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    • 2. 发明申请
    • APPARATUS, SYSTEM AND METHODS FOR PHOTOACOUSTIC DETECTION OF DEEP VEIN THROMBOSIS
    • 用于深度检测深度血栓形成的装置,系统和方法
    • WO2012109394A2
    • 2012-08-16
    • PCT/US2012024384
    • 2012-02-08
    • INCUBE LABS LLCIMRAN MIRMCLAUGHLIN GLEN
    • IMRAN MIRMCLAUGHLIN GLEN
    • A61B5/00A61B5/145A61B5/1455A61B8/00
    • A61B5/0095A61B5/02028A61B8/0891
    • Embodiments of the invention provide apparatus, systems and methods for the detection of deep vein thrombosis (DVT) using photoacoustic measurement of hemoglobin in different states of oxygenation within tissue. One embodiment of a system for DVT detection comprises at least a first and second light source that emit light at first and second wavelengths, an acoustic transducer, a data converter and a processor. The first and second light sources are directed on the patient's skin to produce a photoacoustic signal (PS) correlated to an amount of absorbance of the first and second wavelengths by a target region of tissue beneath the patient's skin. The acoustic transducer detects the PS and transduces it into an electrical signal which is correlated to the PS. The data converter converts the electrical signal into a digital signal which is analyzed by the processor to detect the presence of DVT within the target region.
    • 本发明的实施例提供了使用组织内不同氧合状态的血红蛋白的光声测量来检测深静脉血栓形成(DVT)的装置,系统和方法。 用于DVT检测的系统的一个实施例包括至少第一和第二光源,其发射第一和第二波长的光,声换能器,数据转换器和处理器。 第一和第二光源被引导到患者的皮肤上,以产生与患者皮肤下面的组织的目标区域与第一和第二波长的吸光度相关的光声信号(PS)。 声换能器检测PS并将其转换成与PS相关的电信号。 数据转换器将电信号转换成由处理器分析的数字信号,以检测目标区域内DVT的存在。