A catheter and a method for using the catheter for site specific delivery of agents to or collecting agents from biological spaces. The catheter includes an inner shaft longitudinally movable within an outer shaft, each shaft having at least one balloon and at least one lumen formed therein. The catheter...http://www.google.es/patents/US6692458?utm_source=gb-gplus-sharePatente US6692458 - Intra-pericardial drug delivery device with multiple balloons and method for angiogenesis
Intra-pericardial drug delivery device with multiple balloons and method for ...
