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    • 1. 发明申请
    • HAIR-GROWTH CONTROL DEVICE AND HAIR-GROWTH CONTROL METHOD
    • 头发生长控制装置和头发生长控制方法
    • WO2006120635A2
    • 2006-11-16
    • PCT/IB2006/051438
    • 2006-05-08
    • KONINKLIJKE PHILIPS ELECTRONICS N.V.VAN HAL, Robbert, A., M.VERHAGEN, RiekoROOSEN, GuidoROERSMA, Michiel, E.
    • VAN HAL, Robbert, A., M.VERHAGEN, RiekoROOSEN, GuidoROERSMA, Michiel, E.
    • A61B18/20
    • A61B18/203A61B18/20A61B2018/00452A61B2018/00476A61B2018/00904
    • The invention relates to a device (1) for hair-growth control of hairs (3), in particular hairs growing from human skin (5). The device (1) has a laser source (7) for generating a laser beam (9) during a pulse time, an optical system (15) for focusing the laser beam into a focal spot (25), and a laser beam manipulator (17) for positioning the focal spot in a target position. According to the invention, a dimension of the focal spot (25) and a power of the generated laser beam (9) are such that, in the focal spot (25), the laser beam has a power density which is above a characteristic threshold value for hair-growth related skin tissue above which, for the pulse time, a laser induced optical breakdown (LIOB) phenomenon occurs in the hair-growth related skin tissue. The LIOB phenomenon results in a number of mechanical effects, such as cavitation and the generation of shock waves, which damage the hair-growth related skin tissue in positions surrounding the LIOB phenomenon. An advantage of the device (1) according to the invention is that the amount of total energy which is necessary to cause trauma and induce (semi-)permanent cessation of hair-growth is at such a level that irritation and damage of the surrounding skin tissue is very limited or even completely prevented.
    • 本发明涉及一种用于毛发(3)的毛发生长控制的装置(1),特别是从人体皮肤生长的毛发(5)。 设备(1)具有用于在脉冲时间期间产生激光束(9)的激光源(7),用于将激光束聚焦到焦斑(25)中的光学系统(15)和激光束操纵器 17),用于将焦点定位在目标位置。 根据本发明,焦点(25)的尺寸和所产生的激光束(9)的功率使得在焦点(25)中,激光束的功率密度高于特征阈值 对于毛发生长相关的皮肤组织,其中在脉冲时间,在毛发生长相关的皮肤组织中发生激光诱导的光学破坏(LIOB)现象。 LIOB现象导致许多机械效应,例如气蚀和产生冲击波,其损害围绕LIOB现象的位置的毛发生长相关的皮肤组织。 根据本发明的装置(1)的优点在于,引起创伤和引发(半)永久性头发生长停止所需的总能量的量处于使周围皮肤发生刺激和损伤的程度 组织非常有限或甚至完全防止。
    • 3. 发明申请
    • A DEVICE FOR TREATING HUMAN SKIN BY MEANS OF RADIATION
    • 用于通过辐射处理人体皮肤的装置
    • WO2004054458A1
    • 2004-07-01
    • PCT/IB2003/005263
    • 2003-11-18
    • KONINKLIJKE PHILIPS ELECTRONICS N.V.VAN HAL, Robbert, A., M.BAKKER, Bernardus, L., G.ROERSMA, Michiel, E.BJERRING, Peter
    • VAN HAL, Robbert, A., M.BAKKER, Bernardus, L., G.ROERSMA, Michiel, E.BJERRING, Peter
    • A61B18/20
    • A61B18/203A61B2018/00011A61B2018/00452A61B2018/00476A61B2018/1807
    • The invention relates to a device (1) for treating human skin by means of radiation. The device has a housing (5) with a radiation exit opening (13), a radiation source (9) which is accommodated in the housing, and a radiation path (15) between the radiation source and the radiation exit opening. A radiation filter (17) is provided in the radiation path. According to the invention the radiation filter (17) comprises water (23) which is in solid state at least during an initial phase of operation of the device (1). The water in solid state has an optical transmission spectrum which corresponds to the optical transmission spectrum of water in liquid state as present in the skin. As a result the water in solid state acts as an ideal filter for the IR light and near IR light, which would otherwise be absorbed by the water in the skin and cause unwanted heating of the skin. An additional advantage of the water in solid state is its relatively high heat absorbing capacity and its ability to cool the skin in case of direct thermal contact with the skin. In a particular embodiment the device (1) is an epilator for the removal of hairs from the human skin, the radiation source (9) being a flash lamp which generates light pulses having a high energy density and a broad optical spectrum.
    • 本发明涉及一种用于通过辐射处理人体皮肤的装置(1)。 该装置具有壳体(5),其具有辐射出口(13),容纳在壳体中的辐射源(9)和辐射源与辐射出口之间的辐射路径(15)。 辐射过滤器(17)设置在辐射路径中。 根据本发明,辐射过滤器(17)包括至少在设备(1)的初始操作阶段期间处于固态的水(23)。 固态的水具有对应于存在于皮肤中的处于液态的水的光透射光谱的光透射光谱。 因此,固态的水作为IR光和近红外光的理想过滤器,否则会被皮肤中的水吸收并引起皮肤不必要的加热。 固体状态下的水的另外的优点是其相对较高的吸热能力以及在与皮肤直接热接触的情况下冷却皮肤的能力。 在特定实施例中,装置(1)是用于从人体皮肤去除毛发的脱毛器,所述辐射源(9)是产生具有高能量密度和宽光谱的光脉冲的闪光灯。
    • 10. 发明申请
    • SKIN TREATING DEVICE COMPRISING A PROTECTED RADIATION EXIT OPENING
    • 包含保护性辐射离开开口的皮肤处理装置
    • WO2002078559A1
    • 2002-10-10
    • PCT/IB2002/000641
    • 2002-03-04
    • KONINKLIJKE PHILIPS ELECTRONICS N.V.
    • CENSE, Abraham, J.SIMONSEN, JanROERSMA, Michiel, E.SCHLANGEN, Lucas, J., M.NUIJS, Antonius, M.
    • A61B18/20
    • A61B18/203A61B18/20A61B2017/00026A61B2017/00057A61B2018/00452A61B2018/00476A61B2018/00904A61B2018/1807A61B2090/065
    • The invention relates to a device (1) for the treatment of skin (7) by means of radiation. The device comprises a housing (3) accommodating a radiation source (9) and having an exit opening (15) for the radiation. The device has a control unit (37) which activates the radiation source only if the presence of the skin immediately in front of the exit opening is detected by a detector (43) that co-operates with the control unit. As a result, the radiation source cannot be activated if the exit opening is not covered. Preferably, the detector is suitable for measuring a scattering and/or absorption coefficient of the skin for light having a predetermined wavelength. Alternatively, the detector is suitable for measuring a reflection coefficient of the skin for light having a predetermined wavelength. In a preferred embodiment, in which the detector is provided in a skin contact element (21) in which the exit opening (15) is provided, the detector also detects the presence of the skin against the skin contact member. The invention can be used, for example, in a hair removing device (1, 1', 83) such as a laser epilator, a laser shaver or a flashlight epiilator, but also in devices for the medical treatment of skin by means of radiation, such as photodermatology systems.
    • 本发明涉及一种用于通过辐射处理皮肤(7)的装置(1)。 该装置包括容纳辐射源(9)并且具有用于辐射的出口(15)的壳体(3)。 该装置具有控制单元(37),只有当紧邻在出口前面的皮肤的存在被与控制单元配合的检测器(43)检测到时才激活辐射源。 结果,如果出口不被覆盖,则辐射源不能被激活。 优选地,检测器适于测量具有预定波长的光的皮肤的散射和/或吸收系数。 或者,检测器适于测量具有预定波长的光的皮肤的反射系数。 在其中检测器设置在其中设置有出口开口(15)的皮肤接触元件(21)中的优选实施例中,检测器还检测皮肤对皮肤接触构件的存在。 本发明可以用于例如激光脱毛器,激光剃须刀或手电筒外露头等脱毛装置(1,1',83)中,也可用于通过放射线治疗皮肤的装置 ,如光化学系统。