J Shanghai Jiaotong Univ Sci ›› 2022, Vol. 27 ›› Issue (4): 561-569.doi: 10.1007/s12204-022-2417-6

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  • 收稿日期:2020-06-03 出版日期:2022-07-28 发布日期:2022-08-11

Piezoelectric-Based Smart Bone Plate for Fracture Healing Progress Monitoring

GAO Zihanga (高梓航), WANG Xina (王 鑫) ZHAO Yifana (赵一帆), JIN Zhehui a (金哲慧), WANG Ganga (王 刚), GAO Shuoa,b ∗ (高 硕)   

  1. (a. School of Instrumentation Science and Optoelectronic Engineering; b. Beijing Advanced Innovation Center for Big Data-Based Precision Medicine, Interdisciplinary Innovation Institute of Medicine and Engineering, Beihang University, Beijing 100083, China)
  • Received:2020-06-03 Online:2022-07-28 Published:2022-08-11

Abstract: Fracture healing progress monitoring techniques attract global research attention due to the importance of selecting the timing of removing the fixation device. To this end, in this research, we present a piezoelectric- based smart internal fixation device, in which a piezoelectric sandwich structure is laminated to the surface of a bone plate. In the content, we explain the reasons for utilizing piezoelectric films, elaborate the mechanism of fracture monitoring, and introduce the mechanical parameters of the sensor. The simulation and experimental results show that the electrical output of the device is associated with the elastic modulus of the filler between the tested broken bones when the working load is maintained, indicating that the bone recovery progress could be successfully detected by the developed technique.

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