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Article citations


Lingvall, F. (2004) Time-Domain Reconstruction Methods for Ultrasonic Array Imaging—A Statistical Approach. PhD Dissertation, Uppsala University, Uppsala.

has been cited by the following article:

  • TITLE: Evaluation of an Ultrasound-Guided Focused Ultrasound CMUT Probe for Targeted Therapy Applications

    AUTHORS: Dominique Gross, Mathieu Legros, Philippe Vince, Dominique Certon

    KEYWORDS: Capacitive Micromachined Ultrasonic Transducers, CMUT, USgFUS, Targeted Therapy

    JOURNAL NAME: Open Journal of Applied Sciences, Vol.8 No.1, January 30, 2018

    ABSTRACT: Capacitive Micromachined Ultrasonic Transducer (CMUT) technology, which has been widely studied in the field of medical imaging, possesses strong design flexibility due to its manufacturing process. Many applications could benefit from this unique feature, especially those that require different operating ultrasonic frequencies. This article reports on the characterization of the therapeutic low-frequency field provided by an ultrasound-guided focused ultrasound CMUT probe that is connected to a custom ultrasonic scanner for hyperthermia applications. The study begins by mapping the focused ultrasonic beam in the vicinity of the focal spot and a parametric analysis providing the maximum peak-to-peak (PTP) pressure delivered by the probe under different acoustic conditions. The measured maximum PTP pressure at the targeted operating frequency of 1 MHz is 3 MPa, with a maximum of 3.6 MPa at 1.25 MHz. Based on an in vitro setup found in the literature, the temperature elevation at the focal point was measured, showing results in agreement with the targeted applications (max. ΔT = 7.5°C). The article concludes with a reliability study considering the delivered pressure and the self-heating of the CMUT probe: the results show the good stability of the pressure amplitude over 1.8 × 109 cycles at a duty cycle of 40%, with a moderate internal heating of 3°C.