IMPROVED INTRA-AORTIC BALLOON CATHETER

摘要

An improved intra-arotic balloon catheter (21) of the present invention with a kink-resistant outer tube (22, 42) formed a helically wound metal coil (60) overlaid with a plastic covering (61) which maintains the patency of the air passageway, and a central tube (24, 44) forming a secondary lumen (45), formed of a strong resilient, flexible, kink-resistant material, such as a super elastic metal alloy.