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    • 6. 发明申请
    • METHOD OF DETECTING PORTAL AND/OR HEPATIC PRESSURE AND A PORTAL HYPERTENSION MONITORING SYSTEM
    • 检测门静脉压力和门静脉监测系统的方法
    • WO2013033506A1
    • 2013-03-07
    • PCT/US2012/053298
    • 2012-08-31
    • MICROTECH MEDICAL TECHNOLOGIES LTD.RICHTER, YoramTAMMAM, Eric, S.MANDEL, Shahar, Even-dar
    • RICHTER, YoramTAMMAM, Eric, S.MANDEL, Shahar, Even-dar
    • A61B5/0215A61B5/00
    • A61B5/02152A61B5/6862A61B5/6876A61B5/6882A61B2562/0247A61B2562/12
    • The devices and methods generally relate to vibratable sensors for measuring ambient fluid pressure, in particular implantable sensors. The devices and methods are particularly well-suited to implantation within the body of a living animal or human to monitor physiological conditions, such as portal and/or hepatic venous blood pressure, and allow frequent, remote interrogation of venous pressure using the resonance frequency of an implanted sensor. The sensor devices are relatively small compared to conventional devices for measuring fluid pressure and can be implanted in the porto- hepatic venous system, whereas conventional devices are too large. The small size of the device is accomplished by using a thick sensor membrane, compared to conventional devices, and by limiting the size of additional elements of the device relative to the size of the sensor membrane. The thicker sensor member also obviates the need for multiple sensor arrays and maintains the accuracy and robustness of the sensor device. A data capture, processing, and display system provides a pressure measurement reading, and is particularly well-suited for detecting portal hypertension in patients with liver disorders.
    • 装置和方法通常涉及用于测量环境流体压力的可振动传感器,特别是可植入传感器。 这些装置和方法特别适合于植入活的动物或人的体内以监测生理状态,例如门静脉和/或肝静脉血压,并且允许频繁,远程询问静脉压,使用谐振频率 植入传感器。 与用于测量流体压力的常规装置相比,传感器装置相对较小,并且可以植入到肝静脉系统中,而常规装置太大。 与常规装置相比,通过使用厚的传感器膜,并且通过相对于传感器膜的尺寸限制装置的附加元件的尺寸来实现该装置的小尺寸。 较厚的传感器构件也避免了对多个传感器阵列的需要并且保持传感器装置的精度和鲁棒性。 数据采集​​,处理和显示系统提供压力测量读数,特别适用于检测肝功能障碍患者门静脉高压。