fig6
From: Transcatheter closure of patent ductus arteriosus: review of author's experiences and observations
Figure 6. (A and B) Cartoon of the buttoned device. (C and D) Photograph of the buttoned device. (A) shows button loop. (B) details components of the device. © shows occluder (Occ), (D) depicts counter-occluder (COcc). Sh: sheath.