Patent application number | Description | Published |
20080319262 | Medical Device Control System - A medical device control system improves an inducing stability and operability of a medical device having its direction controlled with magnetism, which is used for the inspection or treatment in a subject's body. The control system is formed of a medical device including an insertion member inserted into the subject's body, and a magnetic field response portion disposed within the insertion member for generating torque in response to the magnetic field applied from outside the subject's body, a direction detection unit that detects an insertion direction of the insertion member, a user interface through which the information with respect to the control of the insertion direction is input and output, a magnetic field generation portion that generates a magnetic field that directs the insertion member to a control direction, and a user interface control unit that controls the user interface based on a discordance between the control direction and the insertion direction. | 12-25-2008 |
20090018396 | Indwelling device for encapsulated medical device, in-vivo indwelling device for capsule endoscope, and capsule-indwelling medical device - An already-existing and general-purpose capsule endoscope for alimentary canal is enabled to be used to monitor a body cavity by directly diverting the already-existing and general-purpose capsule endoscope to a body-cavity-indwelling capsule endoscope in a simple and secure manner. An indwelling device for an encapsulated medical device of the invention includes a latching portion | 01-15-2009 |
20090018434 | POSITION DETECTION APPARATUS AND MEDICAL-DEVICE-POSITION DETECTION SYSTEM - A position detection apparatus and a medical-device-position detection system that have improved position detection accuracy are provided by setting high amplification for the position detection apparatus. The position detection apparatus includes a circuit that has at least one embedded coil ( | 01-15-2009 |
20090076325 | IN-VIVO INFORMATION ACQUIRING APPARATUS, IN-VIVO INFORMATION ACQUIRING SYSTEM, AND IN-VIVO INFORMATION ACQUIRING METHOD - To stably and properly monitor an inside of a body by using an easily operable placement technique, a capsule endoscope | 03-19-2009 |
20090124872 | IN-VIVO INFORMATION ACQUISITION APPARATUS AND IN-VIVO INFORMATION ACQUISITION APPARATUS SYSTEM - There is provided an in-vivo information acquisition apparatus capable of detecting high-accuracy in-vivo information substantially at the same time in a plurality of different examination sites in a body cavity and an in-vivo information acquisition apparatus system capable of introducing a plurality of in-vivo information acquisition apparatuses into a patient at the same time. The in-vivo information acquisition apparatus includes a specimen-collecting section for collecting a specimen at an examination site in a body cavity, a specimen-evaluating section for evaluating the specimen collected by the specimen-collecting section and outputting an evaluation result, a labeling section having identification information unique to the in-vivo information acquisition apparatus, a communication section for receiving a signal transmitted from the outside and for transmitting to the outside the evaluation result output by the specimen-evaluating section, and a power supply section for supplying electrical power. | 05-14-2009 |
20090171190 | MEDICAL DEVICE POSITION DETECTING SYSTEM, MEDICAL DEVICE GUIDING SYSTEM, AND POSITION DETECTING METHOD FOR MEDICAL DEVICE - Position detection of a medical device is prevented from being impossible even when the frequency characteristic of a magnetic induction coil is varied in accordance with the state of an external magnetic field for guiding the medical device. A medical device position detecting system is a medical device position detecting system which is inserted into the body of a subject and guided by an external magnetic field, and it is equipped with a resonance circuit that is mounted in the medical device, contains a magnetic induction coil having a magnetic material inside and generates an alternate magnetic field, an alternate magnetic field detecting device that is disposed at the outside of an operation region of the medical device and detects the alternate magnetic field generated by the magnetic induction coil, a position information calculator for calculating position information of the medical device on the basis of the detected alternate magnetic field, and a frequency setting unit for setting at least one of the frequency of the alternate magnetic field detected by the alternate magnetic field detecting device and the frequency of the alternate magnetic field generated by the magnetic induction coil on the basis of at least one of the intensity and direction of an external magnetic field at the position of the magnetic induction coil. | 07-02-2009 |
20090281387 | CAPSULE-TYPE MEDICAL APPARATUS, GUIDANCE SYSTEM AND GUIDANCE METHOD THEREFOR, AND INTRASUBJECT INSERTION APPARATUS - Using a guidance system with a simple configuration, propulsive motion along a longitudinal direction and changing of the propulsion direction are easily performed with good precision and stability. There is provided a capsule-type medical apparatus | 11-12-2009 |
20090295386 | POSITION DETECTION SYSTEM - A position detection system that does not require calibration measurement to be performed in advance and reduces the work required for detecting a position and so on is provided. The provided position detection system includes a device having a magnetic inductance coil; a drive coil that has a position-calculating frequency near a resonant frequency of the magnetic inductance coil and generates an alternating magnetic field which acts on the magnetic inductance coil; a plurality of magnetic-field sensors that is disposed outside the operating range of the device and detects an induced magnetic field generated by the magnetic inductance coil; amplitude-component detection section for detecting amplitude components whose phase is substantially orthogonal to the alternating magnetic field from the outputs of the magnetic sensors acquired by the plurality of magnetic sensors; and position analyzing section for calculating at least one of a position and an orientation of the device on the basis of the amplitude components. | 12-03-2009 |
20090326323 | CAPSULE MEDICAL DEVICE AND CAPSULE MEDICAL DEVICE SYSTEM - Smooth guiding through the inside of a body cavity is carried out by a magnetic field applied from the outside of the body. The provided capsule medical device ( | 12-31-2009 |
20100219825 | POSITION DETECTION SYSTEM AND POSITION DETECTION METHOD - A position detection system and a position detection method in which the accuracy of position measurement of a device is not decreased after a change in the resonant frequency of a magnetic induction coil are provided. The position detection system includes a device having a magnetic induction coil; a driving coil that generates an alternating magnetic field, to be applied to the magnetic induction coil, having a position-calculating frequency in the vicinity of a resonant frequency of the magnetic induction coil; a plurality of magnetic sensors that detects an induced magnetic field generated by the magnetic induction coil when the alternating magnetic field is applied thereto; a measurement-reference-value calculating section ( | 09-02-2010 |
20100307517 | MEDICAL DEVICE CONTROL SYSTEM - A medical device control system improves an inducing stability and operability of a medical device having its direction controlled with magnetism, which is used for the inspection or treatment in a subject's body. The control system is formed of a medical device including an insertion member inserted into the subject's body, and a magnetic field response portion disposed within the insertion member for generating torque in response to the magnetic field applied from outside the subject's body, a direction detection unit that detects an insertion direction of the insertion member, a user interface through which the information with respect to the control of the insertion direction is input and output, a magnetic field generation portion that generates a magnetic field that directs the insertion member to a control direction, and a user interface control unit that controls the user interface based on a discordance between the control direction and the insertion direction. | 12-09-2010 |
20120143047 | POSITION DETECTION APPARATUS AND MEDICAL-DEVICE-POSITION DETECTION SYSTEM - A position detection apparatus and a medical-device-position detection system that have improved position detection accuracy are provided by setting high amplification for the position detection apparatus. The position detection apparatus includes a circuit that has at least one embedded coil ( | 06-07-2012 |
20120203068 | CAPSULE GUIDING SYSTEM - A capsule guiding system includes a magnetic guiding unit, a displaying unit, an operation unit, and a control unit. The magnetic guiding unit guides, using magnetic force, a capsule-shaped medical apparatus introduced inside a subject. The displaying unit displays an image of the subject and an image of the capsule-shaped medical apparatus as an overlapped image, and changes relative position and relative direction between the two images as the capsule-shaped medical apparatus is guided by the magnetic guiding unit. The operation unit inputs coordinate information which specifies movement direction of the capsule-shaped medical apparatus. The control unit adjusts coordinate system of the displaying unit and coordinate system of the operation unit to be consistent with each other, transforms the coordinate information input from the operation unit into the coordinate system of the magnetic guiding unit, and controls the guiding of the capsule-shaped medical apparatus based on the transformed coordinate information. | 08-09-2012 |
20130184526 | CAPSULE-TYPE MEDICAL APPARATUS, GUIDANCE SYSTEM AND GUIDANCE METHOD THEREFOR, AND INTRASUBJECT INSERTION APPARATUS - Using a guidance system with a simple configuration, propulsive motion along a longitudinal direction and changing of the propulsion direction are easily performed with good precision and stability. There is provided a capsule-type medical apparatus which is inserted into the body of a subject and is guided by an external magnetic field, the capsule-type medical apparatus comprising: a substantially cylindrical capsule; a propulsion mechanism for converting rotary motion about a longitudinal axis R of the capsule into propulsive motion along the longitudinal axis R; a magnet accommodated inside the capsule and disposed in such a manner that the magnetic-pole direction thereof can be switched between a direction along the longitudinal axis R and a direction intersecting the longitudinal axis R; and a securing portion for securing the magnet to the capsule in each of the switched states of the magnetic-pole direction. | 07-18-2013 |