磁芯和高工作频率对无线被动微创颅内压监测移频检测灵敏度的影响

2015 International Conference on Electromagnetics in Advanced Applications (ICEAA) Pub Date : 2015-10-15 DOI:10.1109/ICEAA.2015.7297141

M. W. A. Khan, M. Behfar, T. Bjorninen, L. Sydanheimo, L. Ukkonen

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引用次数: 6

摘要

在无线无源颅内压监测(ICP)中，我们研究了植入体和外置读取器天线的磁芯以及植入体更高工作频率对颅内压监测的影响。植入物与外部读取器天线电感耦合。ICP可以通过改变植入体谐振频率或外部读写器天线输入阻抗相位倾角来监测。我们证明通过改变种植体共振频率来提高ICP监测的灵敏度可以通过更高频率的共振种植体来实现。此外，我们还在生物环境中进行了测量，在植入物和外部读取器天线之间放置了5 mm±1 mm的猪皮。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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Effect of magnetic core and higher operational frequency on sensitivity in frequency shift detection in wireless passive minimally invasive Intracranial Pressure Monitoring

In this paper we study the effect of magnetic core in both the implant and the external reader antenna and higher operational frequency of the implant for wireless passive Intracranial Pressure Monitoring (ICP). Implant and external reader antenna are inductively coupled. ICP can be monitored through the change of implant resonance frequency or external reader antenna input impedance phase dip. We demonstrate that improvement in the sensitivity of ICP monitoring through change of implant resonance frequency can be done by resonating implant at higher frequency. Moreover we perform measurement in biological environment by placing pig skin of 5 mm ± 1 mm between implant and external reader antenna.

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2015 International Conference on Electromagnetics in Advanced Applications (ICEAA)

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