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    • 6. 发明授权
    • Method of exfoliation of skin using closely-packed microstructures
    • 使用紧密堆积的微结构剥离皮肤的方法
    • US07828827B2
    • 2010-11-09
    • US10155108
    • 2002-05-24
    • Vladimir GartsteinFaiz Feisal Sherman
    • Vladimir GartsteinFaiz Feisal Sherman
    • A61B17/80
    • A61M37/0015A45D26/0004A61B17/205A61B17/54A61B2017/00761A61M2037/003
    • An improved method and apparatus is provided as a system to enhance skin appearance and health, in which skin is cleaned (or exfoliated) and conditioned by use of microelements affixed to a base element or hand-held patch. The dimensions of the microelements are controlled so as to remove a certain number of layers of skin cells and to accumulate those skin cells, along with other foreign substances, into areas between the microelements. In addition, a conditioning compound or therapeutic active can be applied to the exfoliated skin to enhance the skin. Moreover, the amount of accumulated skin cells represents a self-limiting maximum quantity that cannot be substantially exceeded regardless of the number of attempts by a user to re-use the microstructure apparatus. Some of the microstructures are designed with very close-packed microelements, which in some cases have flexible substrates.
    • 提供了一种改进的方法和装置,作为增强皮肤外观和健康的系统,其中皮肤被清洁(或剥离)并通过使用固定在基底元件或手持贴片上的微量元件进行调理。 控制微量元素的尺寸以去除一定数量的皮肤细胞层,并将这些皮肤细胞与其它外来物质一起积累在微量元素之间的区域中。 此外,调理化合物或治疗活性物质可以施用于剥离的皮肤以增强皮肤。 此外,无论使用者重复使用微结构装置的尝试次数多少,累积的皮肤细胞的量代表不能大幅超过的自限制最大量。 一些微结构被设计成非常紧密堆积的微量元素,其在一些情况下具有柔性基底。
    • 7. 发明授权
    • Methods of assessing characteristics of fibrous substrates and treating fibrous substrates
    • 评估纤维基材特性和处理纤维基材的方法
    • US07261000B2
    • 2007-08-28
    • US11113468
    • 2005-04-25
    • Faiz Feisal ShermanVladimir GartsteinHelen Rochelle KempThomas A. Sturgis
    • Faiz Feisal ShermanVladimir GartsteinHelen Rochelle KempThomas A. Sturgis
    • G01N3/00
    • A61Q5/12A61K8/00A61Q5/02A61Q5/06G01N22/04G01N33/4833
    • A method of assessing damage of a fibrous substrate comprises the steps of: (a) providing said fibrous substrate having a length, a root end, and a tip end; (b) providing a means for assessing substrate moisture content; (c) using said means for assessing substrate moisture content to obtain at least a first measured moisture content value for said fibrous substrate at a first position along the length of said fibrous substrate and a second measured moisture content value for said fibrous substrate at a second position along the length of said fibrous substrate; (d) comparing said measured moisture content values with each other to obtain a measured moisture content differential; and (e) correlating said measured moisture content differential to a substrate damage value for said fibrous substrate. A method of treating a fibrous substrate comprises the steps of: (a) assessing damage of the fibrous substrate according to the method described above to obtain a correlated substrate damage value for the fibrous substrate; (b) using the correlated substrate damage value to select at least one appropriate substrate treatment composition; and (c) applying the appropriate substrate treatment composition to the fibrous substrate.
    • 评估纤维基质的损伤的方法包括以下步骤:(a)提供具有长度,根端和末端的所述纤维基材; (b)提供评估底物含水量的方法; (c)使用所述用于评估底物含水量的装置,以在沿着所述纤维基材的长度的第一位置处获得至少第一测量的所述纤维基材的水分含量值,并且在第二步中获得用于所述纤维基材的第二测量的水分含量值 沿着所述纤维基材的长度的位置; (d)将所测量的水分含量值相互比较以获得测得的含湿量差; 和(e)将所述测得的水分含量差异与所述纤维基质的底物损伤值相关联。 处理纤维基材的方法包括以下步骤:(a)根据上述方法评估纤维基材的损伤,以获得纤维基材的相关的基材损伤值; (b)使用相关的底物损伤值来选择至少一种适当的底物处理组合物; 和(c)将合适的底物处理组合物施加到纤维基材上。
    • 9. 发明授权
    • Intracutaneous microneedle array apparatus
    • 内皮微针阵列装置
    • US06379324B1
    • 2002-04-30
    • US09328947
    • 1999-06-09
    • Vladimir GartsteinDragan Danilo NebrigicGrover David OwensFaiz Feisal ShermanVadim Vladimirovich Yuzhakov
    • Vladimir GartsteinDragan Danilo NebrigicGrover David OwensFaiz Feisal ShermanVadim Vladimirovich Yuzhakov
    • A61B1720
    • B81C99/0085A61B5/14514A61B5/150022A61B5/150099A61B5/150282A61B5/150389A61B5/150412A61B5/150458A61B5/150969A61B5/150984A61M37/0015A61M2037/0023A61M2037/003A61M2037/0053B29L2031/7544B29L2031/756B81B2201/055
    • A first embodiment microneedle array is constructed of silicon and silicon dioxide compounds using MEMS technology and standard microfabrication techniques to create hollow cylindrical individual microneedles. The resulting array of microneedles can penetrate with a small pressure through the stratum corneum of skin to either deliver drugs or to facilitate interstitial fluid sampling through the hollow microneedles into the epidermis. The delivery of drugs and sampling of fluids can be performed by way of passive diffusion (time release), instantaneous injection, or iontophoresis. In a second embodiment, an array of hollow (or solid) microneedles is constructed of plastic or some other type of molded or cast material. An electric field may be used to increase transdermal flow rate, and the microneedles can be effectively combined with the application of an electric field between an anode and cathode attached to the skin which causes a low-level electric current. As a drug delivery system, the microneedle array includes electrodes that apply an electric potential to the skin between the electrode locations. One of the electrode assemblies is filled with an ionized drug, and the charged drug molecules move into the body due to the applied electric potential. As a body-fluid sampling system, the microneedle array also includes electrodes to assist in moving fluid from the body into a receiving chamber, and which further includes a bioelectrochemical sensor to measure the concentration of a particular substance.
    • 第一实施例微针阵列由硅和二氧化硅化合物构成,使用MEMS技术和标准微加工技术来制造中空圆柱形单个微针。 所得的微针阵列可以通过皮肤的角质层穿透小的压力,以递送药物或促进通过空心微针进入表皮的间质液取样。 可以通过被动扩散(时间释放),瞬时注射或离子电渗法进行药物的输送和液体取样。 在第二实施例中,中空(或固体)微针的阵列由塑料或其它类型的模制或铸造材料构成。 可以使用电场来增加透皮流速,并且可以将微针与附着在皮肤上的阳极和阴极之间的电场的施加有效地组合,这导致低电平电流。 作为药物递送系统,微针阵列包括在电极位置之间向皮肤施加电位的电极。 电极组件中的一个填充有电离药物,并且带电药物分子由于施加的电位而进入体内。 作为体液采样系统,微针阵列还包括有助于将流体从身体移动到接收室中的电极,并且还包括用于测量特定物质浓度的生物电化学传感器。
    • 10. 发明授权
    • Microstructures and method for treating and conditioning skin which cause less irritation during exfoliation
    • 用于治疗和调理皮肤的微结构和方法,其在剥离期间引起较少的刺激
    • US07131987B2
    • 2006-11-07
    • US10154686
    • 2002-05-24
    • Faiz Feisal ShermanVladimir Gartstein
    • Faiz Feisal ShermanVladimir Gartstein
    • H61M35/00
    • A45D26/0004A61B17/205A61B17/322A61B17/54A61B2017/00761A61B2017/00765A61B2017/320008A61M37/0015A61M2037/0023A61M2037/003A61M2037/0038A61M2037/0046A61M2037/0053
    • An improved method is provided to enhance skin appearance and health, in which skin is cleaned (or exfoliated) and conditioned by use of microelements affixed to a base element or hand-held patch. For the microstructure used in the improved method, the dimensions of the microelements are controlled so as to remove a certain number of layers of skin cells and to accumulate and retain those skin cells, along with other foreign substances, into areas between the microelements. In another embodiment of the improved method, a conditioning compound or therapeutic active can be applied to the exfoliated skin to enhance the skin. Moreover, the amount of skin cells accumulated using the improved method represents a self-limiting maximum quantity that cannot be substantially exceeded regardless of the number of attempts by a user to re-use the microstructure apparatus associated with the improved method. Some of the microelement shapes are purposefully designed with distal ends that exhibit sharp edges rather than sharp tips to reduce skin irritation resulting from use of the improved method.
    • 提供了一种改进的方法来增强皮肤的外观和健康,其中皮肤被清洁(或剥离)并通过使用固定在基底元件或手持贴片上的微量元件进行调理。 对于改进方法中使用的微结构,控制微量元素的尺寸以去除一定数量的皮肤细胞层,并将这些皮肤细胞与其他异物一起积聚并保留在微元件之间的区域中。 在改进方法的另一个实施方案中,调理化合物或治疗活性物质可以施用于剥离的皮肤以增强皮肤。 此外,使用改进方法累积的皮肤细胞的量代表不能基本超过的自限制最大量,而不管使用者重新使用与改进方法相关联的微结构装置的尝试次数。 一些微量元素形状被有目的地设计为具有尖锐边缘而不是尖锐尖端的远端,以减少由于使用改进的方法导致的皮肤刺激。