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    • 2. 发明申请
    • METHOD AND SYSTEM FOR OPTICALLY EVALUATING PROXIMITY TO THE INFERIOR ALVEOLAR NERVE IN SITU
    • 用于光学评估临床中对于传统神经内分泌神经的方法和系统
    • WO2012143798A1
    • 2012-10-26
    • PCT/IB2012/050045
    • 2012-01-04
    • DR. HASSAN GHADERI MOGHADDAMMOGHADDAM, Hassan, GhaderiGALLANT, PascalMERMUT, OzzyVEILLEUX, Israël
    • MOGHADDAM, Hassan, GhaderiGALLANT, PascalMERMUT, OzzyVEILLEUX, Israël
    • A61B6/14A61C8/00
    • A61B17/1703A61B5/0066A61B5/0075A61B5/0261A61B5/14551A61B5/4542A61B5/489A61B5/4893A61B17/1673A61B2034/2057A61B2090/306A61C1/084A61C1/088A61C8/0089A61C19/04
    • A low coherence interferometry probe system for evaluating proximity to a tissue layer, comprising a low coherence light source for generating low coherence excitation light, an excitation optical fiber to bring the low coherence excitation light near the tissue layer and a collection optical fiber for capturing back-scattered light from the tissue layer. The probe system comprises a low coherence interferometry sub-system and a digital signal processor for evaluating a distance to the tissue layer based on the back- scattered light received by the collection optical fiber. There is also provided a spectral absorption probe system for evaluating proximity to an artery, comprising a light source for generating excitation light having a wavelength adapted for absorption by blood chromophores, an excitation optical fiber to bring the excitation light near the artery and a collection optical fiber for capturing back-scattered light from the artery. The probe system comprises a light detector and a signal processor for determining a distance to the artery based on the back-scattered light and on Beer-Lambert law of light absorption using a value for surrounding tissue attenuation coefficient (μείί). A spectral absorption and low coherence interferometry probe system combining low coherence interferometry and spectral absorption is also provided.
    • 用于评估与组织层的接近度的低相干干涉测量探针系统,包括用于产生低相干激发光的低相干光源,在组织层附近带来低相干激发光的激发光纤和用于捕获的收集光纤 来自组织层的散射光。 探针系统包括低相干干涉测量子系统和数字信号处理器,用于基于由收集光纤接收的反向散射光来评估到组织层的距离。 还提供了一种用于评估与动脉接近度的光谱吸收探针系统,其包括用于产生具有适于由血液发色团吸收的波长的激发光的光源,将激发光引导到动脉附近的激发光纤和收集光 用于从动脉捕获背散射光的纤维。 探针系统包括光检测器和信号处理器,用于基于背散射光确定到动脉的距离,并且使用用于周围组织衰减系数(μeθ)的值的Beer-Lambert光吸收定律。 还提供了组合低相干干涉测量和光谱吸收的光谱吸收和低相干干涉测量系统。