Fig. 7From: Transcatheter closure of secundum atrial septal defect using Cocoon septal occluder: immediate and long-term resultsDevice deployment using BAT technique. (A Equalizer balloon was inflated in RA touching the septum over the wire which was parked in LUPV, while the sheath was placed over the wire parked in RUPV; B left disk was partially opened just outside RUPV; C sheath was quickly pulled to open its remaining part)Back to article page