool a back surface of the RF electrode.
These and other objects of the present invention are achieved in a method for creating a desired tissue effect. An RF electrode is provided that includes a conductive portion. The RF electrode is coupled to a fluid delivery member that delivers a cooling fluidic medium to a back surface of the RF electrode. A dielectric is positioned on a skin surface. The RF electrode is coupled with the dielectric. RF energy is delivered from the RF electrode and the dielectric to the skin surface.
An apparatus for cooling a skin surface includes a support structure coupled to an electromagnetic energy delivery device. The electromagnetic energy delivery device is configured to be coupled to an electromagnetic energy source. A cooling member is coupled to the electromagnetic energy delivery device and is configured to create a reverse thermal gradient through a skin surface. A memory is coupled to the electromagnetic energy delivery device and is positioned at the support structure or the electromagnetic energy delivery device. The memory is configured to store information to facilitate operation of at least one of the cooling member, and the electromagnetic energy source. Resources are coupled to the cooling member to permit different levels of cooling at different times of treatment.
A handpiece has a handpiece assembly and includes a handpiece housing. An insert is detachably coupled to the handpiece housing. The insert includes an RF electrode with a conductive portion and a dielectric.
A method for treating a tissue site couples an energy delivery surface of an electromagnetic energy delivery device with a skin surface. An underlying tissue area beneath the skin surface is created. The cooling creates a reverse thermal gradient, where a temperature of the skin surface is less than a temperature of the underlying tissue area. Energy is delivered from the energy delivery device to the underlying tissue area. The energy delivery modifies the underlying tissue area and decreases irregularities of the skin surface.
