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Medical Application of the Nondestructive Ultrasonic Tests: Diagnosis of Micro Bone Fractures using Ultrasonic C Scan Images  

Choi, Min-Joo (Department of Medicine Cheju National University & The Institute of Artificial Heart, Cheju National University)
Publication Information
Journal of the Korean Society for Nondestructive Testing / v.22, no.4, 2002 , pp. 377-385 More about this Journal
Abstract
Ultrasonic tests employing non-ionizing radiation are preferred in nondestructive examinations since they are safe and simple in use. The same principles of the techniques have been taken as valuable tools in medical area for the diagnoses of diseases, in other words, defects of the human body. The paper overviews the principles of the medical diagnosis based on nondestructive ultrasonic tests, and then evaluates experimentally the clinical potential of C scan images not popular in medicine, for detecting the micro fractures of the cortical bone. In the experiment the micro bone fractures were created on the femurs of porks by loading three point bending forces (2-4kN) with the speed of 1 mm/min. As the extent of the fracture was altered, not only X ray images but also ultrasonic C scan images using a focused ultrasonic probe resonated at 25 MHz were obtained. The results showed that ultrasonic C scan images were capable of detecting the micro bone fractures which were not possible to identify by conventional X ray images.
Keywords
ultrasonic tests; ultrasonic C scan image; micro bone fracture; diagnosis;
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