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Dependencies of ultrasonic properties on apparent bone density in trabecular bone
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1초록
The present study aims to provide insight into the dependencies of ultrasonic properties. Such as speed of sound (SOS), broadband ultrasonic attenuation (BUA), and integrated reflection coefficient (IRC), on apparent bone density in trabecular bone. SOS, BUA. and IRC were Measured in 19 bovine trabecular bone specimens with apparent densities from 0.411 to 0.928 g/cm(3), using a matched pair of transducers with a diameter of 12.7 mm and a center frequency of 1.0 MHz. They were also compared with the predictions obtained from the modified Biot-Attenborough (MBA) model for propagation in fluid-saturated porous media.
키워드
osteoporosis; trabecular bone; apparent bone density; speed of sound; broadband ultrasonic attenuation; integrated reflection coefficient; modified Biot-Attenborough model; BOVINE CANCELLOUS BONE; BIOT-ATTENBOROUGH MODEL; WAVE-PROPAGATION; PHASE-VELOCITY; QUANTITATIVE ULTRASOUND; MECHANICAL-PROPERTIES; HUMAN CALCANEUS; POROSITY; BACKSCATTERING; ATTENUATION
- 제목
- Dependencies of ultrasonic properties on apparent bone density in trabecular bone
- 저자
- Lee, Kang Il
- 발행일
- 2008-07
- 유형
- Article
- 권
- 47
- 호
- 7
- 페이지
- 5720 ~ 5723