Figure 3
![Figure 3](http://media.springernature.com/full/springer-static/image/art%3A10.1186%2F1749-8090-9-27/MediaObjects/13019_2013_Article_1416_Fig3_HTML.jpg)
There were transthoracic minimally invasive closure devices. A was the puncture needle; B was the guide wire with a soft and floppy end; C was the livery sheath; D was the vsd occluder.
There were transthoracic minimally invasive closure devices. A was the puncture needle; B was the guide wire with a soft and floppy end; C was the livery sheath; D was the vsd occluder.