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    • 4. 发明授权
    • Microporation of human skin for monitoring the concentration of an
analyte
    • 用于监测分析物浓度的人皮肤的微孔
    • US5885211A
    • 1999-03-23
    • US776863
    • 1997-09-05
    • Jonathan A. EppsteinMichael R. HatchDifei Yang
    • Jonathan A. EppsteinMichael R. HatchDifei Yang
    • A61B5/00A61B10/00A61B17/00A61B17/32A61B18/20A61K41/00A61K49/22A61M37/00
    • A61B5/681A61B10/0045A61B5/14514A61B5/1486A61K41/0047A61K49/22A61M37/0092A61B17/3203A61B18/20A61B18/203A61B2017/00172A61B2017/00761A61B2017/00765A61B2018/00452A61B2018/0047A61B2562/0295A61M2037/0007
    • A method of enhancing the permeability of the skin to an analyte for diagnostic purposes or to a drug for therapeutic purposes is described utilizing microporation and optionally sonic energy and a chemical enhancer. If selected, the sonic energy may be modulated by means of frequency modulation, amplitude modulation, phase modulation, and/or combinations thereof. Microporation is accomplished by (a) ablating the stratum corneum by localized rapid heating of water such that such water is vaporized, thus eroding the cells; (b) puncturing the stratum corneum with a micro-lancet calibrated to form a micropore of up to about 1000 .mu.m in diameter; (c) ablating the stratum corneum by focusing a tightly focused beam of sonic energy onto the stratum corneum; (d) hydraulically puncturing the stratum corneum with a high pressure jet of fluid to form a micropore of up to about 1000 .mu.m in diameter, or (e) puncturing the stratum corneum with short pulses of electricity to form a micropore of up to about 1000 .mu.m in diameter. A dye with an absorption maximum matched to the wavelength of a pulsed light source can be absorbed into the stratum corneum to concentrate the energy of the pulsed light source and aid in ablation of the stratum corneum. Alternatively, a hot wire can be caused to contact the stratum corneum.
    • PCT No.PCT / US96 / 13865 Sec。 371日期:1997年9月5日 102(e)1997年9月5日PCT PCT 1996年8月29日PCT公布。 公开号WO97 / 07734 日期1997年3月6日利用微孔和任选的声能和化学增强剂描述了增强皮肤对诊断目的的分析物或用于治疗目的的药物的渗透性的方法。 如果选择,则可以通过频率调制,幅度调制,相位调制和/或其组合来调制声能。 通过(a)通过局部快速加热水来消融角质层,使得这种水被蒸发,从而侵蚀细胞来实现微孔化; (b)用经过校准的微型刺血针刺穿角质层以形成直径约达1000微米的微孔; (c)通过将紧密聚焦的声能束聚焦在角质层上来消融角质层; (d)用高压喷射流体水力刺穿角质层以形成直径达约1000μm的微孔,或(e)以短脉冲电穿刺角质层以形成高达约 直径1000亩。 具有与脉冲光源的波长匹配的吸收最大值的染料可以被吸收到角质层中以集中脉冲光源的能量并有助于消除角质层。 或者,可以使热丝接触角质层。
    • 6. 发明授权
    • Integrated poration, harvesting and analysis device, and method therefor
    • 综合栽培,收获和分析装置及其方法
    • US06922578B2
    • 2005-07-26
    • US10671006
    • 2003-09-25
    • Jonathan A. EppsteinMark A. SamuelsMichael R. Hatch
    • Jonathan A. EppsteinMark A. SamuelsMichael R. Hatch
    • A61M37/00A61B5/00A61B10/00A61B17/00A61K41/00A61K45/00A61B5/05
    • A61B5/15134A61B5/14514A61B5/14532A61B5/1455A61B5/150022A61B5/150068A61B5/150083A61B5/150099A61B5/150229A61B5/150358A61B5/15136A61B5/157A61B2010/008A61B2017/00172A61B2562/12A61K41/0047
    • An integrated device for poration of biological tissue, harvesting a biological fluid from the tissue, and analysis of the biological fluid. The device comprises a tissue-contacting layer having an electrically or optically heated probe to heat and conduct heat to the tissue to form at least one opening, such as a micropore to collect biological fluid from the opening, and a detecting layer responsive to the biological fluid to provide an indication of a characteristic of the biological fluid, such as the concentration of an analyte in interstitial fluid. In the embodiment in which, the probe comprises a photosensitizing assembly designed for the uniform application of a photosensitizing material, such as, for example, a dye or a pigment, to a tissue, e.g., the stratum comeum. In one embodiment, the photosensitizing assembly comprises photosensitizing material combined with a carrier, such as, for example, an adhesive or an ink, and the resulting combination is applied to a substrate, such as, for example, an inert polymeric substrate to form a photosensitizing assembly. In another embodiment, the photosensitizing assembly comprises photosensitizing material incorporated into a film-forming polymeric material.
    • 用于生物组织的装配,从组织收获生物流体和生物流体分析的综合装置。 该装置包括具有电或光学加热的探针的组织​​接触层,以加热和传导热量到组织以形成至少一个开口,例如从孔开始收集生物流体的微孔,以及响应生物学的检测层 流体以提供生物流体的特征的指示,例如间质液中分析物的浓度。 在其中探针包括设计用于将光敏材料(例如染料或颜料)均匀施用于组织例如层状物的光敏组合物的实施方案中。 在一个实施方案中,光敏组合物包含与载体(例如粘合剂或油墨)组合的光敏材料,并将所得组合物施加到基材上,例如惰性聚合物基材以形成 光敏组装。 在另一个实施方案中,光敏组合物包含掺入成膜聚合物材料中的光敏材料。
    • 8. 发明授权
    • Microporation of human skin for drug delivery and monitoring applications
    • 人类皮肤微量药物输送和监测应用
    • US6142939A
    • 2000-11-07
    • US208166
    • 1998-12-09
    • Jonathan A. EppsteinMichael R. HatchDifei Yang
    • Jonathan A. EppsteinMichael R. HatchDifei Yang
    • A61B5/00A61B10/00A61B17/00A61B17/32A61B18/20A61K41/00A61K49/22A61M37/00
    • A61B5/681A61B10/0045A61B5/14514A61B5/1486A61K41/0047A61K49/22A61M37/0092A61B17/3203A61B18/20A61B18/203A61B2017/00172A61B2017/00761A61B2017/00765A61B2018/00452A61B2018/0047A61B2562/0295A61M2037/0007
    • A method of enhancing the permeability of the skin to an analyte for diagnostic purposes or to a drug for therapeutic purposes is described utilizing microporation and optionally sonic energy and a chemical enhancer. If selected, the sonic energy may be modulated by means of frequency modulation, amplitude modulation, phase modulation, and/or combinations thereof. Microporation is accomplished by (a) ablating the stratum corneum by localized rapid heating of water such that such water is vaporized, thus eroding the cells; (b) puncturing the stratum corneum with a micro-lancet calibrated to form a micropore of up to about 1000 .mu.m in diameter; (c) ablating the stratum corneum by focusing a tightly focused beam of sonic energy onto the stratum corneum; (d) hydraulically puncturing the stratum corneum with a high pressure jet of fluid to form a micropore of up to about 1000 .mu.m in diameter, or (e) puncturing the stratum corneum with short pulses of electricity to form a micropore of up to about 1000 .mu.m in diameter. A dye with an absorption maximum matched to the wavelength of a pulsed light source can be absorbed into the stratum corneum to concentrate the energy of the pulsed light source and aid in ablation of the stratum corneum. Alternatively, a hot wire can be caused to contact the stratum corneum.
    • 使用微孔和任选的声能和化学增强剂来描述增强皮肤对用于诊断目的的分析物的渗透性或用于治疗目的的药物的方法。 如果选择,则可以通过频率调制,幅度调制,相位调制和/或其组合来调制声能。 通过(a)通过局部快速加热水来消融角质层,使得这种水被蒸发,从而侵蚀细胞来实现微孔化; (b)用经过校准的微型刺血针刺穿角质层以形成直径约达1000微米的微孔; (c)通过将紧密聚焦的声能束聚焦在角质层上来消融角质层; (d)用高压喷射流体水力刺穿角质层以形成直径达约1000μm的微孔,或(e)以短脉冲电穿刺角质层以形成高达约 直径1000亩。 具有与脉冲光源的波长匹配的吸收最大值的染料可以被吸收到角质层中以集中脉冲光源的能量并有助于消除角质层。 或者,可以使热丝接触角质层。