fig11
From: Transcatheter closure of patent ductus arteriosus: review of author's experiences and observations
Figure 11. Picture of the re-designed buttoned device (Folding Plug Device). BL: Button loop; Coc: counter-occluder; FP: polyurethane folding plug (arrows) surrounding the BL; LW: loading wire; Occ: occluder. Reproduced from Ref.[39].