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：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：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：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：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。