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    • 8. 发明申请
    • Apparatus for automated fresh tissue sectioning
    • 用于自动新鲜组织切片的装置
    • US20050238539A1
    • 2005-10-27
    • US10816016
    • 2004-04-01
    • Gal ShafirsteinScott FergusonLouis FinkPaula NorthMilton Waner
    • Gal ShafirsteinScott FergusonLouis FinkPaula NorthMilton Waner
    • B01L3/00B23Q15/24C12M3/08G01N1/04G01N1/06
    • G01N1/06C12M45/07G01N2001/045
    • An apparatus for sectioning fresh unfixed tissue into very thin layers with preserved tissue architecture, antigenicity, mRNA content, and amenable to 3-D computer reconstruction. An electro-discharge machine (EDM) to accurately slice tissues through electro-dissociation of the tissue without mechanical or thermal damage. The tissue sample is placed on a holder submerged in a cooling bath comprising a liquid such as saline or water to minimize thermal effects and to provide a sink for dissociated ions. A cutting tool is electrically biased with respect to the tissue sample. A computer controlled EDM machine with x-y-z translation stage slices the tissue as defined by a predetermined program. The liquid in the cooling bath may be cooled to minimize tissue heating during cutting. In a preferred embodiment, the cutting tool may use focused RF energy to produce consecutive thin sections of fresh tissue for immunohistochemical and nucleic acids analyses by electro-dissociation without mechanical or thermal damage, ultimately allowing high-resolution volumetric reconstruction of gene and protein expression patterns of large tissue specimens.
    • 将新鲜未固定组织切片成非常薄的装置,其具有保存的组织结构,抗原性,mRNA含量,并适用于3-D计算机重建。 一种放电机(EDM),用于通过组织的电解解来精确地切片组织,而没有机械或热损伤。 将组织样品放置在浸没在包含液体如盐水或水的冷却浴中的保持器上以最小化热效应并提供用于离解离子的沉淀。 切割工具相对于组织样品被电偏置。 具有x-y-z平移台的计算机控制的电火花成型机根据预定的程序限定组织切片。 冷却浴中的液体可以被冷却以最小化切割期间的组织加热。 在优选实施例中,切割工具可以使用聚焦RF能量来产生新鲜组织的连续薄片,用于免疫组织化学和核酸分析,通过电解解而没有机械或热损伤,最终允许基因和蛋白质表达模式的高分辨率体积重建 的大组织标本。
    • 10. 发明申请
    • Tissue electro-sectioning apparatus
    • 组织电切机
    • US20050220674A1
    • 2005-10-06
    • US11091873
    • 2005-03-28
    • Gal ShafirsteinScott FergusonLouis FinkRichard Ulrich
    • Gal ShafirsteinScott FergusonLouis FinkRichard Ulrich
    • B01L3/00B23Q15/24C12M3/08G01N1/04G01N1/06
    • G01N1/06C12M45/07G01N2001/045
    • An apparatus for sectioning fresh unfixed tissue into very thin layers with preserved tissue architecture, antigenicity, mRNA content, and amenable to 3-D computer reconstruction without mechanical or thermal damage by employing a sectioning tool having an electrode with an intense focused electrical field at an edge. A computer controlled x-y-z translation stage moves the sectioning tool through the tissue as defined by a predetermined program. The sectioning tool produces consecutive thin sections of fresh tissue for immunohistochemical and nucleic acids analyses without mechanical or thermal damage, ultimately allowing high-resolution volumetric reconstruction of gene and protein expression patterns of large tissue specimens. The geometry of the sectioning tool is selected so as to produce a spatially localized electrical field of sufficient intensity to sever molecular bonds or propagate flaws in tissue without mechanical cutting.
    • 一种用于将新鲜未固定组织切割成具有保护的组织结构,抗原性,mRNA含量的非常薄的层的装置,并且适用于没有机械或热损伤的3-D计算机重建,通过采用具有电场强度聚焦电场的切片工具 边缘。 计算机控制的x-y-z平移台通过由预定程序定义的组织移动切片工具。 切片工具可生成连续薄片的新鲜组织,用于免疫组织化学和核酸分析,无机械或热损伤,最终允许高分辨率体积重建大组织标本的基因和蛋白质表达模式。 选择切片工具的几何形状以产生足够强度的空间局部电场,以切断分子键或传播组织中的缺陷而无需机械切割。