a:4:{i:0;a:2:{s:4:"name";s:17:"Number of lumens:";s:3:"val";s:26:"triple-lumen, double-lumen";}i:1;a:2:{s:4:"name";s:17:"Area of the body:";s:3:"val";s:7:"biliary";}i:2;a:2:{s:4:"name";s:16:"Characteristics:";s:3:"val";s:7:"balloon";}i:3;a:2:{s:4:"name";s:12:"Application:";s:3:"val";s:9:"extractor";}}