Fig. 5

Device occlusion of type D multi-hole atrial septal defects and inter-defects septal puncture technique. A and B Type D Moderate-small-moderate layout. C The delivery sheath was crossing the middle small hole. D and E All defects were covered by a single device. a Defects layout. b The puncture needle was progressed through the chosen optimal midpoint. c A flexible guidewire and d the delivery sheath were passed through the puncture point into the left atrium. e Both defects were closed by a single device