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    • 1. 发明申请
    • System and method for enhancing confocal reflectance images of tissue specimens
    • 用于增强组织标本的共焦反射图像的系统和方法
    • US20070070497A1
    • 2007-03-29
    • US11601203
    • 2006-11-17
    • Jay EastmanMilind RajadhyakshaJames Zavislan
    • Jay EastmanMilind RajadhyakshaJames Zavislan
    • G02B21/06
    • G02B21/0068A61K49/001G01N33/5743
    • A system using cross polarization effects and an enhancement agent having citric or other similar alpha hydroxy acid to enhance confocal microscope reflectance images and particularly images of the nuclei of BCCs (basal cell carcinomas) and SCCs (squamous cell carcinomas) in the confocal reflectance images of excised tumor slices obtained during Mohs surgery by illuminating the tissue being imaged (a tumor slice) using polarized light. The reflected illumination is passed to a polarization analyzer, which passes the polarization component which is crossed with respect to the polarization of the illuminating light. The light from the analyzer is passed through the confocal aperture and detected. The section of the tissue either at the surface or within the tissue is scanned and the reflectance image is produced with enhanced visualization of the cellular or nuclear structure thereof thereby enabling determination of the extent of the tumor (cancerous cells) in the section. A method is also provided using the system for diagnosing cancerous cells in skin tissue.
    • 使用交叉极化效应的系统和具有柠檬酸或其它类似α羟基酸的增强剂来增强共聚焦显微镜反射图像,特别是BCC(基底细胞癌)和SCC(鳞状细胞癌)的核的图像在共聚焦反射图像中 通过使用偏振光照射被成像的组织(肿瘤切片)在Mohs手术期间获得的切除的肿瘤切片。 反射的照明被传递到偏振分析器,偏振分析器使相对于照明光的偏振交叉的偏振分量通过。 来自分析仪的光通过共焦孔并检测。 扫描在表面或组织内的组织的部分,并且通过细胞或核结构的增强的可视化产生反射图像,从而能够确定该部分中肿瘤(癌细胞)的程度。 还提供了一种用于诊断皮肤组织中的癌细胞的系统的方法。
    • 3. 发明申请
    • System for macroscopic and confocal imaging of tissue
    • 用于组织的宏观和共焦成像的系统
    • US20070206275A1
    • 2007-09-06
    • US11357234
    • 2006-02-17
    • Paul HemmerZachary EastmanJay EastmanWilliam FoxJames Zavislan
    • Paul HemmerZachary EastmanJay EastmanWilliam FoxJames Zavislan
    • G02B21/06
    • G02B21/0012G02B21/0024G02B21/365
    • A system for macroscopic and confocal imaging of tissue having a macroscopic imager for capturing a macroscopic image of the tissue's surface, a confocal imager for capturing one or more optically formed sectional microscopic images on or within tissue, a computer for receiving images from such imagers, and a tissue attachment device in which the macroscopic imager and confocal imager are each individually presented to the tissue utilizing the tissue attachment device in a predefined alignment, such that imaging locations of the confocal imager with respect to the tissue surface spatially correlate with macroscopic image. A user interface is operable on the computer to enable display of the macroscopic image on a display coupled to the computer, and to indicate a region within the macroscopic image associated with the field of view of the tissue imagable by the confocal imager. The user interface enables graphical tracking and targeting of imaging locations of the confocal imager in macroscopic image, and marking on the macroscopic image of the locations of confocal images with respect to the tissue surface.
    • 一种具有用于捕获组织表面的宏观图像的宏观成像器的组织的宏观和共焦成像系统,用于捕获组织上或组织内的一个或多个光学形成的截面微观图像的共焦成像器,用于从这样的成像器接收图像的计算机, 以及组织附着装置,其中宏观成像器和共聚焦成像器各自以预定对准单独地呈现给组织,使得共焦成像器相对于组织表面的成像位置在空间上与宏观图像相关。 用户界面在计算机上可操作以使得能够在耦合到计算机的显示器上显示宏观图像,并且指示与由共焦成像器可成像的组织的视场相关联的宏观图像内的区域。 用户界面能够在宏观图像中进行图像跟踪和共焦成像器的成像位置的瞄准,并且在相对于组织表面的共聚焦图像的位置的宏观图像上进行标记。
    • 6. 发明授权
    • Bar code reading systems having electrical power conservation and laser
radiation power limiting means
    • 具有电功率节省和激光辐射功率限制装置的条形码读取系统
    • US5019698A
    • 1991-05-28
    • US390020
    • 1989-08-07
    • Jay Eastman
    • Jay Eastman
    • G06K7/10
    • G06K7/10841G06K7/10851G06K2207/1018
    • Bar code readers using laser diodes conserve electrical power and limit output laser radiation to levels required by governmental regulation (1 milliwatt average power) by utilizing a laser diode having a output optical power vs laser current characteristic which has a slope efficiency (the ratio of the change in power to the change in current, .DELTA.P/.DELTA.I, which is less than 1 in the region where stimulated (laser) emission occurs. The laser is operated with current pulses having a duty cycle less than 100%, and preferably in the range from 50% to 20% in the stimulated emission region of its characteristic, such that the average output laser power does not exceed the level required by government regulations (1 mw) while the laser output during the pulses is greater than 1 mw. Upon detection after reflection or scattering (return of light) from the bar code, the optical signal is photodetected to provide an electrical signal which is envelope detected and components of the signal at the repetition rate of the current pulses are removed, as by filtering. The filtered signal is digitized to provide a digital signal from which the bar code may be decoded.
    • 使用激光二极管的条形码读取器通过利用具有输出光功率与激光电流特性的激光二极管来节省电力并将输出激光辐射限制在政府调节所需的水平(1毫瓦平均功率)上,该激光二极管具有斜率效率 在激发(激光)发射的区域中,电流变化的功率变化DELTA P / DELTA I小于1,激光器的工作周期小于100%的电流脉冲,最好在 其特征的受激发射区域的范围从50%到20%,使得平均输出激光功率不超过政府规定要求的水平(1mw),而脉冲期间的激光输出大于1mw。 在从条形码反射或散射(返回光)之后检测到,光信号被光电检测,以提供被包络检测的电信号和信号的分量 以当前脉冲的重复率被除去,如通过滤波。 经滤波的信号被数字化以提供可以从其解码条形码的数字信号。