Detection of tissue coagulation for microwave surgical devices

IEICE Electronics Express

Kazuyuki Saito¹  Naoyuki Ogasawara² 

[1] Center for Frontier Medical Engineering, Chiba University;Graduate School of Engineering, Chiba University

关键词: microwave;    tissue coagulation;    impedance;    detection circuit;   

DOI  :  10.1587/elex.14.20161223

学科分类：电子、光学、磁材料

来源: Denshi Jouhou Tsuushin Gakkai

【 摘 要 】

This paper describes the detection of tissue coagulation for a microwave surgical device. This method uses variations in the electrical properties of biological tissue before and after heating. To evaluate the proposed method, we made coagulated tissue and measured the impedance of the tissue using the microwave surgical device. The results of the measurements show that the impedance of the heated tissue changed significantly due to tissue coagulation. This results implies that coagulation of tissue can be detected by variation of electrical impedance.

【 授权许可】

CC BY