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    • 2. 发明授权
    • Method and apparatus for quantification of optical properties of superficial volumes
    • 用于量化表面体积的光学性质的方法和装置
    • US07304724B2
    • 2007-12-04
    • US11104033
    • 2005-04-12
    • Anthony J. DurkinSheng-Hao Tseng
    • Anthony J. DurkinSheng-Hao Tseng
    • G01N21/00
    • G01N21/49G01N21/31G01N21/3563G01N2201/08
    • A device and method for accurately performing quantitative diffuse optical spectroscopy on a sample includes a light source and a source optical fiber that is optically coupled to the light source. A diffuser material is interposed between the source optical fiber and the sample, the diffuser material comprising a high scattering, low absorption material. The diffuser material effectively increases the photon path length from the light source to the sample, which limits the depth of interrogation to superficial volumes despite the penetrating nature of the radiation typically used. A detector optical fiber is provided adjacent to or laterally disposed from the source optical fiber. The detector optical fiber is coupled to a detector which detects photons collected in the detector optical fiber. The detector optical fiber and the source optical fiber may be separated by a distance of less than 5 mm while still permitting the diffusion approximation to remain valid.
    • 用于在样品上精确地进行定量扩散光谱的装置和方法包括光源和光学耦合到光源的源光纤。 漫射材料插入在源光纤和样品之间,漫射材料包含高散射低吸收材料。 扩散器材料有效地增加了从光源到样品的光子路径长度,这限制了询问到表面体积的深度,尽管通常使用的辐射的穿透性质。 检测器光纤被设置成与源光纤相邻或横向设置。 检测器光纤耦合到检测器,该检测器检测在检测器光纤中收集的光子。 检测器光纤和源光纤可以分开小于5mm的距离,同时仍允许扩散近似保持有效。
    • 5. 发明申请
    • METHOD FOR PERFORMING QUALITATIVE AND QUANTITATIVE ANALYSIS OF WOUNDS USING SPATIALLY STRUCTURED ILLUMINATION
    • 使用空间结构照明实现绕线的定性和定量分析的方法
    • US20100210931A1
    • 2010-08-19
    • US12418515
    • 2009-04-03
    • David CucciaAnthony J. DurkinJoon S. You
    • David CucciaAnthony J. DurkinJoon S. You
    • A61B5/1455A61B6/00
    • A61B5/0059A61B5/02028A61B5/14551A61B5/445
    • A method of noncontact imaging for performing qualitative and quantitative analysis of wounds includes the step of performing structured illumination of surface and subsurface tissue by both diffuse optical tomography and rapid, wide-field quantitative mapping of tissue optical properties within a single measurement platform. Structured illumination of a skin flap is performed to monitor a burn wound, a diabetic ulcer, a decubitis ulcer, a peripheral vascular disease, a skin graft, and/or tissue response to photomodulation. Quantitative imaging of optical properties is performed of superficial (0-5 mm depth) tissues in vivo. The step of quantitative imaging of optical properties of superficial (0-5 mm depth) tissues in vivo comprises pixel-by-pixel demodulating and diffusion-model fitting or model-based analysis of spatial frequency data to extract the local absorption and reduced scattering optical coefficients.
    • 用于对伤口进行定性和定量分析的非接触成像方法包括通过漫射光学层析成像和在单个测量平台内的组织光学性质的快速,宽场定量映射来执行表面和表面下组织的结构照明的步骤。 执行皮瓣的结构照明以监测烧伤伤口,糖尿病性溃疡,褥疮性溃疡,外周血管疾病,皮肤移植物和/或组织对光调制的反应。 光学性质的定量成像在体内进行表面(0-5mm深度)组织。 表面(0-5mm深度)组织的光学性质的定量成像步骤包括逐像素解调和扩散模拟拟合或空间频率数据的基于模型的分析,以提取局部吸收和减少散射光学 系数。
    • 9. 发明授权
    • Method for non-invasive identification of individuals at risk for diabetes
    • 用于非侵入性鉴定患有糖尿病风险的个体的方法
    • US06721583B1
    • 2004-04-13
    • US09856186
    • 2002-03-20
    • Anthony J. DurkinMarwood N. EdigerVivian M. Chenault
    • Anthony J. DurkinMarwood N. EdigerVivian M. Chenault
    • A61B500
    • A61B5/1455A61B3/10A61B5/14532
    • The invention provides methods for the use of Raman spectroscopy to non-invasively detect molecular characteristics of the constituents of the aqueous humor, vitreous humor, lens or retina. The method can be employed for the detection of molecular changes underlying ocular pathologies. In one embodiment of the invention, the method involves the steps of introducing light into the eye of the subject using a laser; collecting Raman spectra emitted from the eye; dispersing the collected Raman spectra onto a detector; and analyzing detected Raman spectral data to identify a molecular change related to an ocular pathology. The non-invasive method provided by the invention makes use of techniques and equipment that enable detection of Raman spectra with light intensities that fall within acceptable safety standards.
    • 本发明提供了使用拉曼光谱法非侵入性地检测房水,玻璃体液,晶状体或视网膜的成分的分子特征的方法。 该方法可用于检测眼病理学上的分子变化。 在本发明的一个实施例中,该方法包括以下步骤:使用激光将光引入对象的眼睛; 收集从眼睛发出的拉曼光谱; 将收集的拉曼光谱分散到检测器上; 并分析检测到的拉曼光谱数据以识别与眼病理相关的分子变化。 本发明提供的非侵入性方法利用能够检测拉曼光谱的技术和设备,其光强度落在可接受的安全标准之内。