MEDICAL DEVICE POSITION DETECTION SYSTEM, MEDICAL DEVICE GUIDANCE SYSTEM, POSITION DETECTION METHOD OF MEDICAL DEVICE GUIDANCE SYSTEM, AND GUIDANCE METHOD OF MEDICAL DEVICE GUIDANCE SYSTEM
First Claim
1. A medical device position detection system, comprising:
- a medical device introduced into a subject'"'"'s body;
a magnetic field response part that is disposed in the medical device, responds to a magnetic field by virtue of possessing a magnetization direction, and guides the medical device;
a magnetic field generation part generating a magnetic field within the subject'"'"'s body;
a direction detection magnetic field control part generating a direction detection magnetic field, from the magnetic field generation part, for detecting a direction of the medical device;
a response detection part detecting the response of the magnetic field response part due to the direction detection magnetic field; and
a direction calculation part calculating the direction of the medical device according to a direction of the direction detection magnetic field and a detection result of the response detection part.
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Accused Products
Abstract
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 introduced into a subject'"'"'s body; a magnetic field response part that is disposed in the medical device, responds to a magnetic field by virtue of possessing a magnetization direction, and guides the medical device; a magnetic field generation part forming the magnetic field within the subject'"'"'s body; a direction detection magnetic field control part generating a direction detection magnetic field from the magnetic field generation part for detecting the direction of the medical device; 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 calculating the direction of the medical device according to the direction of the direction detection magnetic field and a detection result of the response detection part.
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Citations
14 Claims
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1. A medical device position detection system, comprising:
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a medical device introduced into a subject'"'"'s body; a magnetic field response part that is disposed in the medical device, responds to a magnetic field by virtue of possessing a magnetization direction, and guides the medical device; a magnetic field generation part generating a magnetic field within the subject'"'"'s body; a direction detection magnetic field control part generating a direction detection magnetic field, from the magnetic field generation part, for detecting a direction of the medical device; a response detection part detecting the response of the magnetic field response part due to the direction detection magnetic field; and a direction calculation part calculating the direction of the medical device according to a direction of the direction detection magnetic field and a detection result of the response detection part. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12)
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13. A position detection method of a medical device guidance system, comprising the steps of:
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a magnetic field generation part generating a direction detection magnetic field for detecting a magnetization direction of a magnetic field response part provided in a medical device; detecting a response of the magnetic field response part; and detecting a direction of the medical device from the response of the magnetic field response part and a direction of the direction detection magnetic field. - View Dependent Claims (14)
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Specification