A novel method to measure acoustic speed of bone tissue

Tainsong Chen, Jiunn Shyong Tzeng, Chii-Jeng Lin

Research output: Contribution to journalArticle

2 Citations (Scopus)

Abstract

Acoustic speed is an important parameter that can be used to characterize bone tissue for evaluation of osteoporosis. Traditional approaches for measuring acoustic speed require knowledge of either the specimen thickness, which is sometimes difficult to obtain from biological tissues, or the reference fluid velocity that, moreover, is an unknown parameter for internal tissue in in vivo measurement. In this paper, a new method is proposed to measure acoustic speed from dual reflected ultrasound signals. This technique utilizes two transducers placed on the same side of the test object; one for transmitter and receiver, and the other one for receiver only. The acoustic speed of the test object is based on the information of time-of-flight from the signals received by both transducers and the separation distance between the transducer pair. The technique developed here not only eliminates the requirement of knowledge of specimen thickness, but also shows a feasibility for clinical applications. The results of different porcine and bovine bone samples measured in vitro by this technique are in good agreement with those measured by other published methods. In vivo measurement results of 10 healthy young volunteers' tibias are also reported.

Original languageEnglish
Pages (from-to)1337-1341
Number of pages5
JournalUltrasound in Medicine and Biology
Volume23
Issue number9
DOIs
Publication statusPublished - 1997 Dec 8

Fingerprint

Acoustics
bones
Transducers
Bone and Bones
acoustics
transducers
receivers
tibia
osteoporosis
Tibia
Osteoporosis
Healthy Volunteers
Swine
transmitters
requirements
evaluation
fluids

All Science Journal Classification (ASJC) codes

  • Radiological and Ultrasound Technology
  • Biophysics
  • Acoustics and Ultrasonics

Cite this

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abstract = "Acoustic speed is an important parameter that can be used to characterize bone tissue for evaluation of osteoporosis. Traditional approaches for measuring acoustic speed require knowledge of either the specimen thickness, which is sometimes difficult to obtain from biological tissues, or the reference fluid velocity that, moreover, is an unknown parameter for internal tissue in in vivo measurement. In this paper, a new method is proposed to measure acoustic speed from dual reflected ultrasound signals. This technique utilizes two transducers placed on the same side of the test object; one for transmitter and receiver, and the other one for receiver only. The acoustic speed of the test object is based on the information of time-of-flight from the signals received by both transducers and the separation distance between the transducer pair. The technique developed here not only eliminates the requirement of knowledge of specimen thickness, but also shows a feasibility for clinical applications. The results of different porcine and bovine bone samples measured in vitro by this technique are in good agreement with those measured by other published methods. In vivo measurement results of 10 healthy young volunteers' tibias are also reported.",
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A novel method to measure acoustic speed of bone tissue. / Chen, Tainsong; Tzeng, Jiunn Shyong; Lin, Chii-Jeng.

In: Ultrasound in Medicine and Biology, Vol. 23, No. 9, 08.12.1997, p. 1337-1341.

Research output: Contribution to journalArticle

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