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. 2019 Nov 25;7(12):E1652–E1657. doi: 10.1055/a-0961-7890

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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 — The novel fine gauge electrocautery dilator (Fine 025, Medico’s Hirata Inc., Japan, Osaka). The distal end of the outer dilator contains a metal tip, and the top of this metal tip is only 3 Fr. This electrocautery dilator is wire-guided, coaxial with the 0.025-inch guidewire. b Image of the tract and burning effect. Compared with a conventional electrocautery dilator, the burning effect of the novel electrocautery dilator is smaller at each effect setting.