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    • 41. 发明授权
    • Non-invasive in vivo tissue classification using near-infrared measurements
    • 使用近红外测量的非侵入性体内组织分类
    • US06405065B1
    • 2002-06-11
    • US09487547
    • 2000-01-19
    • Stephen F. MalinTimothy L. RuchtiJessica Rennert
    • Stephen F. MalinTimothy L. RuchtiJessica Rennert
    • A61B500
    • G01N21/4785A61B5/0075A61B5/1075A61B5/14532A61B5/14546A61B5/1455A61B5/7264A61B5/7267A61B2560/0223G01N21/359Y10S128/923
    • An in vivo, non-invasive method of tissue classification using near-IR (NIR) spectral measurements. A classification model is based on NIR spectral absorbance measurements from an exemplary population. Spectral features representing variation between tissue types are identified. Analytic techniques enhance the features of interest and correct spectral interference to improve the predictive ability of the classification model. A classification routine defines classes based on variation between tissue types, such that variation within a class is small compared to variation between classes. A decision rule assigns individual samples from the exemplary population to classes. An in-vivo, non-invasive procedure applies the classification model to individual tissue samples. A preferred embodiment of the invention distinguishes transgenic mice from non-transgenic individuals based on variation in fat composition within muscle tissue.
    • 使用近红外(NIR)光谱测量的体内非侵入性组织分类方法。 分类模型基于来自示例性群体的近红外光谱吸收测量。 识别表示组织类型之间变化的光谱特征。 分析技术增强了感兴趣的特征和正确的光谱干扰,从而提高了分类模型的预测能力。 分类程序基于组织类型之间的变化来定义类,使得类之间的变化与类之间的变化相比较小。 决策规则将个体样本从示例性群体分配到类别。 体内非侵入性手术将分类模型应用于个体组织样本。 本发明的优选实施方案基于肌肉组织内脂肪组成的变化来区分转基因小鼠与非转基因个体。
    • 47. 发明授权
    • Fiber optic illumination and detection patterns, shapes, and locations for use in spectroscopic analysis
    • 用于光谱分析的光纤照明和检测图案,形状和位置
    • US06411373B1
    • 2002-06-25
    • US09415389
    • 1999-10-08
    • Jeffrey J. GarsideStephen MonfreBarry C. ElliottTimothy L. RuchtiGlenn Aaron KeesFrank S. Grochocki
    • Jeffrey J. GarsideStephen MonfreBarry C. ElliottTimothy L. RuchtiGlenn Aaron KeesFrank S. Grochocki
    • G01N3348
    • G01N21/474
    • The invention provides a design process that is used in the determination of the pattern of detector and illumination optical fibers at the sampling area of a subject. Information about the system, specifically a monochromator (e.g. to determine the optimal number of fibers at an output slit) and the bundle termination at a detector optics stack (e.g. to determine the optimal number of fibers at the bundle termination), is of critical importance to this design. It is those numbers that determine the ratio and number of illumination to detection fibers, significantly limiting and constraining the solution space. Additional information about the estimated signal and noise in the skin is necessary to maximize the signal-to-noise ratio in the wavelength range of interest. Constraining the fibers to a hexagonal perimeter and prescribing a hex-packed pattern, such that alternating columns contain illumination and detection fibers, yields optimal results. In the preferred embodiment of the invention, two detectors share the totality of the detection fibers at the sampling interface. A third group of detection fibers is used for classification purposes.
    • 本发明提供了一种设计过程,其用于确定被检体的取样区域处的检测器和照明光纤的图案。 关于系统的信息,特别是单色仪(例如,确定输出狭缝处的光纤的最佳数量)和检测器光学堆叠处的束终止(例如,以确定束终止时的最佳光纤数量)是至关重要的 到这个设计。 这些数字决定了对检测光纤的照射比例和数量,显着限制和限制了解决方案的空间。 关于皮肤估计的信号和噪声的附加信息对于使感兴趣的波长范围内的信噪比最大化是必要的。 将纤维限制在六边形周边,并规定六方填充图案,使得交替的列包含照明和检测纤维,产生最佳结果。 在本发明的优选实施例中,两个检测器在采样接口处共享检测光纤的总体。 第三组检测纤维用于分类目的。
    • 49. 发明授权
    • Method and apparatus for presentation of noninvasive glucose concentration information
    • 用于呈现无创葡萄糖浓度信息的方法和装置
    • US07440786B2
    • 2008-10-21
    • US11012428
    • 2004-12-14
    • Linda J. HockersmithKevin H. HazenTimothy L. Ruchti
    • Linda J. HockersmithKevin H. HazenTimothy L. Ruchti
    • A61B5/1455
    • A61B5/1455A61B5/14532A61B5/7415A61B5/743A61B5/7475A61B5/749A61B2560/0456G06F19/00G16H15/00
    • The invention relates generally to the extraction and/or presentation of glucose concentrations estimated as a function of time into a format that facilitates conveyance of the underlying information. More particularly, glucose concentration histories are presented in terms of risk of behavior, in a video format, and/or in an audio format. The reduction of data into video format, selected by time period, cluster, or glucose concentration response, into an animated or video presentation allows diagnosis and treatment information to be more readily determined and used. Alternatively, glucose concentrations are output through a voice synthesizer or an earcon. These information presentations are useful for both the medical professional and the end user. The information presentation is preferably used with a noninvasive, implantable, semi-continuous, and/or continuous analyte analyzer, such as a glucose concentration analyzer.
    • 本发明一般涉及将作为时间的函数估计的葡萄糖浓度的提取和/或表现提升为促进底层信息传递的格式。 更具体地,葡萄糖浓度历史以行为风险,视频格式和/或音频格式呈现。 将通过时间段,群集或葡萄糖浓度响应选择的视频格式的数据减少为动画或视频呈现允许更容易地确定和使用诊断和治疗信息。 或者,葡萄糖浓度通过语音合成器或耳塞输出。 这些信息介绍对于医疗专业人员和最终用户都是有用的。 信息呈现优选与非侵入性,可植入,半连续和/或连续的分析物分析仪一起使用,例如葡萄糖浓度分析仪。