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| dc.contributor.author | Dhali, Maruf Ahmed | |
| dc.date.accessioned | 2018-10-12T09:03:17Z | |
| dc.date.available | 2018-10-12T09:03:17Z | |
| dc.date.issued | 2012-11-15 | |
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P.900-905. 94 [37] Mizutani Y., Suzuki T., Ikeda H. and Yoshida H. Power maximizing of ultrasonic transducer driven by MOS-FET inverter operating at 1 MHz Proceedings of the IEEE IECON 22nd International Conference. 1996. P.983-986. [38] Brown J. A., Lockwood G. R. A low-cost, high-performance pulse generator for ultrasound imaging. IEEE transactions on ultrasonics ferroelectrics and frequency control. 2002. Vol 49. No 6. P. 848-851. [39] Experimental System Prototype of a Portable, Low-Cost, C-scan Ultrasound Imaging Device. Fuller, Michael et al. 2, s.l.: IEEE Transactions of Biomedical Engineering, 2008, Vol. 55. [40] Development of power supplies for portable HIFU therapy systems. NR Owen, MR Bailey, BJP Mortimer, H Kolve. s.l. : Proc. Int. Symp. Therapeutic Ultrasound, 2003. | en_US |
| dc.identifier.uri | http://hdl.handle.net/123456789/289 | |
| dc.description.abstract | Ultrasound continues to be one of the major tissue heating modalities used for the diathermy treatment of a number of medical conditions. Therefore there is innovation that is continually increasing the quality of the ultrasound diathermy systems currently available. However focus is just beginning to shift into the field of low-cost systems to facilitate the mass population. In this work a high power ultrasound system is developed that can deliver therapeutic acoustical energy waves to the ultrasound transducer probe at user defined frequency of 1MHz and 3MHz. Different output power and customized RCA connector facilitate the use of multiapplicator or probe. Output parameter of tone-burst mode is introduced along with continuous and pulsed mode. BJT is used for switching instead of FET, which has added some extra consumption of power but has greatly reduced the price. Still the low cost system is slightly held back with the high cost burden of piezoelectric probe, but enhanced with the new parameter of tone-burst mode. Experimental results are compared with simulation and practical tests with existing products. The total system is implemented using local hardware resources and hence the system is cost effective and beneficial for the third world countries. | en_US |
| dc.language.iso | en | en_US |
| dc.publisher | Department of Electrical and Electronic Engineering, Islamic University of Technology | en_US |
| dc.title | Design and analysis of therapeutic ultrasound systems to develop a diathermy device | en_US |
| dc.type | Thesis | en_US |
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2012 [9]