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    • 3. 发明申请
    • IMPROVED HAIR REMOVAL METHOD
    • 改进的头发去除方法
    • WO1997042849A1
    • 1997-11-20
    • PCT/US1997008060
    • 1997-05-13
    • THERMOTREX CORPORATIONTANKOVICH, Nikolai, I.ZHAO, Zhong-QuanFAIRCHILD, Paul
    • THERMOTREX CORPORATION
    • A45D26/00
    • A61M37/00A61B18/1442A61B18/20A61B18/203A61B2017/00747A61B2017/00752A61B2017/00761A61B2017/22085A61B2018/00452A61B2018/00476A61B2217/005A61M37/0092A61M2037/0007A61N5/0616A61N5/062A61N2005/067
    • This invention is a process for the long term or permanent prevention of unwanted hair (33). The upper portions of hair ducts (31) in a section of skin are infiltrated with a contaminant having a high absorption at at least one frequency band of light. The skin is illuminated during a two-phase process. In a mechanical phase, the skin section is illuminated by a laser with at least one pulse of light sufficient to cause tiny explosions in the contaminant forcing portions of the contaminant more deeply into the hair ducts. During a thermal phase, the skin section is illuminated so as to heat the contaminant substantially without further explosion or vaporization of the contaminant. The hot contaminant heats portions of the skin tissue immediately surrounding the contaminant to a temperature high enough to devitalize the tissue. A cleanup phase may follow where a few more pulses cause additional explosions in and vaporization of portions of the contaminant remaining in the ducts causing additional damage to the skin tissue immediately surrounding the contaminant.
    • 本发明是长期或永久防止不需要的毛发的方法(33)。 皮肤部分中的发道(31)的上部在至少一个光频带处具有高吸收的污染物渗透。 皮肤在两相过程中被照亮。 在机械相中,皮肤部分被激光照射,其具有至少一个足够的光脉冲,使得污染物中的微小爆炸力使污染物的一部分更深地进入发道。 在热相期间,照射皮肤部分,以便基本上加热污染物,而不会进一步爆炸或蒸发污染物。 热污染物将紧邻污染物周围的皮肤组织的部分加热至足以使组织失活的温度。 清除阶段可能会在几个更多的脉冲引起额外的爆炸和残留在管道中的污染物的部分蒸发,导致对污染物立即周围的皮肤组织的额外损害。