Percutaneous closure of a single lobe and giant left atrial appendage using ‘kissing-Watchman’ technology with double devices: one case report

• Yi LIU, 
• Lin-ying XIA, 
• Hai-tao LIU, 
• Ru-tao WANG, 
• Wei GAO, 
• Xin MENG, 
• Xiao-na CHEN, 
• Ling TAO