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. 2015 Jan 29;3:2. doi: 10.1186/s40349-014-0023-2

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© Yiallouras et al.; licensee BioMed Central. 2015

This is an Open Access article distributed under the terms of the Creative Commons Attribution License (http://creativecommons.org/licenses/by/4.0), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly credited. The Creative Commons Public Domain Dedication waiver (http://creativecommons.org/publicdomain/zero/1.0/) applies to the data made available in this article, unless otherwise stated.

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Strategy of creating overlapping lesions and thermal lesions and the grid ablation from a plane. (A) Strategy of creating overlapping lesions by moving the linear axis X and the angular axis θ (example of five linear steps and three angular steps). (B) Overlapping thermal lesions created in gel phantom using both the linear and angular stages of the positioning device. The intensity used was 1,200 W/cm² (spatial average in situ) for 10 s. The ablation grid was 10 × 5 with spacing between lesions of 2 mm for the linear stage and 3° for the angular stage. The plane is perpendicular to the ultrasonic beam. (C) The plane is parallel to the ultrasonic beam.