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. 2019 Jul 4;14:130. doi: 10.1186/s13019-019-0952-5

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© The Author(s). 2019

Open AccessThis article is distributed under the terms of the Creative Commons Attribution 4.0 International License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution, and reproduction in any medium, provided you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license, and indicate if changes were made. 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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Fig. 4 — Device closure of type B and C multi-hole atrial septal defects. A Defects layout of type B. B The small defect was occluded first. C Then the delivery sheath was advanced through the large defect. D and E Double-device occlusion was achieved. a Defects configuration of type C cribriform. b The guiding sheath was advanced through the middle small central defect c introducing the flexible guidewire through the defect. d The delivery sheath was passed through the defect over the wire. e The single device occluded all the defects