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. 2021 May 27;9(6):E971–E976. doi: 10.1055/a-1474-9932

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The Author(s). This is an open access article published by Thieme under the terms of the Creative Commons Attribution-NonDerivative-NonCommercial License, permitting copying and reproduction so long as the original work is given appropriate credit. Contents may not be used for commercial purposes, or adapted, remixed, transformed or built upon. (https://creativecommons.org/licenses/by-nc-nd/4.0/)

This is an open-access article distributed under the terms of the Creative Commons Attribution-NonCommercial-NoDerivatives License, which permits unrestricted reproduction and distribution, for non-commercial purposes only; and use and reproduction, but not distribution, of adapted material for non-commercial purposes only, provided the original work is properly cited.

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Fig. 1 a — VAC Stent: a silicone-coated Nitiolstent covered by a PU sponge cylinder at the outside connected by a tube to the vacuum pump. b Components of the VAC Stent: a silicone-coated Nitiolstent, a Polyurethan Sponge cylinder and a suction tube connected to vacuum pump. c After release the nitinol filaments unfold the VACStent to its original shape.