Dr Daniela Branzan (University of Leipzig, Leipzig, DE) discusses FRONTIER IV - 
Data with a large hole closure device.

1.Can you tell us about the VIVASURE CLOSURE DEVICE™?
2.What was the design of FRONTIER IV?
3.What were your key findings?
4.What are the key implications for clinical practice?

Interviewer: Mirjam Boros 
Videographer: Mike Knight