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. 2021 May 7;21:232. doi: 10.1186/s12872-021-02028-z

Fig. 1.

Fig. 1

Schematic image depicting the key steps of traditional JBT and DKo techniques. a Coronry bifurcation lesion. b Stent deployment with jailed balloon protection. c Postdilation of bifurcation in traditional JBT caused carina shift. d POT, e compromise of side branch, c′ Kissing inflation of bifurcation core. d′ POT. e′ Patency of side branch. JBT, jailed balloon technique; DKo, double kissing inflation outside the stent; POT, proximal optimization technique