Patent ID: 8246603

Claim:
A catheter for a coronary artery having a distal end configured to be introduced into an opening of a coronary artery from an artery of an arm, comprising: a catheter main body including a main body portion having a substantially linear shape in a natural state and a curved portion including a portion extending from the main body portion to the distal end and having a curved shape in a natural state; the curved portion including a first curve extending from the main body portion in a curved state, an intermediate portion extending from the first curve, a second curve extending from the intermediate portion and curved in a direction same as a direction of curvature of the first curve, and an extreme distal end portion having a substantially linear shape in a natural state extending from the second curve; the first curve, intermediate portion and second curve existing in a substantially same plane; the extreme distal end portion extending, when the curved portion is positioned on the upper side of the main body portion and is viewed from a point of view at which the curved portion is positioned on a right side of the main body portion, substantially linearly and obliquely out of the plane in which the first curve, intermediate portion and second curve exist, wherein the curved portion is shaped so as to be selectively engageable with an opening of a left coronary artery and an opening of a right coronary artery.