SYSTEM FOR DETECTING POSITION OF MEDICAL DEVICE, MEDICAL DEVICE GUIDANCE SYSTEM, POSITION DETECTION METHOD FOR MEDICAL DEVICE GUIDANCE SYSTEM, AND METHOD FOR GUIDING MEDICAL DEVICE GUIDANCE SYSTEM
A medical device position detection system and a position detection method of a medical device guidance system, which are capable of detecting a direction of the medical device accurately, are provided. Included are a medical device (3) introduced into a subjects body a magnetic field response part (45) that is disposed in the medical device (3), responds to a magnetic field by virtue of possessing a magnetization direction, and guides the medical device (3) a magnetic field generation part (45) forming the magnetic field within the subjects body a direction detection magnetic field control part (49) generating a direction detection magnetic field from the magnetic field generation part (45) for detecting the direction of the medical device(3) a response detection part detecting a response of the magnetic field response part due to the direction detection magnetic field and a direction calculating part (35) calculating the direction of the medical device (3) according to the direction of the direction detection magnetic field and a detection result of the response detection part.