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：US20070244388A1

公开(公告)日：2007-10-18

申请号：US11629340

申请日：2005-12-16

申请人： Ryoji Sato ,  Akio Uchiyama ,  Atsushi Kimura ,  Hironao Kawano

发明人： Ryoji Sato ,  Akio Uchiyama ,  Atsushi Kimura ,  Hironao Kawano

IPC分类号： A61B5/06

CPC分类号： A61B1/041 ,  A61B1/00147 ,  A61B1/00158 ,  A61B1/042 ,  A61B5/062 ,  A61B5/7232 ,  A61B34/73

摘要： There are provided a position detection system, a guidance system, and a position detection method which obviate the need for frequency adjustment of an alternating magnetic field used in position detection of a device and which allow the device to be made more compact and less expensive. There are included a device (capsule endoscope 20) provided with a magnetic induction coil, a drive coil 51 for generating an alternating magnetic field, a plurality of magnetic sensors 52 for detecting an induced magnetic field, a frequency determining section 50B for determining a position calculating frequency based on a resonance frequency of the magnetic induction coil, and a position analyzing unit 50A for calculating, at the position calculating frequency, at least one of the position and the orientation of the device 20 based on the difference between outputs from the magnetic sensors 52 when only the alternating magnetic field is applied and outputs from the magnetic sensors 52 when the alternating magnetic field and the induced magnetic field are applied; and at least one of a frequency range of the alternating magnetic field and an output frequency range of the magnetic field sensors is limited based on the position calculating frequency.

摘要翻译： 提供了一种位置检测系统，引导系统和位置检测方法，其不需要在设备的位置检测中使用的交变磁场的频率调整，并且允许该设备更加紧凑和更便宜。 包括设置有磁感应线圈的装置（胶囊型内窥镜20），用于产生交变磁场的驱动线圈51，用于检测感应磁场的多个磁传感器52，用于确定 基于磁感应线圈的共振频率的位置计算频率;以及位置分析单元50A，用于根据位置计算频率的输出之间的差异来计算装置20的位置和取向中的至少一个 当仅施加交变磁场的磁传感器52和当施加交变磁场和感应磁场时来自磁传感器52的输出; 并且基于位置计算频率来限制交变磁场的频率范围和磁场传感器的输出频率范围中的至少一个。

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：US08386020B2

公开(公告)日：2013-02-26

申请号：US12307490

申请日：2007-06-29

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： A61B5/055 ,  A61B1/00

CPC分类号： A61B1/041 ,  A61B1/00016 ,  A61B1/00158 ,  A61B5/0031 ,  A61B5/061 ,  A61B5/073 ,  A61B34/70 ,  A61B34/73 ,  A61B2034/732 ,  A61B2090/3925 ,  A61B2090/3958 ,  G06F19/00

摘要： 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 (5X-1, 5X-2, 5Y-1, 5Y-2, 5Z-1, 5Z-2) that forms a control magnetic field for guidance control of the medical device, inside a prescribed control area; a detection unit (7Y-1, 7Y-2) that detects positional information of the medical device; and a computational unit that judges that the medical device has gone outside the control area on the basis of an output from the detection unit (7Y-1, 7Y-2) and calculates a direction for returning the medical device to the control area, wherein a signal-waveform calculating unit (21) stops forming the control magnetic field when the medical device is outside the control area.

摘要翻译： 可以容易地应对医疗装置在适于引导控制的区域之外的情况。 包括设有磁铁的医疗器械; 在规定的控制区域内形成用于医疗装置的引导控制的控制磁场的引导单元（5X-1，5X-2,5Y-1,5Y-2,5Z-1,5Z-2） 检测单元（7Y-1,7Y-2），其检测医疗装置的位置信息; 以及计算单元，其基于来自所述检测单元（7Y-1,7Y-2）的输出判定所述医疗装置已经在所述控制区域外，并计算将所述医疗装置返回到所述控制区域的方向，其中， 当医疗装置在控制区域外部时，信号波形计算单元（21）停止形成控制磁场。

公开(公告)号：US20100179782A1

公开(公告)日：2010-07-15

申请号：US12729370

申请日：2010-03-23

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

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

IPC分类号： G06F19/00 ,  G01B7/00

CPC分类号： A61B34/73 ,  A61B1/00158 ,  A61B1/041 ,  A61B1/05 ,  A61B5/062 ,  A61B2034/2051 ,  A61M25/0127

摘要： A position detecting device includes a position calculator that performs an optimization convergence calculation using an evaluation function that expresses an error between a measurement value and a theoretical value of magnetic field information of a detection target to calculate at least a position of the detection target; a storage unit that stores a final convergence result of the optimization convergence calculation performed by the position calculator; and a controller that determines whether a result of the optimization convergence calculation converges, suspends the optimization convergence calculation performed by the position calculator when the result does not converge, and performs, after a predetermined time has passed, a returning process of returning a state of the optimization convergence calculation to a converged state by causing the position calculator to perform the optimization convergence calculation based on the final convergence result.

摘要翻译： 位置检测装置包括位置计算器，其使用表示测量值与检测对象的磁场信息的理论值之间的误差的评估函数进行优化收敛计算，以至少计算检测对象的位置; 存储单元，存储由位置计算器执行的优化收敛计算的最终收敛结果; 以及控制器，其判定所述优化收敛计算的结果是否收敛，并且在所述结果不收敛时暂停由所述位置计算器执行的优化收敛计算，并且在经过预定时间之后执行返回的返回处理 通过使位置计算器基于最终收敛结果进行优化收敛计算，将优化收敛计算成会聚状态。

公开(公告)号：US20090227840A1

公开(公告)日：2009-09-10

申请号：US12394695

申请日：2009-02-27

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

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

IPC分类号： A61B1/00

CPC分类号： A61B5/073 ,  A61B1/00016 ,  A61B1/00158 ,  A61B1/041 ,  A61B5/062 ,  A61B34/73

摘要： A capsule guiding system includes: an electrode pad arranged outside a human body to perform human body communication with a capsule endoscope and detect at least one of position and direction of the capsule endoscope; a magnetically guiding device which moves the capsule endoscope; a detector which detects a relative position between the electrode pad and the magnetically guiding device; a calculator which calculates at least one of the position and direction of the capsule endoscope based on a detection value of the electrode pad, and calculates at least one of an absolute position and direction of the capsule endoscope with respect to the magnetically guiding device based on at least one of the position and direction of the capsule endoscope and the relative position detected by the detector; and a control unit which controls the magnetically guiding device based on at least one of the absolute position and direction.

摘要翻译： 胶囊引导系统包括：布置在人体外部的电极垫，以与胶囊内窥镜进行人体连通，并检测胶囊型内窥镜的位置和方向中的至少一个; 使胶囊型内窥镜移动的导磁装置; 检测器，其检测所述电极焊盘和所述导磁装置之间的相对位置; 计算器，其基于所述电极焊盘的检测值来计算所述胶囊型内窥镜的位置和方向中的至少一个，并且基于所述导磁装置计算所述胶囊型内窥镜的绝对位置和方向中的至少一个，基于 胶囊型内窥镜的位置和方向中的至少一个以及检测器检测到的相对位置; 以及控制单元，其基于所述绝对位置和方向中的至少一个来控​​制所述导磁装置。

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：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。