<；P>；PROBLEM TO BE SOLVED: To provide a blood removing catheter which efficiently removes blood flowing into a coronary sinus from coronary arteries through a coronary vein to the outside of a body and shows the same operationality as catheters used in a conventional percutaneous coronary intervention or PCI. <；P>；SOLUTION: The blood removing catheter is equipped with a blood removing lumen in the inside and a hub 5 in the rear end part. When an equivalent diameter Dm is defined as (4×；Sm)/Lm, where the minimum circumferential cross-sectional area of the blood removing lumen is Sm, and a wetted perimeter is Lm, Dm is at least 1.80 mm. <；P>；COPYRIGHT: (C)2006,JPO&NCIPI
