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Preliminary results of vibro-acoustography evaluation of bone surface and bone fracture

  
@article{QIMS16937,
	author = {Marcello H. Nogueira-Barbosa and Hermes Arytto Salles Kamimura and Guilherme Braz and Paulo M. Agnollitto and Antonio Adilton Oliveira Carneiro},
	title = {Preliminary results of vibro-acoustography evaluation of bone  surface and bone fracture},
	journal = {Quantitative Imaging in Medicine and Surgery},
	volume = {7},
	number = {5},
	year = {2017},
	keywords = {},
	abstract = {Background: Vibro-acoustography (VA) uses two co-focused ultrasound beams with slightly different frequencies. The beams interact and generate a low-frequency focus to excite an object. 
Methods: A two-element confocal ultrasound transducer with central frequency at 3.2 MHz was used to generate the low-frequency excitation (30 kHz) and the response of the bone to that excitation was acquired by a dedicated hydrophone. The face of the confocal transducer was positioned parallel to the surface of the bone at a focal length of 7 cm. The hydrophone was fixed to the side of the transducer, out of the path of the ultrasonic beam. 
Results: The resulting image clearly showed the bone fracture with resolution of 0.25 mm and high contrast with well-defined borders. 
Conclusions: In this paper, we present preliminary results of VA imaging of bone surface and of bone fracture using an experimental set-up. Our results encourage future studies using VA to evaluate bone fractures.},
	issn = {2223-4306},	url = {https://qims.amegroups.org/article/view/16937}
}