Fig. 2From: Perventricular double-device closure of wide-spaced multi-hole perimembranous ventricular septal defect a The PmVSD had two holes, and the maximum distance between the holes was more than 5 mm; b The largest hole was occluded with the direct delivery system; c The residual hole was occluded with the probe-assisted delivery system; d The double devices were positioned properly, and there was no residual shuntBack to article page