公开(公告)号：US08447382B2

公开(公告)日：2013-05-21

申请号：US12787705

申请日：2010-05-26

申请人： Atsushi Kimura ,  Ryoji Sato ,  Atsushi Chiba ,  Takahiro Iida

发明人： Atsushi Kimura ,  Ryoji Sato ,  Atsushi Chiba ,  Takahiro Iida

IPC分类号： A61B5/05

CPC分类号： A61B5/06 ,  A61B1/00158 ,  A61B1/041 ,  A61B5/0031 ,  A61B5/062 ,  A61B5/7257

摘要： A body-insertable device including a resonance circuit for emitting a resonance magnetic field by being induced by a drive magnetic field received from the outside. An external device for deriving position information of the resonance circuit by using a detection signal of detected resonance magnetic field. The external device includes a drive coil driving unit for outputting a drive signal having a predetermined frequency, a drive coil for receiving the output drive signal and generating the drive magnetic field, and a drive magnetic field generation control unit for calculating an amplitude value of the drive signal by using a current amplitude value of the drive signal, detecting a degree of stability indicating whether a sharp change occurs in the drive magnetic field based on the calculated amplitude value, and controlling the deriving of a position information based on the detected degree of stability in the drive magnetic field.

摘要翻译： 一种被检体内导入装置，具有通过由从外部接收的驱动磁场感应而发出共振磁场的谐振电路。 一种用于通过使用检测到的谐振磁场的检测信号来导出谐振电路的位置信息的外部装置。 外部装置包括用于输出具有预定频率的驱动信号的驱动线圈驱动单元，用于接收输出驱动信号并产生驱动磁场的驱动线圈和用于计算驱动磁场产生控制单元的振幅值的驱动磁场产生控制单元， 通过使用驱动信号的当前振幅值来检测驱动信号，基于计算出的振幅值检测指示在驱动磁场中是否发生急剧变化的稳定度，并且基于检测到的程度来控制位置信息的导出 驱动磁场的稳定性。

公开(公告)号：US20110181273A1

公开(公告)日：2011-07-28

申请号：US12882336

申请日：2010-09-15

申请人： Takahiro Iida ,  Atsushi Chiba ,  Atsushi Kimura ,  Akio Uchiyawa

发明人： Takahiro Iida ,  Atsushi Chiba ,  Atsushi Kimura ,  Akio Uchiyawa

IPC分类号： G01R33/00

CPC分类号： A61B1/041 ,  A61B1/00158 ,  A61B5/062 ,  A61B5/073 ,  A61B5/7257

摘要： To provide a position detecting system including a detected object disposed in a detection space and an external device disposed outside the detection space. The detected object includes a resonant circuit that generates a resonant magnetic field according to a driving magnetic field formed in the detection space, and the external device includes at least two drive coils that form the driving magnetic field in the detection space, at least two drive-signal input units that respectively input a drive signal for forming the driving magnetic field to the drive coils, at least one sense coil that detects a magnetic field formed in the detection space, a signal adjustment unit that adjusts a phase and an amplitude of the drive signal input to each of the drive coils by the drive-signal input units, based on a magnetic field detected by the sense coil, and a position deriving unit that derives a position of the detected object based on the magnetic field detected by the sense coil.

摘要翻译： 提供一种位置检测系统，其包括设置在检测空间中的检测物体和设置在检测空间外部的外部装置。 所检测的物体包括谐振电路，其根据形成在检测空间中的驱动磁场产生谐振磁场，并且外​​部装置包括在检测空间中形成驱动磁场的至少两个驱动线圈，至少两个驱动 - 信号输入单元，其分别将用于形成驱动磁场的驱动信号输入到驱动线圈;至少一个检测在检测空间中形成的磁场的感测线圈;信号调节单元，其调整所述驱动线圈的相位和幅度 基于由感测线圈检测的磁场，由驱动信号输入单元输入到每个驱动线圈的驱动信号;以及位置导出单元，其基于由感测检测到的磁场导出检测到的对象的位置 线圈

公开(公告)号：US08868372B2

公开(公告)日：2014-10-21

申请号：US12879441

申请日：2010-09-10

申请人： Takahiro Iida ,  Atsushi Chiba ,  Atsushi Kimura

发明人： Takahiro Iida ,  Atsushi Chiba ,  Atsushi Kimura

IPC分类号： G01C9/00 ,  G01C19/00 ,  A61B1/04 ,  G06F3/01 ,  A61B19/00 ,  A61B5/06 ,  A61B1/00 ,  A61B1/06 ,  A61B5/00

CPC分类号： A61B1/041 ,  A61B1/00016 ,  A61B1/00032 ,  A61B1/00158 ,  A61B1/0684 ,  A61B5/062 ,  A61B5/7257 ,  A61B34/20 ,  G06F3/011

摘要： A position detecting system having a predicting unit for calculating a moving amount by which a detected object is predicted to move between a first time and a second time after a predetermined time from the first time, and for predicting at least one of a position and a direction of the detected object at the second time, and a control unit for controlling a position detecting unit based on the at least one of the position and the direction of the detected object at the second time predicted by the predicting unit.

摘要翻译： 一种位置检测系统，具有预测单元，该预测单元用于计算检测对象被预测为在从第一次起的预定时间之后的第一时间和第二时间之间移动的移动量，并且用于预测位置和位置检测系统中的至少一个， 第二时间检测对象的方向，以及控制单元，用于基于由预测单元预测的第二时间的检测对象的位置和方向中的至少一个来控​​制位置检测单元。

公开(公告)号：US08217645B2

公开(公告)日：2012-07-10

申请号：US12882336

申请日：2010-09-15

申请人： Takahiro Iida ,  Atsushi Chiba ,  Atsushi Kimura ,  Akio Uchiyama

发明人： Takahiro Iida ,  Atsushi Chiba ,  Atsushi Kimura ,  Akio Uchiyama

IPC分类号： G01B7/14

CPC分类号： A61B1/041 ,  A61B1/00158 ,  A61B5/062 ,  A61B5/073 ,  A61B5/7257

摘要： A position detecting system including: a detected object disposed in a space; and an external device disposed outside the space, wherein the detected object includes a resonant circuit, and the external device includes at least two drive coils; at least two drive-signal input units; at least one sense coil; a signal adjustment unit that adjusts a phase or amplitude of a drive signal using an evaluation function for evaluating the phase or the amplitude, based on an intensity of the magnetic field; and a position deriving unit that derives a position of the detected object based on a magnetic field detected by the sense coil, wherein the evaluation function derives a solution by adding or multiplying a weight set according to a positional relation between each drive coil and each sense coil to or by an intensity of a magnetic field detected by the sense coils.

摘要翻译： 一种位置检测系统，包括：设置在空间中的检测对象; 以及设置在所述空间外部的外部装置，其中所述检测对象包括谐振电路，并且所述外部装置包括至少两个驱动线圈; 至少两个驱动信号输入单元; 至少一个感测线圈; 信号调整单元，其基于磁场的强度，使用用于评价相位或幅度的评价函数来调整驱动信号的相位或幅度; 以及位置导出单元，其基于由所述感测线圈检测的磁场导出所述检测对象的位置，其中，所述评估函数通过将根据每个驱动线圈和每个感测之间的位置关系的权重集合相加或相乘来得出解 线圈到或由感测线圈检测到的磁场强度。

公开(公告)号：US08446147B2

公开(公告)日：2013-05-21

申请号：US12595400

申请日：2008-04-18

申请人： Atsushi Chiba ,  Akio Uchiyama ,  Atsushi Kimura ,  Ryoji Sato

发明人： Atsushi Chiba ,  Akio Uchiyama ,  Atsushi Kimura ,  Ryoji Sato

IPC分类号： G01B7/14 ,  A61B5/05

CPC分类号： A61B5/06 ,  A61B1/00158 ,  A61B1/041 ,  A61B5/062 ,  A61B34/20 ,  A61B2034/2051 ,  A61B2090/3958 ,  G01B7/003

摘要： 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.

摘要翻译： 提供了一种位置检测装置，其包括：第一磁场产生单元，包括至少一个磁场产生线圈，并且在检测空间中产生第一磁场，其中检测对象设置有包括至少一个内置线圈 被处置 磁场检测单元，具有多个检测线圈，其被排列成通过所产生的第一磁场来检测从内置线圈产生的感应磁场; 以及第二磁场产生单元，其包括产生第二磁场的至少一个磁场产生线圈，并且包括具有与第一磁场基本相反的相位并进入检测线圈的磁场分量，其中， 第一磁场产生单元和检测线圈被布置成使得第一磁场的产生方向和感应磁场的检测方向彼此相交。

公开(公告)号：US08335556B2

公开(公告)日：2012-12-18

申请号：US12304917

申请日：2007-06-27

申请人： Akio Uchiyama ,  Atsushi Kimura ,  Ryoji Sato ,  Atsushi Chiba

发明人： Akio Uchiyama ,  Atsushi Kimura ,  Ryoji Sato ,  Atsushi Chiba

IPC分类号： A61B5/00

CPC分类号： A61B5/073 ,  A61B1/00016 ,  A61B1/00032 ,  A61B1/00036 ,  A61B1/00158 ,  A61B1/041 ,  A61B1/0684 ,  A61B5/062 ,  A61B5/7232 ,  A61B5/726 ,  A61B34/73

摘要： 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 (1) includes a bio-information detecting device (5) for detecting bio information of the inside of a body cavity; a magnet (12) for receiving a guidance magnetic field applied from outside the body and generating a driving force; a coil (7) for receiving a position-detection magnetic field applied from outside the body and generating a position-detection signal; a filter device (8), connected to the coil (7), for attenuating an induction signal component which is generated by the guidance magnetic field incident on the coil (7); and a wireless transmission device (10) for externally transmitting the position-detection signal which has passed through the filter device (8) and the bio information which has been detected by the bio-information detecting device (5).

摘要翻译： 通过从身体外部施加的磁场来进行通过体腔内部的平滑引导。 所提供的胶囊医疗装置（1）包括用于检测体腔内部的生物信息的生物信息检测装置（5） 磁体（12），用于接收从体外施加的引导磁场并产生驱动力; 线圈（7），用于接收从身体外部施加的位置检测磁场并产生位置检测信号; 连接到线圈（7）的滤波器装置（8），用于衰减由入射到线圈（7）上的引导磁场产生的感应信号分量; 以及用于外部发送已经通过过滤装置（8）的位置检测信号和由生物信息检测装置（5）检测到的生物信息的无线传输装置（10）。

公开(公告)号：US20090326323A1

公开(公告)日：2009-12-31

申请号：US12304917

申请日：2007-06-27

申请人： Akio Uchiyama ,  Atsushi Kimura ,  Ryoji Sato ,  Atsushi Chiba

发明人： Akio Uchiyama ,  Atsushi Kimura ,  Ryoji Sato ,  Atsushi Chiba

IPC分类号： A61B1/00

CPC分类号： A61B5/073 ,  A61B1/00016 ,  A61B1/00032 ,  A61B1/00036 ,  A61B1/00158 ,  A61B1/041 ,  A61B1/0684 ,  A61B5/062 ,  A61B5/7232 ,  A61B5/726 ,  A61B34/73

摘要： 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 (1) includes a bio-information detecting device (5) for detecting bio information of the inside of a body cavity; a magnet (12) for receiving a guidance magnetic field applied from outside the body and generating a driving force; a coil (7) for receiving a position-detection magnetic field applied from outside the body and generating a position-detection signal; a filter device (8), connected to the coil (7), for attenuating an induction signal component which is generated by the guidance magnetic field incident on the coil (7); and a wireless transmission device (10) for externally transmitting the position-detection signal which has passed through the filter device (8) and the bio information which has been detected by the bio-information detecting device (5).

摘要翻译： 通过从身体外部施加的磁场来进行通过体腔内部的平滑引导。 所提供的胶囊医疗装置（1）包括用于检测体腔内部的生物信息的生物信息检测装置（5） 磁体（12），用于接收从体外施加的引导磁场并产生驱动力; 线圈（7），用于接收从身体外部施加的位置检测磁场并产生位置检测信号; 连接到线圈（7）的滤波器装置（8），用于衰减由入射到线圈（7）上的引导磁场产生的感应信号分量; 以及用于外部发送已经通过过滤装置（8）的位置检测信号和由生物信息检测装置（5）检测到的生物信息的无线传输装置（10）。

公开(公告)号：US20090171190A1

公开(公告)日：2009-07-02

申请号：US12095341

申请日：2006-12-04

申请人： Akio Uchiyama ,  Atsushi Kimura ,  Ryoji Sato ,  Atsushi Chiba

发明人： Akio Uchiyama ,  Atsushi Kimura ,  Ryoji Sato ,  Atsushi Chiba

IPC分类号： A61B5/05 ,  G01B7/14 ,  G05B1/06 ,  A61B1/00

CPC分类号： A61B5/06 ,  A61B1/00158 ,  A61B1/041 ,  A61B5/062 ,  A61B5/7232 ,  A61B2034/732 ,  G06F19/00

摘要： 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.

摘要翻译： 即使当根据用于引导医疗装置的外部磁场的状态改变磁感应线圈的频率特性时，也不会妨碍医疗装置的位置检测。 医疗器械位置检测系统是医疗器械位置检测系统，其被插入被检体的体内并被外部磁场引导，并且配备有安装在医疗装置中的谐振电路，其包含磁感应 线圈，其内部具有磁性材料并产生交替的磁场;交替磁场检测装置，设置在医疗装置的操作区域的外部，并检测由磁感应线圈产生的交替磁场;位置信息计算器 用于基于检测到的交变磁场计算医疗装置的位置信息;以及频率设定单元，用于设定由交替磁场检测装置检测的交变磁场的频率和交替磁场的频率中的至少一个频率 至少基于磁感应线圈产生的磁场 在磁感应线圈的位置处的外部磁场的强度和方向之一。

公开(公告)号：US08692682B2

公开(公告)日：2014-04-08

申请号：US12441631

申请日：2007-09-28

申请人： Atsushi Kimura ,  Akio Uchiyama ,  Ryoji Sato ,  Atsushi Chiba

发明人： Atsushi Kimura ,  Akio Uchiyama ,  Ryoji Sato ,  Atsushi Chiba

IPC分类号： G08B21/00

CPC分类号： A61B5/06 ,  A61B1/041 ,  A61B5/062 ,  A61B5/073

摘要： 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 (3) that generates a position-detection magnetic field; a detection object (5) including a resonant circuit (21) that generates a resonant magnetic field and an external-signal switch that connects or disconnects the path of the resonant circuit (21); a switch-controlling unit (7) that controls connecting or disconnecting of the external-signal switch; a position-detection-magnetic-field detecting unit (9) that detects the magnetic field strength of at least one of the position-detection magnetic field and the resonant magnetic field; and a position-calculating unit (11) that calculates the position and orientation of the detection object (5) based on a detection signal from the position-detection-magnetic-field detecting unit (9).

摘要翻译： 提供了一种用于检测对象的位置检测系统和用于在检测对象被引入检测空间之后能够在不移除检测对象的情况下进行校准的检测对象的位置检测方法。 提供产生位置检测磁场的磁场产生单元（3） 包括产生谐振磁场的谐振电路（21）和连接或断开谐振电路（21）的路径的外部信号开关的检测对象（5）。 开关控制单元（7），其控制外部信号开关的连接或断开; 位置检测用磁场检测单元，其检测所述位置检测用磁场和所述共振磁场中的至少一个的磁场强度; 以及基于来自所述位置检测用磁场检测部（9）的检测信号来计算检测对象（5）的位置和取向的位置计算部（11）。

公开(公告)号：US08419620B2

公开(公告)日：2013-04-16

申请号：US13617839

申请日：2012-09-14

申请人： Hidetake Segawa ,  Atsushi Chiba ,  Atsushi Kimura

发明人： Hidetake Segawa ,  Atsushi Chiba ,  Atsushi Kimura

IPC分类号： A61B1/00 ,  A61B19/00 ,  A61B5/05 ,  H01F1/00

CPC分类号： A61B1/00158 ,  A61B1/00016 ,  A61B1/00036 ,  A61B1/041 ,  A61B5/062 ,  A61B5/065 ,  A61B5/073 ,  A61B34/73 ,  A61B2034/732

摘要： A magnetically guiding system includes: a capsule medical device that has a magnet provided therein; an information acquiring unit that acquires physical information about magnetic guiding of the capsule medical device; a magnetic field generating unit that generates a magnetic field for magnetically guiding the capsule medical device; and a control unit that sets a magnetic field condition based on the physical information acquired by the information acquiring unit and controls the magnetic field generating unit to generate a magnetic field corresponding to the magnetic field condition.