| Patent application number | Description | Published |
| 20100022835 | MEDICAL-DEVICE GUIDANCE SYSTEM - A situation where a medical device is outside a region suitable for guidance control thereof can be easily coped with. Included are a medical device provided with a magnet; a guiding unit ( | 01-28-2010 |
| 20100049033 | 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 - 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. | 02-25-2010 |
| 20100056866 | MEDICAL GUIDANCE SYSTEM AND CONTROL METHOD OF MEDICAL DEVICE - A medical guidance system and a control method of a medical device are provided, which may increase the drive force of a medical device and improve controllability thereof. The medical guidance system has a medical device that includes a biologic information acquisition unit that acquires biologic information of the inside of a body cavity and a magnet that generates drive force in response to a magnetic field exerted from the outside of a body, a magnetic field generation unit | 03-04-2010 |
| 20100060472 | POSITION DETECTION SYSTEM FOR DETECTION OBJECT AND POSITION DETECTION METHOD FOR DETECTION OBJECT - A position detection system for a detection object and a position detection method for a detection object that enable calibration without removing a detection object after the detection object is introduced into a detection space are provided. Provided are a magnetic-field generating unit ( | 03-11-2010 |
| 20100073185 | POSITION DETECTION SYSTEM, MEDICAL-DEVICE GUIDANCE SYSTEM, AND POSITION DETECTION METHOD - There is provided a position detection system ( | 03-25-2010 |
| 20100134096 | POSITION DETECTING DEVICE, MEDICAL DEVICE GUIDING SYSTEM, POSITION DETECTING METHOD, AND MEDICAL DEVICE GUIDING METHOD - Provided is a position detecting device including a first magnetic-field generating unit including at least one magnetic-field generating coil and that generates a first magnetic field in a detection space where a detected object provided with a circuit including at least one built-in coil is disposed; a magnetic-field detecting unit having a plurality of detecting coils arrayed to detect an induced magnetic field generated from the built-in coil by the generated first magnetic field; and a second magnetic-field generating unit including at least one magnetic-field generating coil, that generates a second magnetic field, and including a magnetic-field component having a phase substantially opposite to the first magnetic field and entering the detecting coils, wherein the first magnetic-field generating unit and the detecting coils are disposed so that a generating direction of the first magnetic field and a detecting direction of the induced magnetic field intersect each other. | 06-03-2010 |
| 20100164484 | POSITION DETECTION SYSTEM AND POSITION DETECTION METHOD - The position or the direction of a first marker which produces an alternating magnetic field by means of an external power supply is detected precisely even if the first marker coexists with a second marker which includes a resonance circuit having a resonance frequency the same as or close to the frequency of the alternating magnetic field. There is provided a position detection system including a first marker that produces a first alternating magnetic field having a single set of first position-calculating frequencies that are a predetermined frequency away from each other; a second marker provided with a magnetic induction coil having as a resonance frequency a substantially central frequency interposed between the single set of first position-calculating frequencies; a magnetic-field detection section that is disposed outside the working region and that detects a magnetic field at the first position-calculating frequencies; an extracting section that extracts from the detected magnetic field the sum of the intensities of a single set of first detection-magnetic-field components having the single set of first position-calculating frequencies; and a position/direction analyzing section that calculates the position or the direction of the first marker based on the extracted sum. | 07-01-2010 |