Research Topics
| Jonathan M CannataSummaryAffiliation: University of Southern California Country: USA Publications
| Collaborators |
Detail Information
Publications
Design, fabrication, and evaluation of high frequency, single-element transducers incorporating different materialsKevin A Snook
NIH Resource on Medical Ultrasonic Transducer Technology, Department of Bioengineering, The Pennsylvania State University, University Park 16802, USA
IEEE Trans Ultrason Ferroelectr Freq Control 49:169-76. 2002..Both press-focusing and application of a lens proved to be useful beam focusing methods for high frequency. Under equal gain schemes, the LiNbO3 and PbTiO3 transducers provided better image contrast than the other materials...
Design of efficient, broadband single-element (20-80 MHz) ultrasonic transducers for medical imaging applicationsJonathan M Cannata
NIH Resource on Medical Ultrasonic Transducer Technology, Department of Biomedical Engineering, University of Southern California, Los Angeles, CA 90089, USA
IEEE Trans Ultrason Ferroelectr Freq Control 50:1548-57. 2003..The high sensitivity of these devices could possibly allow for an increase in depth of penetration, higher image signal-to-noise ratio (SNR), and improved image contrast at high frequencies when compared to previously reported results...
PMN-PT single crystal, high-frequency ultrasonic needle transducers for pulsed-wave Doppler applicationQifa Zhou
NIH Resource on Medical Ultrasonic Transducer Technology, Department of Biomedical Engineering, University of Southern California, Los Angeles, CA 90089, USA
IEEE Trans Ultrason Ferroelectr Freq Control 54:668-75. 2007..In vivo high-frequency, pulsed-wave Doppler patterns of blood flow in the posterior portion and in vitro ultrasonic backscatter microscope (UBM) images of the rabbit eye were obtained with the 44-MHz needle transducer...
Development of a flexible implantable sensor for postoperative monitoring of blood flowJonathan M Cannata
Department of Biomedical Engineering, Viterbi School of Engineering, University of Southern California, 1042 Downey Way, Los Angeles, CA 90089 1111, USA
J Ultrasound Med 31:1795-802. 2012..7% of the measurement obtained using a duplex ultrasound system. The flow sensor and electronics operated continuously during the course of the 5-hour experiment after the incision on the animal was closed...
A high-frequency linear ultrasonic array utilizing an interdigitally bonded 2-2 piezo-compositeJonathan M Cannata
University of Southern California, Department of Biomedical Engineering, Los Angeles, CA, USA
IEEE Trans Ultrason Ferroelectr Freq Control 58:2202-12. 2011..An anechoic cyst phantom was also imaged to determine the minimum detectable spherical inclusion, and thus the 3-D resolution of the array and beamformer. The minimum anechoic cyst detected was approximately 300 μm in diameter...
Development of a 35-MHz piezo-composite ultrasound array for medical imagingJonathan M Cannata
NIH Resource on Medical Ultrasonic Transducer Technology, Department of Biomedical Engineering, University of Southern California, Los Angeles, CA, USA
IEEE Trans Ultrason Ferroelectr Freq Control 53:224-36. 2006..An image of a tungsten wire target phantom was acquired using a synthetic aperture reconstruction algorithm. The results from this imaging test demonstrate resolution exceeding 50 microm axially and 100 microm laterally...
Development of a 64 channel ultrasonic high frequency linear array imaging systemChanghong Hu
Department of Biomedical Engineering and NIH transducer Resource Center, University of Southern California, Los Angeles, CA 90089, United States
Ultrasonics 51:953-9. 2011..Wire phantom images acquired with this system show a spatial resolution of 146 μm (lateral) and 54 μm (axial). Images with excised rabbit and pig eyeball as well as mouse embryo were also acquired to demonstrate its imaging capability...
Design and fabrication of broadband graded ultrasonic transducers with rectangular kerfsHongkai Guo
National Institutes of Health Transducer Resource Center and Department of Biomedical Engineering, University of Southern California, Los Angeles, CA 90089 1451, USA
IEEE Trans Ultrason Ferroelectr Freq Control 52:2096-102. 2005..A superior bandwidth of 92% was achieved by the graded transducer when compared to a bandwidth of 56% produced by the nondiced ceramic transducer at the expense of a reduced sensitivity...
A high-frequency annular-array transducer using an interdigital bonded 1-3 compositeHamid Reza Chabok
NIH Resource Center for Medical Ultrasonic Transducer Technology, Department of Biomedical Engineering, University of Southern California, Los Angeles, CA, USA
IEEE Trans Ultrason Ferroelectr Freq Control 58:206-14. 2011..3 dB, and the maximum crosstalk between the nearest-neighbor elements was less than -37 dB. Images of a wire phantom and excised porcine eye were obtained to show the capabilities of the array for high-frequency ultrasound imaging...
Development of a real-time, high-frequency ultrasound digital beamformer for high-frequency linear array transducersChang Hong Hu
Biomedical Engineering Department and NIH Transducer Resource Center, University of Southern California, Los Angeles, CA 90089, USA
IEEE Trans Ultrason Ferroelectr Freq Control 53:317-23. 2006..4 mm range. Images from an excised rabbit eye sample also were acquired, and fine anatomical structures, such as the cornea and lens, were resolved...
20 MHz/40 MHz dual element transducers for high frequency harmonic imagingHyung Ham Kim
NIH Resource Center on Medical Ultrasonic Transducer Technology, Department of Biomedical Engineering, University of Southern California, Los Angeles, CA 90036, USA
IEEE Trans Ultrason Ferroelectr Freq Control 55:2683-91. 2008..Images of a posterior segment of an excised pig eye and a choroidal nevus of human eye were obtained both for single element and dual element transducers and compared to demonstrate the advantages of dual element harmonic imaging...
High-frequency ultrasound Doppler system for biomedical applications with a 30-MHz linear arrayXiaochen Xu
NIH Resource on Medical Ultrasonic Transducer Technology, Department of Biomedical Engineering, University of Southern California, Los Angeles, CA 90089, USA
Ultrasound Med Biol 34:638-46. 2008..These results demonstrated that this system may become an indispensable part of the current HF array-based imaging systems for small animal studies...
A high-frame rate high-frequency ultrasonic system for cardiac imaging in miceLei Sun
Department of Biomedical Engineering, University of Southern California, Los Angeles, CA 90089, USA
IEEE Trans Ultrason Ferroelectr Freq Control 54:1648-55. 2007..In vivo experiments showed that high-frequency ultrasonic imaging at 130 fps is capable of showing a detailed depiction of a beating mouse heart...
A high-frequency, high frame rate duplex ultrasound linear array imaging system for small animal imagingLequan Zhang
University of Southern California, Department of Biomedical Engineering, Los Angeles, CA
IEEE Trans Ultrason Ferroelectr Freq Control 57:1548-57. 2010..Sample in vivo cardiac high frame rate images and duplex images of mouse hearts are shown to assess its current imaging capability and performance for small animals...
Dual-focus therapeutic ultrasound transducer for production of broad tissue lesionsJong Seob Jeong
NIH Resource Center for Medical Ultrasonic Transducer Technology, Department of Biomedical Engineering, University of Southern California, Los Angeles, CA 90089 1111, USA
Ultrasound Med Biol 36:1836-48. 2010....
Design and fabrication of PZN-7%PT single crystal high frequency angled needle ultrasound transducersQifa Zhou
IEEE Trans Ultrason Ferroelectr Freq Control 55:1394-9. 2008..The two-way insertion loss was approximately 17 dB. Wire phantom imaging using fabricated PZN-7%PT single crystal transducers was obtained and spatial resolutions were assessed...
