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Large scale phased array and system for treatment of deep seated tissue

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2 Author(s)
Daum, D.R. ; Brigham & Women''s Hosp., Harvard Med. Sch., Boston, MA, USA ; Hynynen, K.

A custom built 512 channel system was designed to drive therapeutic ultrasound phased arrays. The system was used to drive a newly constructed 256 element phased array in a series of MR guided in vivo porcine experiments to coagulate deep seated tissue in the thigh, kidney, and liver. Thermal coagulation lesions greater than 5 cm3 in thigh and greater than 2 cm3 in the liver were generated using a single 20 second sonication. The feasibility of MR guided phased array ultrasound surgery to coagulate in vivo liver tissue in a large animal model has been shown

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Ultrasonics Symposium, 1998. Proceedings., 1998 IEEE  (Volume:2 )

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