Sample support platform design for long bone guided wave detection experiments

Juan Xu; Pingxin Liu; Rui Yang; Bing Li

doi:10.1117/12.2681104

8 June 2023 Sample support platform design for long bone guided wave detection experiments

Juan Xu, Pingxin Liu, Rui Yang, Bing Li

Proceedings Volume 12707, International Conference on Image, Signal Processing, and Pattern Recognition (ISPP 2023); 127072C (2023) https://doi.org/10.1117/12.2681104
Event: International Conference on Image, Signal Processing, and Pattern Recognition (ISPP 2023), 2023, Changsha, China

Abstract

Osteoporosis is known as the "silent killer" and some of its complications have a higher mortality rate than cancer. The current method of diagnosis, X-ray absorptiometry can cause radiation damage to the body. Ultrasound guided wave is sensitive to a wide range of bone information, and is harmless to humans, which is a new solution to evaluate bone condition. In the cross study of medicine and engineering, there are always compatibility problems when engineering equipment is applied to medical research objects. Under the background of osteoporosis detection, this paper explored the application of ultrasonic guided wave detection technology in the measurement of long bone thickness. In the experiment, a sample support platform was designed to solve the problem of fitting the guided wave transducer with the bone surface. The platform consisted of an upper plate, springs, screws and a lower plate. The sample can be stably supported by the adjusting screws, and the guided wave transducer can be adapted to the irregular sample surface by the pre-deformation and elasticity of the springs. The thickness of cortical bone was successfully measured in this experiment. The error of tabular cortical bone was 0.91%, and that of tubular cortical bone was 0.41%, which showed that the experimental method and data processing method were reasonable and effective. This method can provide basis for clinical diagnosis of osteoporosis in the future.

Citation Download Citation

Juan Xu, Pingxin Liu, Rui Yang, and Bing Li "Sample support platform design for long bone guided wave detection experiments", Proc. SPIE 12707, International Conference on Image, Signal Processing, and Pattern Recognition (ISPP 2023), 127072C (8 June 2023); https://doi.org/10.1117/12.2681104

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KEYWORDS

Bone

Waveguides

Transducers

Osteoporosis

Design and modelling

Elasticity

Data processing

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