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    Optimization of ultrasound array designs for high intensity focused treatment of prostate cancer and benign prostatic hyperplasia

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    Date
    2009-03-27
    Type
    Article
    Author
    Lweesy, Khaldon
    Fraiwan, Luay
    Al-Bataineh, Osama
    Hamdi, Naser
    Dickhaus, Hartmut
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    Abstract
    This paper describes the optimization of designing a two-dimensional (2-D) ultrasound phased array to be used for the treatment of both prostate cancer and benign prostatic hyperplasia. The optimization study took into consideration the physical constraints of the conventional method of treatment, and arrived at an optimized array design with the overall dimensions of 10 cm × 2.2 cm. The optimization study also addressed the following additional parameters: The maximum possible depth of penetration (DOP), the maximum possible steering angle, the Grating lobe level, the operating frequency, and the element size. In optimizing the design, the DOP and the steering angle are maximized while the grating lobe value is minimized. A 56 × 12 element 2-D array was found to be the optimum choice allowing both focusing and steering within the entire prostate without inducing damage at locations other than that of the focal point.
    URI
    https://dspace.adu.ac.ae/handle/1/764
    DOI
    https://doi.org/10.1007/s11517-009-0478-4
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    • Electrical Engineering

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