Low-invasive diagnosis of metallic prosthesis osseointegration by electrical impedance spectroscopy

被引:21
作者
Arpaia, Pasquale [1 ]
Clemente, Fabrizio
Zanesco, Antonio
机构
[1] Univ Sannio, Dipartimento Ingn, I-82100 Benevento, Italy
[2] CNR, Ist Ingn Biomed, Sez Roma, I-00016 Monterotondo, Italy
关键词
biological system modeling; biomedical measurements; biomedical signal analysis; digital measurements; electrochemical devices; impedance measurements;
D O I
10.1109/TIM.2007.894170
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
In this paper, a digital-measurement method for low-invasive clinical diagnosis of metallic prosthesis osseointegration is proposed. Electrical impedance spectroscopy is exploited to characterize the quality of the tissue at the interface between the bone and the prosthesis. The method overcomes current resolution limits of biological electrical-impedance analysis by means of several polarization levels. Electrical modeling through an equivalent circuit is used to define a quantitative index of osseointegration. In vitro experimental results of the proposed method validation show its sensitivity and its effectiveness in low-depth prostheses, such as in dentistry applications.
引用
收藏
页码:784 / 789
页数:6
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