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Ultrasound surgery with a toric transducer allows the treatment of large volumes over short periods of time
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10.1063/1.2805113
/content/aip/journal/apl/91/19/10.1063/1.2805113
http://aip.metastore.ingenta.com/content/aip/journal/apl/91/19/10.1063/1.2805113
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Figures

Image of FIG. 1.
FIG. 1.

(a) Schematic diagram of the therapeutic device. An ultrasound imaging probe is located in the center of the device. (b) Pressure field obtained in water at from the emitting surface for all the transducers working in phase. (c) The outer diameter of the produced focal zone was at from the emitting surface for all the transducers working in phase. (d) Temperature profile obtained during a single lesion at the focus and from the edge of the lesion ( from the focus).

Image of FIG. 2.
FIG. 2.

(a) Typical single lesion created in with of acoustic power and observed after the treatment. The eight emitters have performed alternative and consecutive ultrasound exposures. The lesion has an off-white color which is sometimes dark at the most heated points. (b) HIFU lesions observed on sonograms after a exposure.

Image of FIG. 3.
FIG. 3.

Impact of focused ultrasound using a toric HIFU transducer with alternative and consecutive activations of the emitters on liver tissues. Sections were stained with nicotinamide adenine dinucleotide diaphorase. Viable cells are represented by the dark area and dead cells by the white area. (a) There was no evidence of intact cells in treated regions, (b) whereas in the sharply demarcated surrounding tissue there was no evidence of cell damage.

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/content/aip/journal/apl/91/19/10.1063/1.2805113
2007-11-05
2014-04-20
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Ultrasound surgery with a toric transducer allows the treatment of large volumes over short periods of time
http://aip.metastore.ingenta.com/content/aip/journal/apl/91/19/10.1063/1.2805113
10.1063/1.2805113
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