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As one of the most important and well established tools, ultrasound imaging provides noninvasive valuable diagnostic information, especially in the form of cross-sectional images of soft tissues. In this work, we report the design, fabrication, and characterization of press-focused LiNbO3 transducer with one matching layer only. The performance of these transducers is in good agreement with the simulation...
Currently, intravascular ultrasound (IVUS) has been frequently used for diagnosing the atherosclerotic plaque due to its good imaging penetration and accurate evaluation. In general, two types of transducers were used for IVUS imaging, i.e. single-element transducer and radial array transducer. It should be noted that imaging resolution of single-element transducer was reduced in the deep area. In...
Atherosclerotic plaque rupture will cause acute coronary syndrome and sudden cardiac death, so that the diagnosis of this kind disease is crucial in clinical studies. Intravascular ultrasound (IVUS) imaging is an effective means of detecting atherosclerotic plaques. In general, two kinds of transducers were used for IVUS imaging, i.e. single-element transducer and radial array transducer. It should...
As one of the most important and well established tools, ultrasound imaging provides noninvasive valuable diagnostic information, especially in the form of cross-sectional images of soft tissues. High frequencies are used directly to enable high resolution imaging to be of clinical benefit. As a result, high-frequency ultrasonic transducers with better resolution are needed. The difficulty of a high...
Wireless capsule endoscopy has opened a new era by enabling remote diagnostic assessment of the gastrointestinal tract in a painless procedure. Video capsule endoscopy is currently commercially available worldwide. However, it is limited to visualization of superficial tissue. Ultrasound (US) imaging is a complementary solution as it is capable of acquiring transmural information from the tissue wall...
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