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Method and apparatus for producing thermal damage within the skin
专利权人:
发明人:
申请号:
EP12194020.9
公开号:
EP2578175A3
申请日:
2007.04.09
申请国别(地区):
EP
年份:
2013
代理人:
摘要:
A method and apparatus are provided for treating dermatological conditions, in which a first beam of radiation is used to ablate a hole in skin tissue, and a second beam of radiation is directed into the hole and onto a region of skin tissue adjacent to and/or at the bottom of the hole. The first beam can be provided by an ablative laser such as a CO2 laser or an ER:YAG laser. The second beam can be provided by, e.g., an ablative laser operating at a lower peak power level than the first beam, a non-ablative laser, a flashlamp, a tungsten lamp, a diode or a diode array. A controlled amount of thermal damage can thereby be provided at a desired depth within the skin, using radiation sources that would be absorbed closer to the surface of the skin if an ablated hole were not present. Cooling and/or freezing of the skin prior to ablation can be provided to provide an analgesic effect and/or stabilize the tissue surrounding the ablated hole. The region of skin to be treated can optionally be pulled towards the radiation source using a vacuum to stretch and/or stabilize the skin tissue surrounding the volume to be ablated.
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