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 |
Patent application number | Description | Published |
20110319715 | ENCAPSULATED ENDOSCOPE SYSTEM IN WHICH ENDOSCOPE MOVES IN LUMEN BY ITSELF AND ROTATION OF IMAGE OF REGION TO BE OBSERVED IS CEASED - An encapsulated endoscope system in accordance with the present invention comprises: an encapsulated endoscope that rotates to develop a thrust; a controller that moves the encapsulated endoscope in an intended direction of advancement; an imaging unit incorporated in the encapsulated endoscope; and an image processing unit that receives image data sent from the imaging unit, and produces an image, which results from rotation of the received image data, according to the rotational phase of the encapsulated endoscope. | 12-29-2011 |
20130217966 | ENCAPSULATED ENDOSCOPE SYSTEM IN WHICH ENDOSCOPE MOVES IN LUMEN BY ITSELF AND ROTATION OF IMAGE OF REGION TO BE OBSERVED IS CEASED - An encapsulated endoscope system in accordance with the present invention comprises: an encapsulated endoscope that rotates to develop a thrust; a controller that moves the encapsulated endoscope in an intended direction of advancement; an imaging unit incorporated in the encapsulated endoscope; and an image processing unit that receives image data sent from the imaging unit, and produces an image, which results from rotation of the received image data, according to the rotational phase of the encapsulated endoscope. | 08-22-2013 |
20130245398 | CAPSULE-TYPE MEDICAL DEVICE - A capsule-type medical device comprises a capsule main unit having functions for being inserted into the body cavity and performing medical acts such as taking images or the like. The capsule main unit comprises therein a magnet which is acted upon by external magnetism, and a spiral portion on the outer perimeter, so that rotating force acting upon the magnet is readily converted into a propelling force for propelling the capsule-type medical device. A flexible insertion portion which is long and small in diameter is provided to the capsule main unit to allow smooth progression through the body cavity, and the center of gravity of the device is placed upon the longitudinal center axis of the capsule main unit, thus facilitating smooth progression through the body cavity. | 09-19-2013 |