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1. 发明专利

JP2005305048A Apparatus and method for positioning patient 审中-公开
标题翻译：用于定位患者的装置和方法
公开(公告)号：JP2005305048A
公开(公告)日：2005-11-04
申请号：JP2004130138
申请日：2004-04-26
申请人： Mitsubishi Electric Corp , 三菱電機株式会社
发明人： SAWADA AKIRA , YODA KIYOSHI
IPC分类号： G21K5/00 , A61B19/00 , A61N5/10 , G21K5/04
摘要： PROBLEM TO BE SOLVED: To provide an apparatus and a method for positioning a patient with high accuracy. SOLUTION: The method for positioning the patient comprises first steps S1-S3, second steps S4-S5, third steps S6-S9, and fourth step S8 to determine the position of the patient, wherein the first steps being steps wherein images in the body of the patient are input as reference images to provide the bone edge image of a specific region in the reference images, the second steps being steps wherein images in the body of the patient under treatment are input as check images to provide the bone edge image of a specific region in the check images, the third steps being steps wherein the relative amount of shift between the bone edge image of a specific region in the reference images and the bone edge image of a specific region in the check images is referred to as a position-determining parameter, which is changed to calculate the normalized correlation between both the images, so that the correlation values between both the images are calculated against the position-determining parameters, and the fourth step being a step wherein the degree of coincidence between both the images is evaluated from the calculated correlation values to determine the optimal value of the position-determining parameters in the check images. COPYRIGHT: (C)2006,JPO&NCIPI
摘要翻译：要解决的问题：提供一种高精度定位患者的装置和方法。解决方案：用于定位患者的方法包括第一步骤S1-S3，第二步骤S4-S5，第三步骤S6-S9和第四步骤S8，以确定患者的位置，其中第一步骤是步骤，其中图像输入患者身体作为参考图像以提供参考图像中特定区域的骨边缘图像，第二步骤是将被治疗的患者体内的图像输入为检查图像以提供骨骼检查图像中的特定区域的边缘图像，第三步骤是参考图像中的特定区域的骨边缘图像与检查图像中的特定区域的骨边缘图像之间的相对偏移量的参考作为位置决定参数，其被改变以计算两个图像之间的归一化相关性，使得两个图像之间的相关值相对于位置确定参数计算并且第四步骤是根据所计算的相关值来评估两个图像之间的一致度以确定检查图像中的位置确定参数的最佳值的步骤。版权所有（C）2006，JPO＆NCIPI

2. 发明专利

JP2004282113A Antenna for automobile 审中-公开
公开(公告)号：JP2004282113A
公开(公告)日：2004-10-07
申请号：JP2003066512
申请日：2003-03-12
申请人： Mitsubishi Electric Corp , 三菱電機株式会社
发明人： YODA KIYOSHI
IPC分类号： H01Q1/32 , H01Q1/22 , H01Q7/00
摘要： PROBLEM TO BE SOLVED: To propose an antenna for an automobile having a magnetic flux strength distribution in which a relatively higher magnetic flux strength is held inside a vehicle cabin and the magnetic flux strength is drastically attenuated outside the vehicle cabin.
SOLUTION: The antenna for the automobile is so composed that it has a loop antenna element surrounding the vehicle cabin. A plurality of the antenna elements are arranged in the direction perpendicular to an axle of the automobile. The antenna element has a floor line segment arranged at the floor in the vehicle cabin, a ceiling line segment arranged on the ceiling, and first/second side wall line segments arranged to a pair of the side walls. The respective line segments are arranged so as to surround the vehicle cabin. The loop antenna element imparts the high magnetic flux strength to the inside of the vehicle cabin. The magnetic flux strength is drastically attenuated outside the vehicle cabin.
COPYRIGHT: (C)2005,JPO&NCIPI

3. 发明专利

JP2003117010A RADIOTHERAPY DEVICE, PROGRAM AND COMPUTER-READABLE RECORDING MEDIUM RECORDING PROGRAM 审中-公开
公开(公告)号：JP2003117010A
公开(公告)日：2003-04-22
申请号：JP2002134380
申请日：2002-05-09
申请人： MITSUBISHI ELECTRIC CORP
发明人： SAWADA AKIRA , YODA KIYOSHI , HIRAOKA MASAHIRO , NAGATA YASUSHI , KOKUBO MASAKI
IPC分类号： A61N5/10 , A61B6/03 , A61B8/00 , G06T1/00
摘要： PROBLEM TO BE SOLVED: To provide a radiotherapy device of non-invasion and high safety capable of applying the radiation with high accuracy by detecting the behavior of a treated part caused by patient's breathing and pulsation, or the movement of the body without enlarging or excessively complicating the device itself, and to provide a program used in operating the device, and a computer-readable recording medium recording the program. SOLUTION: An ultrasonic image for treatment plan is simultaneously picked up in picking up a CT image for treatment plan, whether a correlation value of both ultrasonic images is more than a predetermined value or not is determined on the basis of the comparison of the ultrasonic image for treatment picked up at real time with the ultrasonic image for treatment plan in the treatment, and a radiation applying means is controlled to apply the radiation to the treated part only when the correlation value is more than the predetermined value.

4. 发明专利

JP2002267754A ABSORBED DOSE MEASURING DEVICE FOR INTENSITY MODULATION THERAPY 失效
公开(公告)号：JP2002267754A
公开(公告)日：2002-09-18
申请号：JP2001072172
申请日：2001-03-14
申请人： MITSUBISHI ELECTRIC CORP
发明人： NISHIZAWA HIROSHI , YODA KIYOSHI , MATSUO KEIICHI
IPC分类号： G01T1/02 , A61B6/00 , A61N5/10 , G01T1/00 , G01T1/20 , G01T7/00
摘要： PROBLEM TO BE SOLVED: To provide an IMRT dose measuring device capable of quickly and precisely measuring the three-dimensional integrated absorbed dose distribution within a phantom 3 in IMRT. SOLUTION: In the IMRT dose measuring device, radiation is emitted to a phantom connected body comprising a scintillation fiber block 204a by a transparent plastic phantom 202a, and the scintillation fiber block 20a emits light in proportion to the radiation absorbed quantity. The light intensity distribution in the end surface of the scintillation fiber block is measured by an image measuring instrument 205, and the three-dimensional absorbed dose distribution is measured on the basis of this. The three-dimensional absorbed dose distributions for a plurality of radiation beam emissions are added together, whereby the three-dimensional integrated absorbed dose distribution within the phantom 202a can be quickly and precisely measured.

5. 发明专利

JP2002263208A RADIOTHERAPY PLANNING DEVICE AND RADIOTHERAPY PLANNING METHOD 失效
公开(公告)号：JP2002263208A
公开(公告)日：2002-09-17
申请号：JP2001063292
申请日：2001-03-07
申请人： MITSUBISHI ELECTRIC CORP
发明人： YODA KIYOSHI
IPC分类号： A61N5/10
摘要： PROBLEM TO BE SOLVED: To provide a radiotherapy planning device capable of easily finding an improperly inputted constraint in optimization computing for an irradiation condition of radiation. SOLUTION: This radiotherapy planning device deciding a beam weight vector of radiation for applying a radioactive ray to a region of interest includes a display means displaying a change with the lapse of time of an evaluation term value during optimization computing of an evaluation function.

6. 发明专利

JP2001291091A DEVICE AND METHOD FOR PROCESSING IMAGE 失效
公开(公告)号：JP2001291091A
公开(公告)日：2001-10-19
申请号：JP2000257242
申请日：2000-08-28
申请人： MITSUBISHI ELECTRIC CORP
发明人： SAWADA AKIRA , YODA KIYOSHI
IPC分类号： A61B6/03 , A61B5/055 , G06T1/00 , G06T3/00 , G06T5/00 , G06T15/08 , H04N1/387 , G06T15/00
摘要： PROBLEM TO BE SOLVED: To provide an image processor which can easily set each color that can be identified or the opacity, etc., when plural display objects are represented in the same three-dimensional space. SOLUTION: This image processor which composes the 1st and 2nd images and displays them is provided with a 1st image input part which inputs the 1st image having the 1st intensity distribution, a 2nd image input part which inputs the 2nd image having the 2nd intensity distribution, an intensity distribution conversion part which converts the 2nd intensity distribution into a 3rd intensity distribution that does no overlap the 1st intensity distribution, a feature value mapping part which maps the feature value in the 2nd area set on the 2nd image, a composing processing part which composes the 1st and 2nd images to make a 1st area overlap a 2nd area according to the intensity distribution of the 2nd area where the feature value in the 3rd intensity distribution is mapped and generates a synthetic image and a display part which displays the synthetic image.

7. 发明专利

JP2001029491A DEVICE AND METHOD FOR CALCULATING EXPOSURE VALUE AND RECORDING MEDIUM 失效
公开(公告)号：JP2001029491A
公开(公告)日：2001-02-06
申请号：JP20220899
申请日：1999-07-15
申请人： MITSUBISHI ELECTRIC CORP
发明人： YODA KIYOSHI
IPC分类号： A61N5/10 , A61B6/00
摘要： PROBLEM TO BE SOLVED: To provide a device and method for calculating exposure values whereby appropriate exposures matching prescription data can be set, and a recording medium. SOLUTION: Prescription data about a target prescribed by a doctor and a dose to an organ of concern is input by a prescription data input means 11, and a first evaluation value calculating means 14 and a second evaluation value calculating means 16 calculate a variety of indexes according to the prescription data. First and second evaluation values for the prescription data are calculated from the indexes. Exposure from each hilum is calculated so that the evaluation values are minimized, i.e., they satisfy the prescription data.

8. 发明专利

JP2000317000A CONTROL UNIT OF RADIATION IRRADIATION DEVICE FOR RADIATION THERAPY 失效
公开(公告)号：JP2000317000A
公开(公告)日：2000-11-21
申请号：JP13289599
申请日：1999-05-13
申请人： MITSUBISHI ELECTRIC CORP
发明人： YODA KIYOSHI , AOKI YUKIMASA
IPC分类号： A61N5/10
摘要： PROBLEM TO BE SOLVED: To obtain a control unit of radiation irradiation device for radiation therapy of reducing the computer time when the constraint condition is changed. SOLUTION: It has a means 110, which sets the initial solution of irradiation beam weight, a means 102, which inputs the constraint condition based on a prescription, a means 103, which sets an evaluation function based on the constraint condition, a means 104, which decides the beam weight to be the minimum evaluation function to be the optimum radiation irradiation with the iteration calculation and a means 105, which outputs the solution of the optimum radiation irradiation to the radiation irradiation device. When the constraint condition is changed, to set new evaluation function based on the constraint condition, which is the one after changing, and to decide the beam weight to be optimum radiation irradiation, the optimum solution of beam weight, which is gained as a initial solution of irradiation beam weight by the setting means 110 before the constraint condition, is used.

9. 发明专利

JPH10272117A METHOD FOR DETERMINING WOUND WIRE SHAPE OF GRADIENT MAGNETIC FIELD GENERATING COIL 失效
公开(公告)号：JPH10272117A
公开(公告)日：1998-10-13
申请号：JP9531697
申请日：1997-03-28
申请人： MITSUBISHI ELECTRIC CORP
发明人： TAKEUCHI TOSHIE , YODA KIYOSHI
IPC分类号： G01R33/385 , A61B5/055 , H01F5/00
摘要： PROBLEM TO BE SOLVED: To make it possible to appropriately determine the wound wire shape of a flat surface type gradient magnetic field generating coil, to be applied to an open type MRI magnet, which generates a high linear gradient magnet field, by a method wherein a plurality of magnetic field setting points are set in the vicinity of the surface of a specified spherical region, and undetermined constants are calculated by using the coordinates of the magnetic field setting points. SOLUTION: When the radius of a photographing region where a gradient magnetic field is planned to be generated is taken to be R1, and distances from the center O of the photographing region to arrangement planned locations of a main coil 2a and a shield coil 2b are taken to be a1, a2, 0

10. 发明专利

JPH09152363A ESTIMATION METHOD FOR INTERNAL STATE OF OBJECT SYSTEM 失效
公开(公告)号：JPH09152363A
公开(公告)日：1997-06-10
申请号：JP31452095
申请日：1995-12-01
申请人： MITSUBISHI ELECTRIC CORP
发明人： YODA KIYOSHI , SAITOU YOSHIHISA
IPC分类号： G01D21/00 , G01R29/08 , G01R33/10 , G06F17/00 , G06F17/14 , G06F19/00 , G06Q10/00 , G06Q50/00 , G06Q50/10
摘要： PROBLEM TO BE SOLVED: To provide an estimation method in which the internal state of an object system can be estimated with good accuracy by a method wherein measured data is wavelet-converted and processed. SOLUTION: An internal-state-density vector (x), an observation vector (b) and a system matrix A are defined respectively (ST1, ST2). A system equation A.x=b based on them is wavelet-converted, and a converted equation Ai .xi =bi is obtained (ST4). A partial square matrix Ap in which the relative error of its solution is at a prescribed value or lower is searched, and a partial system equation Ap .xp =bp based on it is solved (ST6). A zero element is added to its solution xp , and a vector xi in which a vector length is made indetical to the observation vector (b) is constituted (ST7). It is wavelet-reversed, and the internal-state-density vector (x) is estimated (ST8).

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