Patent ID: 8192447
Filing Date: 2012-06-05
Classification: A61B,A61N

Abstract:
1. A medical device comprising: a positioning catheter configured to be inserted into a coronary vein or a coronary artery in the vicinity of an affected region in the left atrium; a treatment catheter configured to be inserted to reach the affected region in the left atrium; attracting means provided at respective predetermined positions of both the catheters to apply a magnetic force in a direction of attracting each other; wherein the magnetic force of the attracting means restricts floating of the treatment catheter; wherein the attracting means includes magnets provided at any one of the positioning catheter and the treatment catheter and to-be-attracted members provided on the other of the catheters, and the magnets are provided at a leading end portion of any one of the catheters at two or more positions so as to be axially spaced apart from each other and the to-be-attracted members are provided at an leading end portion of the other of the catheters at two or more positions so as to be axially spaced apart from each other.