公开(公告)号：US08049503B2

公开(公告)日：2011-11-01

申请号：US12825903

申请日：2010-06-29

申请人： Atsushi Kimura ,  Atsushi Chiba ,  Ryoji Sato ,  Hironao Kawano

发明人： Atsushi Kimura ,  Atsushi Chiba ,  Ryoji Sato ,  Hironao Kawano

IPC分类号： G01V3/00

CPC分类号： A61B1/042 ,  A61B1/00016 ,  A61B1/00036 ,  A61B1/00158 ,  A61B1/041 ,  A61B5/061 ,  A61B5/065 ,  A61B5/073

摘要： A system includes a body-insertable apparatus disposed while introduced in a subject in a detection space, and an external apparatus disposed on the outside of the subject. The body-insertable apparatus includes a first switch for connecting/interrupting a resonance circuit and an oscillation circuit or a ground line. The external apparatus includes a drive coil driving unit for outputting a drive signal having the resonance frequency; a drive coil for generating the drive magnetic field in the detection space in accordance with the drive signal; and a second switch for connecting/interrupting the drive coil driving unit and the drive coil. The second switch connects the drive coil driving unit and the drive coil when the first switch is off, and disconnects them when the first switch is on. The resonance circuit generates the resonance magnetic field in accordance with the induction signal or the drive magnetic field.

摘要翻译： 一种系统，包括被置于检测空间中的被检体内的身体插入装置，以及配置在被检体的外侧的外部装置。 身体可插入装置包括用于连接/中断谐振电路的第一开关和振荡电路或接地线。 外部装置包括用于输出具有共振频率的驱动信号的驱动线圈驱动单元; 驱动线圈，用于根据驱动信号在检测空间中产生驱动磁场; 以及用于连接/中断驱动线圈驱动单元和驱动线圈的第二开关。 当第一开关断开时，第二开关连接驱动线圈驱动单元和驱动线圈，并且当第一开关接通时将第二开关断开。 谐振电路根据感应信号或驱动磁场产生谐振磁场。

公开(公告)号：US20100049033A1

公开(公告)日：2010-02-25

申请号：US12514401

申请日：2007-11-12

申请人： Hironao Kawano ,  Atsushi Kimura ,  Akio Uchiyama ,  Atsushi Chiba

发明人： Hironao Kawano ,  Atsushi Kimura ,  Akio Uchiyama ,  Atsushi Chiba

IPC分类号： A61B5/05 ,  A61B1/00

CPC分类号： A61B1/00158 ,  A61B1/00016 ,  A61B1/041 ,  A61B1/042 ,  A61B5/06 ,  A61B5/066 ,  A61B34/73 ,  A61B90/39 ,  A61B2090/3958

摘要： 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.

摘要翻译： 提供了能够精确地检测医疗装置的方向的医疗装置引导系统的医疗装置位置检测系统和位置检测方法。 包括被引入主体身体的医疗器械; 设置在医疗装置中的磁场响应部通过具有磁化方向对磁场进行响应，并引导医疗装置; 形成被检者体内的磁场的磁场产生部; 方向检测用磁场控制部，其从所述磁场产生部生成用于检测所述医疗装置的方向的方向检测用磁场; 响应检测部分，检测由于方向检测磁场引起的磁场响应部分的响应; 以及方向计算部，其根据方向检测磁场的方向和响应检测部的检测结果来计算医疗装置的方向。

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：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：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：US09002434B2

公开(公告)日：2015-04-07

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 ,  G08B21/00 ,  A61B5/06 ,  A61B1/00 ,  A61B1/04 ,  A61B19/00 ,  A61B5/00

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，用于设定由交变磁场检测装置检测出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：US20100060472A1

公开(公告)日：2010-03-11

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）的位置和姿势的位置计算部（11）。

公开(公告)号：US20090137883A1

公开(公告)日：2009-05-28

申请号：US12324979

申请日：2008-11-28

申请人： Atsushi Chiba ,  Akio Uchiyama ,  Hironobu Takizawa ,  Ryoji Sato ,  Atsushi Kimura ,  Tetsuo Minai ,  Takeshi Mori

发明人： Atsushi Chiba ,  Akio Uchiyama ,  Hironobu Takizawa ,  Ryoji Sato ,  Atsushi Kimura ,  Tetsuo Minai ,  Takeshi Mori

IPC分类号： A61B5/07

CPC分类号： A61B5/0028 ,  A61B1/00016 ,  A61B1/041 ,  A61B5/062 ,  A61B5/073

摘要： A capsule medical system is provided with a capsule medical device to be inserted into a subject, at least one electrode pad having a plurality of receiving electrodes, a receiving electrode switching unit, a control unit for controlling operations of the receiving electrode switching unit, and a position detector. The capsule medical device has a biological information acquiring unit for acquiring biological information of the subject, and a transmitting unit for outputting the biological information from a transmitting electrode through a living body. At least one electrode pad detects the biological information by a plurality of receiving electrodes. The receiving electrode switching unit switches a pair of receiving electrodes among the plurality of receiving electrodes. The position detector detects a position of the capsule medical device inside the subject based on the biological information detected by the electrode pad, and position coordinate data of the plurality of receiving electrodes.

摘要翻译： 胶囊型医疗系统设置有插入被检体的胶囊型医疗装置，具有多个接收电极的至少一个电极焊盘，接收电极切换部，控制接收电极切换部的动作的控制部，以及 位置检测器。 胶囊型医疗装置具有用于获取被检体的生物信息的生物体信息取得部，以及通过活体从发送用电极输出生物体信息的发送部。 至少一个电极焊盘通过多个接收电极检测生物信息。 接收电极切换单元切换多个接收电极中的一对接收电极。 位置检测器基于由电极焊盘检测出的生物信息检测被检体内的胶囊型医疗装置的位置，并且检测多个接收电极的坐标数据。