Description  Claims  Drawing  Cited references 

US2005070957A1   [0003] 
US2014074155A1   [0004] 
WO2015020682A   [0029] 
WO2014159842A   [0041] 
WO2014200764A   [0041] 
WO2015061775A   [0041] 

Intentional right atrial exit for microcatheter infusion of pericardial carbon dioxide or iodinated contrast to facilitate sub-xiphoid access   [0041] 
Intentional right atrial exit and CO2 insufflation to facilitate subxiphoid needle entry into the empty pericardial space: first human experience   [0041]