15 March 2016 Integrated transrectal probe for translational ultrasound-photoacoustic imaging
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Abstract
A compact photoacoustic transrectal probe is constructed for improved imaging in brachytherapy treatment. A 192 element 5 MHz linear transducer array is mounted inside a small 3D printed casing along with an array of optical fibers. The device is fed by a pump laser and tunable NIR-optical parametric oscillator with data collected by a Verasonics ultrasound platform. This assembly demonstrates improved imaging of brachytherapy seeds in phantoms with depths up to 5 cm. The tuneable excitation in combination with standard US integration provides adjustable contrast between the brachytherapy seeds, blood filled tubes and background tissue.
Conference Presentation
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Kevan L. Bell, Tyler Harrison, Nawaid Usmani, Roger J. Zemp, "Integrated transrectal probe for translational ultrasound-photoacoustic imaging", Proc. SPIE 9708, Photons Plus Ultrasound: Imaging and Sensing 2016, 97080A (15 March 2016); doi: 10.1117/12.2211885; https://doi.org/10.1117/12.2211885
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