Ex Vivo Blood Viscosity Monitoring with Piezoelectric MEMS Resonators

被引：0

作者：

Schneider, Michael ^{[1
]}

Santasusagna, Julia ^{[1
]}

Magnet, Ingrid Anna Maria ^{[2
]}

Schmid, Ulrich ^{[1
]}

机构：

[1] TU Wien, Inst Sensor & Actuator Syst, Gusshausstr 27-29, A-1040 Vienna, Austria

[2] Med Univ Vienna, Dept Emergency Med, Wahringer Gurtel 18-20, A-1090 Vienna, Austria

来源：

2022 IEEE SENSORS | 2022年

关键词：

PiezoMEMS; viscosity sensor; human blood; resonator; MODES;

D O I：

10.1109/SENSORS52175.2022.9967277

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

This exploratory work demonstrates the potential of plate-type piezoelectric MEMS resonators for measuring the dynamic viscosity of human blood. These micromachined silicon sensors are operated in roof-tile shaped vibrational modes, featuring high quality factors in liquids. The quality factor of the 17 vibrational mode is used in combination with a sensor calibration procedure which is based on viscosity standards to monitor this fluidic material parameter. We demonstrate, that the MEMS sensor can provide real-time viscosity data over extended periods of time, which may be of high interest in cardiovascular medicine and medical applications such as extracorporal membrane oxygenation (ECMO).

引用

页数：4

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