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    • 4. 发明授权
    • Device for isolating regions of living tissue
    • 用于隔离活组织区域的装置
    • US06631282B2
    • 2003-10-07
    • US09970021
    • 2001-10-02
    • Peter RuleJames R. BraigDaniel S. GoldbergerJulian CortellaMark D. Agostino
    • Peter RuleJames R. BraigDaniel S. GoldbergerJulian CortellaMark D. Agostino
    • A61B500
    • A61B5/6841A61B5/061A61B5/14532A61B5/1455
    • A device and method are provided for use with a non-invasive optical measurement system, such as a thermal gradient spectrometer for improved determination of analyte concentrations within living tissue. In a preferred embodiment, a site selector is secured to a patient's forearm thereby isolating a measurement site on the patient's skin for determination of blood glucose levels. The site selector attaches to a thermal mass window of the spectrometer and thus forms an interface between the patient's skin and the thermal mass window. When the spectrometer must be temporarily removed from the patient's skin, such as to allow the patient mobility, the site selector is left secured to the forearm so as to maintain a consistent measurement site on the skin. When the spectrometer is later reattached to the patient, the site selector will again form an interface between the gradient spectrometer and the same location of skin as before.
    • 提供了一种用于非侵入式光学测量系统的装置和方法,所述非侵入性光学测量系统例如用于改善生物体内分析物浓度测定的热梯度光谱仪。 在优选实施例中,站点选择器被固定到患者的前臂,从而隔离患者皮肤上的测量部位以确定血糖水平。 站点选择器连接到光谱仪的热质量窗口,从而形成患者皮肤和热质量窗口之间的界面。 当光谱仪必须临时从病人的皮肤上移除时,例如允许患者移动,将场地选择器固定在前臂上,以保持皮肤上一致的测量部位。 当光谱仪后来重新连接到患者时,站点选择器将再次形成梯度光谱仪和与之前相同的皮肤位置之间的界面。
    • 7. 发明授权
    • Noninvasive pulsed infrared spectrophotometer
    • 无创脉冲红外分光光度计
    • US5313941A
    • 1994-05-24
    • US10634
    • 1993-01-28
    • James R. BraigDaniel S. Goldberger
    • James R. BraigDaniel S. Goldberger
    • A61B5/145A61B5/00A61B5/1455G01N21/35
    • A61B5/1455A61B5/14532A61B5/14546G01N21/35G01N21/3581
    • A method and apparatus for monitoring glucose, ethyl alcohol and other blood constituents in a noninvasive manner. The measurements are made by monitoring infrared absorption of the desired blood constituent in the long infrared wavelength range where the blood constituent has a strong and distinguishable absorption spectrum. The long wavelength infrared energy is passed through a finger or other vascularized appendage and the measurement made. To prevent the high energy source from burning or causing patient discomfort, only short bursts or pulses of energy are sent through the finger with a very low duty cycle and low optical bandwidth. The bursts are further synchronized with systole and diastole of the cardiac cycle so that only two pulses are sent per heart beat, one during diastole and one during systole. The detection signals measured during application of these bursts of energy are then used to calculate the concentration of the blood constituents in accordance with a polynomial equation.
    • 一种以非侵入性方式监测葡萄糖,乙醇和其他血液成分的方法和装置。 通过监测血液成分具有强烈且可区分的吸收光谱的长红外波长范围内的所需血液成分的红外吸收来进行测量。 长波长红外能量通过手指或其他血管附着物进行测量。 为了防止高能源燃烧或引起患者不适,只有短脉冲或能量脉冲通过手指以非常低的占空比和低的光学带宽发送。 脉冲进一步与心动周期的收缩和舒张同步,使得每个心跳只发送两个脉冲,一个在舒张期期间发送,一个在心脏收缩期间发送。 然后使用在应用这些脉冲能量期间测量的检测信号根据多项式方程计算血液成分的浓度。
    • 8. 发明授权
    • Disposable airway adapter
    • 一次性气道适配器
    • US5067492A
    • 1991-11-26
    • US564179
    • 1990-08-07
    • Mark YeldermanDaniel S. GoldbergerJames R. Braig
    • Mark YeldermanDaniel S. GoldbergerJames R. Braig
    • A61B5/08A61B5/083A61B5/097
    • A61B5/0836A61B5/097
    • A disposable endotracheal airway adapter for use in proximity of a patient's mouth in the measurement of the concentraton of respiratory gases. The disposable airway adapter of the invention provides a conduit for patient respiratory gases and allows the passage of infrared radiation through the gases for measuring the constituent concentration of the respiratory gases while keeping the patient gases from coming in contact with the analyzer mechanism. The body of the airway adapter is designed to connect in series with the airway tubing which connects a patient to a mechanical respirator or anesthesia breathing circuit. The body of the airway adapter is very light in weight and is formed of inexpensive material such as polyethylene or polypropylene so that it may be manufactured inexpensively and discarded after each use. An inexpensive optical window in the adapter is also formed of material such as polyethylene or polypropylene so that the gas analyzer can pass light into the sample for analysis. Preferably, the optical windows of the invention are made of the same material as the adapter body. Since the adapter of the invention may be disposed of after use on a single patient, sterilization expenses and cross-contamination may be minimized. Also, calibrating integrity is maintained through a calibration process which accounts for the non-linearity of the absorption spectra of the window material in the region of interest.
    • 用于测量呼吸气体浓度的患者口腔附近的一次性气管插管气道适配器。 本发明的一次性气道适配器提供用于患者呼吸气体的导管,并允许红外辐射通过气体,用于测量呼吸气体的组成浓度,同时保持患者气体不与分析器机构接触。 气道适配器的主体设计成与将患者连接到机械呼吸器或麻醉呼吸回路的气道管串联连接。 气道适配器的主体重量非常轻,并且由诸如聚乙烯或聚丙烯的廉价材料形成,使得可以在每次使用后廉价地制造和丢弃。 适配器中的廉价的光学窗口也由诸如聚乙烯或聚丙烯的材料形成,使得气体分析仪可以将光通过样品进行分析。 优选地,本发明的光学窗口由与适配器主体相同的材料制成。 由于本发明的适配器可以在使用后在单个患者身上处理,因此可以使灭菌费用和交叉污染最小化。 此外,校准完整性通过考虑到感兴趣区域中窗口材料的吸收光谱的非线性的校准过程来维持。