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    • 49. 发明授权
    • System for electromagnetic radiation dermatology and head for use therewith
    • US06508813B1
    • 2003-01-21
    • US09268433
    • 1999-03-12
    • Gregory Altshuler
    • Gregory Altshuler
    • A61B1818
    • A61B18/203A61B18/22A61B2017/00057A61B2017/00084A61B2017/00106A61B2017/00752A61B2017/00756A61B2017/00769A61B2018/00005A61B2018/00023A61B2018/00041A61B2018/00452A61B2018/00458A61B2018/00476A61B2018/1807A61B2018/2261A61B2090/065A61N5/0617
    • A system for treating a selected dermatologic problem and a head for use with such system are provided. The head may include an optical waveguide having a first end to which EM radiation appropriate for treating the condition is applied. The waveguide also has a skin-contacting second end opposite the first end, a temperature sensor being located within a few millimeters, and preferably within 1 to 2 millimeters, of the second end of the waveguide. A temperature sensor may be similarly located in other skin contacting portions of the head. A mechanism is preferably also provided for removing heat from the waveguide and, for preferred embodiments, the second end of the head which is in contact with the skin has a reflection aperture which is substantially as great as the radiation back-scatter aperture from the patient's skin. Such aperture may be the aperture at the second end of the waveguide or a reflection plate or surface of appropriate size may surround the waveguide or other light path at its second end. The portion of the back-scattered radiation entering the waveguide is substantially internally reflected therein, with a reflector being provided, preferably at the first end of the waveguide, for returning back-scattered light to the patient's skin. The reflector may be angle dependent so as to more strongly reflect back scattered light more perpendicular to the skin surface than back scattered radiation more parallel to the skin surface. Controls are also provided responsive to the temperature sensing for determining temperature at a predetermined depth in the patient's skin, for example at the DE junction, and for utilizing this information to detect good thermal contact between the head and the patient's skin and to otherwise control treatment. The head may also have a mechanism for forming a reflecting chamber under the waveguide and drawing a fold of skin therein, or for providing a second enlarged waveguide to expand the optical aperture of the radiation.
    • 50. 发明授权
    • Method and apparatus for hair removal
    • 脱毛方法和装置
    • US6080146A
    • 2000-06-27
    • US28416
    • 1998-02-24
    • Gregory AltshulerMichael Smotrich
    • Gregory AltshulerMichael Smotrich
    • A61B18/20A61B18/18
    • A61B18/203A61B2018/00452A61B2018/00476
    • A method and apparatus for the removal of, and at least inhibiting the regrowth of, unwanted hair by applying optical radiation to the follicle, including the hair shaft therein, of an energy, a duration and wavelength to enhance the optical absorption characteristics of at least some component, (i.e., melanosomes, tissue, etc.) of the follicle without appreciably damaging skin outside the follicle; and subsequently applying optical radiation to the follicle of a wavelength which is more readily absorbed by the components of the follicle having optical absorption characteristics enhanced during step (a) then by unenhanced components and of an energy and duration to heat such enhanced components sufficiently to substantially destroy the follicle. For preferred embodiments, melanosomes in the bulb of the follicle, and in other portions of the follicle are heated by the initial optical radiation sufficiently to at least partially darken such melanosomes by browning or carbonization, and such darkening also occurs in tissue surrounding the melanosomes. While a single pulse may be utilized to perform this function, it is preferably performed by a succession of pulses, with each successive pulse darkening additional components of the follicle. For one embodiment, this process is repeated until sufficient components of the follicle have been darkened so that the next pulse results in the substantial destruction of the follicle. Alternatively, the radiation for the second step may be either of a specific wavelength or a broad-band radiation which is more readily absorbed by the enhanced components than by unenhanced components, and of an energy and duration which is sufficient to result in the destruction of the follicle. Other variations on the basic technique are also possible.
    • 一种用于通过向包括其中的毛发的毛囊施加光学辐射去除并且至少抑制不需要的毛发的再生长的能量,持续时间和波长以增强至少的光学吸收特性的方法和装置 卵泡的一些组分(即,黑素体,组织等),而没有明显破坏卵泡外的皮肤; 并且随后将光辐射施加到波长的滤泡上,所述波长更容易被具有在步骤(a)期间增强的光吸收特征的滤泡组分吸收,然后通过未增强的组分和能量和持续时间来加热这些增强的组分,足以基本上 破坏卵泡。 对于优选的实施方案,卵泡的卵泡和卵泡的其它部分中的黑素体被初始的光学辐射充分加热,以通过褐变或碳化至少部分地使这些黑素体变暗,并且这种变暗也发生在黑素体周围的组织中。 虽然可以使用单个脉冲来执行该功能,但是优选地通过一系列脉冲来执行,其中每个连续脉冲使毛囊的附加组分变暗。 对于一个实施方案,重复该过程,直到卵泡的足够组分变暗,使得下一个脉冲导致卵泡的显着破坏。 或者,用于第二步骤的辐射可以是特定波长或宽带辐射,其比增强的组分更容易被增强的组分吸收,并且能量和持续时间足以导致破坏 卵泡。 基本技术的其他变化也是可能的。