CN106963380A - Method and system for locating patient in medical device - Google Patents

Method and system for locating patient in medical device Download PDF

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Publication number
CN106963380A
CN106963380A CN201710208636.9A CN201710208636A CN106963380A CN 106963380 A CN106963380 A CN 106963380A CN 201710208636 A CN201710208636 A CN 201710208636A CN 106963380 A CN106963380 A CN 106963380A
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China
Prior art keywords
patient
scanning
position information
medical device
positioning
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CN201710208636.9A
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Chinese (zh)
Inventor
卢智博
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上海联影医疗科技有限公司
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Priority to CN201310055278.4A priority Critical patent/CN104000588B/en
Priority to CN201710208636.9A priority patent/CN106963380A/en
Publication of CN106963380A publication Critical patent/CN106963380A/en

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    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00Detecting, measuring or recording for diagnostic purposes; Identification of persons
    • A61B5/05Detecting, measuring or recording for diagnosis by means of electric currents or magnetic fields; Measuring using microwaves or radiowaves
    • A61B5/055Detecting, measuring or recording for diagnosis by means of electric currents or magnetic fields; Measuring using microwaves or radiowaves involving electronic [EMR] or nuclear [NMR] magnetic resonance, e.g. magnetic resonance imaging
    • A61B5/0555Means for positioning of patients
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B6/00Apparatus for radiation diagnosis, e.g. combined with radiation therapy equipment
    • A61B6/04Positioning of patients; Tiltable beds or the like
    • A61B6/0407Tables or beds

Abstract

The invention discloses a method and system for locating a patient in a medical device. The method comprises the steps that personal information of the patient is input so as to obtain a human body model matched with the patient; position information of a scanning part of the patient is calculated; the position information of a target position is determined; the scanning part is moved to the target position. The position information of the scanning part of the patient is obtained in the following steps that firstly, the patient is transported in a scanning cavity of the medical device; secondly, position information of a scanning bed relative to the target position is determined; thirdly, the patient is placed on the scanning bed, and the position information of the patient on the scanning bed is determined; fourthly, the perimeter of a patient body is calculated through a plurality of distance detectors on the inner wall of the scanning cavity of the medical device, the corresponding human body model is optimized, and the position information of the scanning part of the patient is calculated according to optimized human body model combined with the position information of the scanning bed and the positioning information of the patient on the scanning bed. The method and system for locating the patient in the medical device can reduce operation time.

Description

在医疗设备中定位患者的方法和系统 Patient positioning methods and systems in the medical facility

[0001] 本申请是于2013年02月21日提交中国专利局、申请号为201310055278.4、发明名称为“在医疗设备中定位患者的方法和系统”的中国专利申请的分案。 [0001] This application is filed on February 21, 2013 China Patent Office Application No. 201310055278.4, entitled "Positioning the patient in medical devices methods and systems," the Chinese divisional patent applications. 【技术领域】 TECHNICAL FIELD

[0002] 本发明是有关一种在医疗设备中定位患者的方法和系统。 [0002] The present invention relates to a positioning of the patient in the medical facility system and method. 【技术背景】 【technical background】

[0003] 在现有的医疗设备中定位患者的系统一般通过在医疗设备上设置观察孔,操作人员通过观察孔来手动的定位患者。 [0003] The patient positioning system in a conventional medical device is generally provided by a hole in the observation of the medical device, the operator manually positioning the patient through the viewing aperture. 此种系统需要耗时的操作,不利于操作人员的操作。 Such a system requires a time-consuming operation, is not conducive to the operation of the operator. 当采用激光观察器来定位患者时,由于激光定位器发出的激光束可能损害眼睛,所以在定位时, 医生需要告知患者闭上眼睛。 When observed using a laser to locate the patient, since the laser beam emitted by the laser positioning may damage the eyes, so positioning, doctors need to inform the patient eyes closed. 对于特殊患者,需要进行眼部的遮挡,如此增加了医生的操作时间。 For the particular patient, the need for shielding the eye, thus increasing the doctor's operating time.

[0004] 中国专利公告第CN100556365C号专利掲示了一种在医疗设备中定位患者的系统, 操作人员通过遥控扫描床,并在显示器上观察患者的位置,来将患者的扫描部位移动到目标位置。 [0004] Chinese Patent Publication No. CN100556365C Pat kei illustrates a system for positioning a patient in a medical device, the operator by remote scanning table, and observe the position of the patient on the display to move the scanned portion of the patient to the target position. 此种定位患者的系统需要人的操作才能将扫描部位移动到目标位置,如此增加了操作人员的操作过程。 Such patient positioning system requires people to move operations to scan the site to the target location, thus increasing the operation of the operator.

[0005] 因此,确有必要提供一种改进的在医疗设备中定位患者的方法和系统,以克服上述在医疗设备中定位患者的方法和系统存在的缺陷。 [0005] Thus, necessary to provide a method and system of positioning a patient in an improved medical devices, in order to solve the problems in the patient positioning system and method for medical devices. 【发明内容】 [SUMMARY]

[0006] 本发明的目的是提供一种可以减少操作人员的操作步骤并降低操作时间的在医疗设备中定位患者的方法和系统。 [0006] The object of the present invention is to provide a procedure can reduce the operator and the system and method of reducing positioning of the patient in the medical device operating time.

[0007] 本发明的在医疗设备中定位患者的方法是通过以下技术方案实现:一种在医疗设备中定位患者的方法,其包括: [0007] In the method of the present invention, a patient positioning the medical device is achieved by the following technical solutions: A method for positioning a patient in a medical device, comprising:

[0008] 输入患者的个人信息以获取与患者相匹配的人体模型; [0008] Enter the patient's personal information to obtain a mannequin to match with the patient;

[0009] 计算患者扫描部位的位置信息; [0009] calculated location information of the scanning part of the patient;

[0010] 确定目标位置的位置信息; [0010] determining the location information of the target position;

[0011] 通过控制系统控制扫描床移动从而将扫描部位移动到目标位置; [0011] whereby the scanning part moves to the target position by the control system controlling the scanning movement of the bed;

[0012] 所述计算患者扫描部位的位置信息是通过如下方式得到的: [0012] The position information calculation scanned portion of the patient is obtained by the following manner:

[0013] 将患者移入医疗设备的扫描腔; [0013] The scanning chamber into a patient a medical device;

[0014] 确定扫描床相对所述目标位置的位置信息; [0014] scanning table to determine the relative position of the position information of the target;

[0015] 将患者放在扫描床上,确定患者在扫描床上的位置信息; [0015] A patient on the scanner bed, the scanning position information of the patient bed is determined;

[0016]通过设置在医疗设备的扫描腔内壁上的若干个距离探测器,计算出患者身体的围径,并优化对应的人体模型,根据所述优化后人体模型并结合扫描床的位置信息及患者在扫描床上的位置信息计算出患者扫描部位的位置信息。 [0016] By providing a plurality of probe scanning from an intracavitary wall of the medical device, the calculated path around the patient's body, the human body model and the corresponding optimization, the optimization according to the mannequin and the scanning table conjunction with location information and scanning the patient bed position information calculates the position information of the scanning part of a patient.

[0017]在优选的实施方式中,所述距离探测器设置在医疗设备的扫描腔的内壁上,所述距离探测器包括位于X或Y方向上的第一距离探测器和第二距离探测器,所述距离探测器还包括位于与第一距离探测器与第二距离探测器的连线的中垂线上的第三距离探测器。 [0017] In a preferred embodiment, the distance detector is provided on an inner wall of the medical device of the scanning chamber, the distance from the detector comprises a first detector located on the X or Y direction and the second distance detector the distance from the probe further comprises a third detector located in connection with the first distance detector and the second detector distance on the perpendicular bisector.

[0018] 在优选的实施方式中,所述距离探测器的信号源是红外、超声或者激光。 [0018] In a preferred embodiment, the distance detector is an infrared source, ultrasound or laser.

[0019] 在优选的实施方式中,所述目标位置为磁共振设备的等中心点。 [0019] In a preferred embodiment, the position of the target isocenter of the magnetic resonance device.

[0020] 在优选的实施方式中,所述人体模型包括躯干长、头径围以及说明摆位姿势的参数。 [0020] In a preferred embodiment, the human model comprises a torso length, head diameter and circumference described placement posture parameter.

[0021] 本发明的在医疗设备中定位患者的系统是通过以下技术方案实现:一种在医疗设备中定位患者的系统,其特征在于,其包括: [0021] The present invention is a positioning system of a patient in a medical device is achieved by the following technical solution: A medical device in the patient positioning system, characterized in that it comprises:

[0022] 构建模块,用于构建与患者匹配的人体模型; [0022] building blocks for constructing a human body model with patient-matched;

[0023]计算模块,用于根据人体模型计算患者扫描部位的位置信息; [0023] calculation means for calculating the position information of the scanning site of the patient in accordance with the human body model;

[0024]确定模块,用于确定目标位置的位置信息; [0024] determining means for determining the position information of the target position;

[0025]移动模块,用于通过控制系统控制扫描床移动从而将扫描部位移动到目标位置; [0026] 所述计算患者扫描部位的位置信息是通过如下方式得到的: [0025] moving means for moving the scanning so that the control site to the target position through the scanning table movement control system; location information [0026] The computing site of a patient scan mode is obtained by:

[0027] 将患者移入医疗设备的扫描腔; [0027] The scanning chamber into a patient a medical device;

[0028] 确定扫描床相对所述目标位置的位置信息; [0028] scanning table to determine the relative position of the position information of the target;

[0029]将患者放在扫描床上,确定患者在扫描床上的位置信息; [0029] A patient on the scanner bed, the scanning position information of the patient bed is determined;

[0030]通过设置在医疗设备的扫描腔内壁上的若干个距离探测器,计算出患者身体的围径,并优化对应的人体模型,根据所述优化后人体模型并结合扫描床的位置信息及患者在扫描床上的位置信息计算出患者扫描部位的位置信息。 [0030] By providing a plurality of probe scanning from an intracavitary wall of the medical device, the calculated path around the patient's body, the human body model and the corresponding optimization, the optimization according to the mannequin and the scanning table conjunction with location information and scanning the patient bed position information calculates the position information of the scanning part of a patient.

[0031]在优选的实施方式中,所述目标位置为磁共振设备的等中心点。 [0031] In a preferred embodiment, the position of the target isocenter of the magnetic resonance device.

[0032]在优选的实施方式中,所述人体模型包括躯干长、头径围以及说明摆位姿势的参数。 [0032] In a preferred embodiment, the human model comprises a torso length, head diameter and circumference described placement posture parameter.

[0033]与现有技术相比,本发明的在医疗设备中定位患者的方法和系统通过与患者等效的人体模型获取患者的位置信息,计算出扫描部位到目标位置的距离,通过扫描床移动将扫描部位移动到目标位置,如此减少操作步骤,并降低操作时间;且通过人体模型获取患者各部分的围径,可保证扫描床移动距离有效,不会造成患者的挤压。 [0033] Compared with the prior art, positioning of the patient in the medical device, the method and system of the present invention by acquiring location information of the patient and the patient's mannequin equivalent calculated distance to the target position of the scanned portion of the through scanning table the scanning part moves to the target position, thus reducing the operation steps, and to reduce the operation time; and obtaining diameter of each part around the patient through the human body model that can ensure effective movement distance of the scanning table, the patient will not cause squeezing. 【附图说明】 BRIEF DESCRIPTION

[0034]图1是磁共振系统的示意图。 [0034] FIG. 1 is a schematic diagram of a magnetic resonance system.

[0035]图2是本发明在医疗设备中定位患者的方法的流程图。 [0035] FIG 2 is a flowchart of a method of the present invention, the positioning of the patient in the medical facility.

[0036]图3是本发明在医疗设备中定位患者的方法的第一实施例的流程图。 [0036] FIG. 3 is a flowchart of a first embodiment of the present invention is the positioning of a patient in the medical facility.

[0037]图4是本发明在医疗设备中定位患者的方法的第二实施例的流程图。 [0037] FIG. 4 is a flowchart of a second embodiment of the present invention is the positioning of a patient in the medical facility.

[0038]图5是本发明第二实施例的床板上布置压力传感器的示意图。 [0038] FIG. 5 is a schematic view of a second embodiment of the present invention headboard pressure sensor arrangement.

[0039]图6是本发明在医疗设备中定位患者的方法的第三实施例的流程图。 [0039] FIG. 6 is a flowchart of a third embodiment of the present invention is the positioning of a patient in the medical facility.

[0040]图7是本发明第三实施例的距离探测器布置的示意图。 [0040] FIG. 7 is a schematic view of a third embodiment of the distance to the detector arrangement of the present invention.

[0041]图8是本发明在医疗设备中定位患者的系统的示意图。 [0041] FIG. 8 is a schematic view of a patient positioning system of the present invention is in the medical facility. 【具体实施方式】 【Detailed ways】

[0042]请参考图1所示,图1展示了包含本发明的磁共振系统10的主要部件,该系统是通过操作员控制台12进行控制,控制台12包括键盘和/或其他输入设备13、控制面板14以及显示屏16。 [0042] Please refer to FIG. 1, FIG. 1 shows the main components of the magnetic resonance system 10 incorporating the present invention, the system is controlled by an operator console 12, console 12 includes a keyboard and / or other input device 13 , the control panel 14 and a display screen 16. 控制台12通过连接部件18与一台独立的电脑系统20相连,电脑系统20可以使操作员能在显示屏16上控制图像的生成和显示。 20 is connected to console 12 18 through the connecting member to a stand-alone computer system, the computer system 20 may enable an operator to control the image generated and displayed on the display screen 16. 该电脑系统20包括通过背板20a进行互相沟通的若干模组,这些模组包括有图像处理器模组22、CPU模组24及内存模组26,内存模组26可以是业界熟知的用于存储图像数据组的帧缓冲器。 The computer system includes a plurality of modules 20 communicate with each other through a backplane 20a, these modules include an image processor module 22, CPU module 24 and memory module 26, memory module 26 may be well known in the industry for a frame buffer for storing image data set. 电脑系统20与硬盘28和磁碟30连接,存储图像数据和程序,而且通过高速串行连接34与一独立控制系统32相连。 Computer system 20 and the hard disk 28 and the disk 30 is connected, and a program stored in the image data, and 34 is connected to a separate control system 32 through a high speed serial connection.

[0043] 控制系统32包括通过一背板32a相互连接在一起的一组模组,所述模组包括(PU模组36、通过串行连接(serial link) 40与控制台12连接的脉冲发生器模组38。控制系统32通过串行连接40接收来自操作员的需要执行的扫描序列(scan sequence)的指令。脉冲发生器模组38运行系统组件,执行指定的扫描序列,输出数据,例如:射频发射的射频脉冲的计时、强度、形状,射频接收的计时和数据采集窗口的长度。脉冲发生器模组38连接到一系列梯度放大器系统42,用于控制(indicate)扫描过程中产生的梯度脉冲的时长和形状。脉冲发生器模组38能够从生理采集控制器44接收病人信息,所述生理采集控制器44通过连接到病人的若干不同的传感器采集信号,例如通过安装在病人身上的电极获取心电图信号。脉冲发生器模组38最终连接到扫描室接口电路46,扫描室接口电路46接收与病 [0043] The control system 32 includes a set of modules 32a connected together by a backplane with each other, said module comprising (PU module 36, the connection (serial link through a serial) connected to the console 40 pulse 12 occurs a scan sequencer module 38. the control system 32 receives from the operator needs to perform the connection 40 via a serial (scan sequence) instruction. the pulse generator module 38 operating system component, to perform the specified scan sequence, the output data, e.g. : radio frequency RF pulse emission timing, strength and shape of RF reception timing and data acquisition window length pulse generator module 38 connects to a series of gradient amplifier system 42 for controlling (Indicate) generated during scanning. duration and shape of the gradient pulses of the pulse generator module 38 can receive patient information from a physiological acquisition controller 44, a physiological acquisition controller 44 acquired by a number of different sensors connected to the patient signals, for example by mounting on a patient acquiring ECG signal electrodes. the pulse generator module 38 is ultimately connected to a scan room interface circuit 46, 46 receives the scan room interface circuit disease 和磁共振成像系统相关的传感器产生的信号。通过扫描室接口电路46,病人定位系统48接收指令,移动病人到指定位置进行扫描。 Sensor signals related to magnetic resonance imaging system and produced by the scan room interface circuit 46, the patient positioning system 48 receives commands to move the patient to the specified location for scanning.

[0044] 脉冲发生器模组38产生的梯度波形被运用到具有Gx、Gy、Gz的梯度放大器系统42, 每个梯度放大器激发梯度线圈组50中对应的一个梯度线圈,产生用于生成相应空间编码信号的磁场梯度。 [0044] The gradient waveforms produced by the pulse generator module 38 are applied to having Gx, Gy, Gz gradient amplifier system 42, a gradient coil excitation Each gradient amplifier group 50 corresponding to a gradient coil generating space for generating a respective magnetic field gradients of the encoded signal. 梯度线圈组50为磁组件52的一部分,磁组件52还包括有极化磁体54和体射频线圈56。 Gradient coil set 50 as part of the magnet assembly 52, the magnet assembly 52 further includes a polarizing magnet 54 and the RF body coil 56. 控制系统32中的收发器模组58产生的脉冲被射频放大器60放大,通过发送/接收开关62与射频线圈56进行耦合。 Pulse control system 32 of the transceiver module 58 generates in the RF amplifier 60 is amplified by the transmit / receive switch 62 and the RF coil 56 are coupled. 病人体内被激发的原子核发出的信号被射频线圈56感知至IJ,然后通过发送/接收开关62传输到前置放大器64,放大的磁共振信号经过收发器模组58 的接收部进行解调、过滤、数字化处理。 Signal emitted patient nuclei excited by the RF coil 56 IJ to perception, and by transmitting / receiving a transmission switch 62 to a preamplifier 64, amplified through the magnetic resonance signal receiver unit transceiver module 58 demodulates, filtered , digital processing. 发送/接收开关62可以被脉冲发生器模组38的信号控制,从而在发射模式下电性连接射频放大器60和射频线圈56,在接收模式下,电性连接前置放大器64和射频线圈%。 Transmit / receive switch 62 may be a control pulse signal generator module 38, so that in the transmit mode is electrically connected to the RF amplifier 60 and RF coil 56, in the reception mode, is electrically connected to a preamplifier 64 and radio frequency coils%. 发送/接收开关62能够使单独的射频线圈(例如表面线圈)在发射和接收的模式下使用。 Transmit / receive switch 62 can enable a separate RF coil (for example, a surface coil) used in transmission and reception mode.

[0045]射频线圈56收集的磁共振信号经过收发器模组58进行数字化处理,然后传输到控制系统32中的存储模组66。 [0045] The magnetic resonance signals collected by the RF coil 56 transceiver module 58 through digital processing, and then transmitted to the control system 66 in the storage module 32. 当存储模组66获取一组原始的k-空间数据后,扫描结束。 When the memory module 66 acquires a set of raw data of k- space, the end of the scan. 原始的k-空间数据被重新整理成与每个将被重建的图像对应的单独的k-空间数据组,每个k-空间数据组被输入到阵列处理器68,进行图像重建后结合磁共振信号,形成一组图像数据,图像数据通过串行连接34传输到电脑系统2〇,并保存在存储装置例如硬盘28中。 After the original k- space data is rearranged into each image to be reconstructed k- space corresponding to individual data sets, each of k- space data set is input to an array processor 68, in conjunction with magnetic resonance image reconstruction signals to form a set of image data, the image data transmitted to the computer system 34 is connected through the serial 2〇, and stored in the storage device 28, for example, a hard disk. 与控制台12发出的指令相对应,所述图像数据可以长期存储起来,例如存储在磁碟30上,或者通过图像处理器22进行进一步处理并传送到控制台12,并在显示屏16上显示。 Instruction issued by the console 12 corresponding to the image data are permanently stored, for example, stored on the disk 30, or for further processing by the image processor 22 and transmitted to console 12, and displayed on the display screen 16 .

[0046]图2为本发明一种在磁共振设备中定位患者的方法,其包括: [0046] FIG. 2 is a method for positioning a patient in a magnetic resonance apparatus of the invention, which comprises:

[0047] S201,输入患者的个人信息以获取与患者相匹配的人体模型。 [0047] S201, enter the patient's personal information to obtain a mannequin to match with the patient.

[0048]在本步骤中,患者的个人信息通过键盘和/或其他输入设备13输入到电脑系统20 内,并在显示屏16上显示。 [0048] In this step, the personal information of the patient through a keyboard and / or other input device 13 is inputted to the computer system 20 and displayed on the display screen 16. 其中,患者的个人信息包括患者的身高、体重、年龄、扫描部位及患者在医疗设备的扫描腔内的方向等。 Wherein the personal information of the patient including the patient's height, weight, age, location and scanning direction of the scanning cavity of a patient in a medical device, and the like. 通过所输入的患者的个人信息,在电脑系统2〇内匹配出一个适合该患者的人体模型数据。 Personal information of the patient on the input data matches a mannequin appropriate for the patient in the computer system 2〇. 其中,患者在医疗设备的扫描腔内的方向包括患者头朝前或脚朝前、俯卧或仰卧、左侧卧或右侧卧。 Wherein the patient comprises a patient prior to or head-foot forward, in the direction of the scanning prone or supine chamber medical device, left side or right side lying.

[0049] 人体模型是医疗设备中的测量程序。 [0049] mannequin measurement procedure is a medical device. 可以满足使用要求的人体模型主要包括下列参数:躯干长、头径围以及说明摆位姿势的参数。 To meet the requirements of the human body model includes the following parameters: trunk length, head diameter and circumference described placement posture parameter.

[0050] S202,计算患者扫描部位的位置信息。 [0050] S202, calculates the position information of the scanning site of a patient.

[0051] S2〇3,确定目标位置的位置信息。 [0051] S2〇3, determining the location information of the target position.

[0052] 在本步骤中,该目标位置可以通过键盘和/或其他输入设备13输入该目标位置的位置信息,并在显示屏16上显示。 [0052] In this step, the target location may enter the location information of the target position through a keyboard and / or other input device 13, and displayed on the display screen 16. 在本实施方式中,所述目标位置为磁共振设备的等中心点。 In the present embodiment, the target position is the center point of the magnetic resonance device and the like. 在其他实施方式中,该目标位置也可以是系统在刚出厂时已经设定好的位置。 In other embodiments, the target location can also be a good location system has been set at the factory-fresh.

[0053] S2〇4,通过控制系统控制扫描床移动从而将扫描部位移动到目标位置。 [0053] S2〇4, thereby scanning part moves to the target position by controlling the scanning table movement control system.

[0054]在本步骤中,目标位置为磁共振设备的等中心点。 [0054] In this step, the position of the target isocenter of the magnetic resonance device. 扫描床可以获取在三个方向上的当前位置,同时根据计算出的扫描部位到等中心点的距离,通过扫描床将待扫描部位移动到等中心点。 Scanning table may acquire the current position in three directions, at the same time based on the calculated distance and the like to the portion of the scanning center point, to be scanned by the scanning table is moved to the site of the isocenter. 在实际应用中,本发明所述的技术方案有三种具体实施方式。 In practical applications, the technical solution of the present invention, three specific embodiments.

[0055] 实施例1 [0055] Example 1

[0056] 请进一步参阅图3所示,其为本发明的第一实施例,一种在磁共振设备中定位患者的方法,其包括: [0056] Further referring to FIG. 3, a first embodiment of the present invention which is a method for positioning a patient in a magnetic resonance apparatus, comprising:

[G057] S301,输入患者的个人信息以获取与患者相匹配的人体模型。 [G057] S301, enter the patient's personal information to obtain a mannequin to match with the patient.

[0058]本步骤已在上文描述,在此就不再描述。 [0058] This step has been described above, this will not be described.

[0059] S302,将患者移入医疗设备的扫描腔。 [0059] S302, the medical device into the patient scan chamber.

[0060] 在本步骤中,可以通过键盘和/或其他输入设备13将扫描床移入医疗设备的扫描腔的位置输入到电脑系统20内。 [0060] In this step, the cavity may be shifted into the scan medical device 13 by the keyboard scanning table and / or other input device position input into the computer system 20. 在移动患者时,扫描床自动地移动到所输入的位置。 When the patient moves, the scanning table is automatically moved to the position of the input. 在其他实施方式中,也可以通过手动的方式将患者移入医疗设备的扫描腔。 In other embodiments, it may be manually by a patient into the scanning chamber medical device.

[0061] S3〇3,通过定位像扫描获取患者的定位像,通过定位像来确定患者的位置信息。 [0061] S3〇3, patients with acquired scout image scanned by the image positioning information of the patient to determine the position by the positioning image.

[0062]在本步骤中,通过扫描定位像获得。 [0062] In this step, the image obtained by scanning and positioning. 在扫描成像序列前,先用特定的序列扫描,产生患者的横断面、冠状面及矢状面的标准参考图像,并计算出扫描部位的位置信息。 Before scanning imaging sequence, the first sequence with a specific scanning, patients who cross section, coronal and sagittal standard reference image, and calculates the position information of the scanning site.

[0063]对于某些特定部位,可以使用图像处理的方法获得待扫描部位的标志性区域,并以该标志性区域的位置信息作为扫描部位的位置信息。 [0063] For certain parts, the image processing method may be used to obtain flag region to be scanned site, and to mark the position information as the position information of the region scanned portion. 例如,在对头部进行扫描时,以胼胝体或脑裂的位置为准,从而计算出待扫描部位到目标位置的距离。 For example, when the scanning head, or to split brain corpus callosum whichever position, thereby calculating the distance to be scanned portion to a target position. 在对脊柱进行扫描时,以脑脊液的位置看作脊柱;在对胸腹部进行扫描时,以肺与膈肌的位置看作胸腹部的位置。 When the spine scanned to the position seen in cerebrospinal fluid of the spinal column; in the chest and abdomen of the scan, the position is regarded as the position of lung and chest diaphragm portion. [0064] S304,确定目标位置的位置信息。 [0064] S304, determining the location information of the target position.

[0065]本步骤已在上文描述,在此就不再描述。 [0065] This step has been described above, this will not be described.

[0066] S305,通过控制系统控制扫描床移动从而将扫描部位移动到目标位置。 [0066] S305, so that the displacement of the scanning position control portion to the target by scanning table movement control system.

[0067] 在本实施方式中,该目标位置可以为磁共振设备的等中心点。 [0067] In the present embodiment, the target location may be the center point of the magnetic resonance device and the like.

[0068] 实施例2 [0068] Example 2

[0069]请进一步参阅图4所示,其为本发明的第二实施例,一种在磁共振设备中定位患者的方法,其包括: [0069] Further referring to FIG. 4, which is a second embodiment of the present invention, a method for positioning a patient in a magnetic resonance apparatus, comprising:

[GQ7Q] S401,输入患者的个人信息以获取与患者相匹配的人体模型。 [GQ7Q] S401, enter the patient's personal information to obtain a mannequin to match with the patient.

[0071]本步骤已在上文描述,在此就不再描述。 [0071] This step has been described above, this will not be described.

[0072] S402,确定扫描床相对所述目标位置的位置信息。 [0072] S402, the position information of the target position relative to the scanning table is determined.

[0073] 在本步骤中,由于扫描床是和电脑系统2〇相连的,所以扫描床的位置由电脑系统20时刻监控着,扫描床的位置信息可以通过电脑系统2〇得到。 [0073] In this step, since the scanning table and the computer system is connected 2〇, the position of the scanning table 20 is monitored by the time the computer system, the location information may be obtained by scanning table 2〇 computer system.

[0074] S403,将患者放在扫描床上,确定患者在扫描床上的位置信息。 [0074] S403, the patient on the scanner bed, the scanning position information of the patient bed is determined.

[0075] 在本步骤中,扫描床上设有定位机构,该定位机构可以为头部线圈,该头部线圈的位置与扫描床的位置关系是已知的。 [0075] In this step, the bed is provided with scanning means positioning, the positioning means may be a head coil, the positional relationship between the position of the scanning head coil of the bed are known. 当患者躺在扫描床上时,将头部放入头部线圈内,由于头部线圈的位置是已知的,所以可以确定患者的头部在扫描床上的位置。 When scanning a patient lying on the bed, the head into the head coil, since the position of the head of the coil is known, it is possible to determine the position of the scanning head of the patient bed.

[0076] S404,通过设置在扫描床上的若干个压力传感器获取患者身体的质量分布,根据所述患者身体的质量分布等效出患者身体的围径,优化对应的人体模型,根据所述优化后人体模型并结合扫描床的位置信息及患者在扫描床上的位置信息计算出患者扫描部位的位置信息。 [0076] S404, acquired by the scanning bed is disposed a plurality of pressure sensors of the patient's body mass distribution, distribution of the equivalent diameter of the circumference according to the patient's body mass of the patient's body, the human body model corresponding to the optimized, according to the optimized human model combined with the scanning bed location information and scan the patient in the bed position information to calculate the position information of the scanning part of a patient.

[0077] 请进一步参阅图5所示,在本步骤中,压力传感器501是均匀分布在扫描床500上。 [0077] Further referring to FIG. 5, in this step, the pressure sensor 501 is uniformly distributed on the scanning table 500. 通过压力传感器501获取患者身体的质量分布,根据所述患者身体的质量分布等效出患者身体的围径,优化对应的人体模型。 501 acquires the distribution of the patient's body mass by the pressure sensor, according to the distribution of the patient's body mass of the patient's body around the equivalent diameter, the corresponding optimization mannequin. 由于患者的扫描部位、身高及医疗设备的扫描腔内的方向己经知道,同时患者的头部在扫描床5〇〇上的位置及扫描床500的位置己经知道,结合人体模型可以计算出患者扫描部位的位置信息。 Since the scanning site of the patient, and medical scanning equipment chamber height direction already known, while the patient's head in position on the scanning table and 5〇〇 scanning table 500 already knows the position, can be calculated in conjunction with the mannequin location information scanned part of a patient. 在本实施方式中,由于患者的各部分的围径己经知道,可保证扫描床移动距离有效,不会造成患者的挤压。 In the present embodiment, since the diameter of portion around a patient already known, a moving distance can ensure effective scanning table, the patient will not cause squeezing. 在其它实施方式中,压力传感器501也可以根据患者与扫描床500接触的部位分布程度呈非均匀分布,在患者与扫描床500接触较多的部位分布的较密集些。 In other embodiments, the pressure sensor 501 may be in a non-uniform distribution of patients according to the degree of the scanning bed portion 500 of the contact, the more dense than the scanning bed 500 patients distributed more contact points.

[0078] 通过本步骤获取的人体模型可以对输入患者信息时获取的人体模型进行了优化, 如此使计算出的患者扫描部位的位置信息更加精确,使扫描部位能更精确地移动到目标位置。 [0078] The human body model obtained by the present step can be optimized on the human body model acquired when the input patient information, so that the calculated scan parts of the patient position information more accurately, the scanning portion to more accurately to the target position.

[0079] S405,确定目标位置的位置信息。 [0079] S405, determining the location information of the target position.

[0080] 本步骤已在上文描述,在此就不再描述。 [0080] This step has been described above, this will not be described.

[0081] S406,通过控制系统控制扫描床移动从而将扫描部位移动到目标位置。 [0081] S406, so that the displacement of the scanning position control portion to the target by scanning table movement control system.

[0082] 本步骤已在上文描述,在此就不再描述。 [0082] This step has been described above, this will not be described.

[0083] 实施例3 [0083] Example 3

[0084] 请参阅图6所示,其为本发明的第三实施例,一种在医疗设备中定位患者的方法, 其包括: [0084] Please refer to FIG. 6, which is a third embodiment of the present invention, a method for positioning a patient in a medical device, comprising:

[0085] S601,输入患者的个人信息以获取与患者相匹配的人体模型。 [0085] S601, enter the patient's personal information to obtain a mannequin to match with the patient.

[0086] 本步骤已在上文描述,在此就不再描述。 [0086] This step has been described above, this will not be described.

[0087] S602,将患者移入医疗设备的扫描腔。 [0087] S602, the medical device into the patient scan chamber.

[0088] 在本步骤中,可以通过手动或者自动的方式将患者移入医疗设备的扫描腔。 [0088] In this step, the patient may be scanned into the cavity of the medical device manually or in an automated manner.

[0089] S603,确定扫描床的位置信息。 [0089] S603, the position information of the scanning table is determined.

[0090] 本步骤已在上文描述,在此就不再描述。 [0090] This step has been described above, this will not be described.

[0091] S604,将患者放在扫描床上,计算患者在扫描床的位置信息。 [0091] S604, the patient on the scanner bed, calculates position information of the patient in a scanning table.

[0092] 本步骤已在上文描述,在此就不再描述。 [0092] This step has been described above, this will not be described.

[0093] S605,通过设置在医疗设备的扫描腔内壁上的若干个距离探测器,计算出患者身体的围径,并优化对应的人体模型,根据所述优化后人体模型并结合扫描床的位置信息及患者在扫描床上的位置信息计算出患者扫描部位的信息。 [0093] S605, a distance by providing a plurality of probe scanning an intracavitary wall of the medical device, the calculated path around the patient's body, the human body model and the corresponding optimization, the optimization according to the mannequin and the binding position of the scanning bed patient information and the position information calculated by the scanning information scans the bed part of a patient.

[0094] 请进一步参阅图7所示,在本步骤中,在磁共振设备的医疗设备的扫描腔74的X轴方向上设有第一距离探测器71、第二距离探测器72及在Y轴上设有的第三距离探测器73。 [0094] Further referring to FIG. 7, in this step, a first distance detector 71 in the X-axis direction scanning chamber medical device of a magnetic resonance apparatus 74, the detector 72 and at a second distance Y third distance detector provided on the shaft 73. 第三距离探测器73位于第一距离探测器71与第二距离探测器72的连线的中垂线上。 A third connection from the detector 73 is located a first distance and the second distance detector 71 in the detector 72 of the vertical. 当患者移入医疗设备的扫描腔74后,通过距离探测器71、72及73可以计算出患者身体的围径,并优化对应的人体模型。 When the patient into the scanning chamber 74 of the medical device, the distance may be calculated by the detector 71, 72 and 73 path around the patient's body, the human body model and the corresponding optimized. 根据所述人体模型并结合扫描床的位置信息及患者在扫描床上的位置信息计算出患者扫描部位的位置信息。 The binding of the mannequin and the scanning position information of the patient bed in the scanning position information calculates the position information of the bed part of a patient scan.

[0095] 通过本步骤获取的人体模型可以对输入患者信息时获取的人体模型进行优化,如此使计算出的患者扫描部位的位置信息更加精确,使扫描部位能更精确地移动到目标位置。 [0095] The human body model obtained by the present step can be optimized mannequin acquired when the patient information input, so that the calculated position information of the scanned portion of the patient more accurately, the scanning portion to more accurately to the target position.

[0096]另外,由于患者表面距离医疗设备的扫描腔74的内表面的距离为已知,可保证在患者移动时,避免患者挤压到医疗设备的扫描腔74的内壁上。 [0096] Further, since the inner surface of the distance from the scanning surface of the cavity 74 of the patient care devices are known, can be guaranteed when the patient moves, the patient to avoid scanning pressed to the inner wall of the chamber 74 of the medical device.

[0097] 距离探测器71、72及73可以利用光学或声学的反射原理,通过距离探测器71、72及73的信号源发射信号并经过人体表面反射直至接收所经历的时间,计算出探测器到人体表面的距离。 [0097] The distance detectors 71, 72 and 73 may utilize the principle of reflection of the optical or acoustic signal source 71, 72 and 73 of the transmitted signal and the time elapsed until receiving the body through the surface of the reflector by the distance detector, the detector is calculated the distance to the surface of the human body. 距离探测器71、72及73的信号源可以是红外、超声或者激光等。 71, 72 and the detector from the signal source 73 may be infrared, ultrasonic or laser.

[0098] S606,确定目标位置的位置信息。 [0098] S606, determining the location information of the target position.

[0099] 本步骤己在上文描述,在此就不再描述。 [0099] In this step already described above, this will not be described.

[0100] S607,通过控制系统控制扫描床移动从而将扫描部位移动到目标位置。 [0100] S607, so that the displacement of the scanning position control portion to the target by scanning table movement control system.

[0101] 本步骤已在上文描述,在此就不再描述。 [0101] This step has been described above, this will not be described.

[0102] 请参阅图8所示,一种在医疗设备中定位患者的系统,其包括构建模块801、计算模块802、确定模块803和移动模块804。 [0102] Please refer to FIG. 8, a system for positioning a patient in a medical device, which comprises a construction module 801, calculation module 802, a determining module 803 and the moving module 804.

[0103] 构建模块801,用于构建与患者匹配的人体模型。 [0103] Building block 801 for constructing a human body model and patient-matched.

[0104] 人体模型是医疗设备中的测量程序,其由制造商提供。 [0104] the human body model is a measurement procedure in a medical device, which is provided by the manufacturer.

[0105] 计算模块802,用于根据人体模型计算患者扫描部位的位置信息。 [0105] calculation module 802, a position information calculation scanned portion of the patient in accordance with the human body model.

[0106] 确定模块803,用于确定目标位置的位置信息。 [0106] a determination module 803, a position information for determining the target position.

[0107] 移动模块804,用于通过控制系统控制扫描床移动从而将扫描部位移动到目标位置。 [0107] moving module 804, for thereby moving the scanning portion to the target position by the control system controlling movement of the scanning bed.

[0108]本发明并不局限于磁共振设备。 [0108] The present invention is not limited to a magnetic resonance apparatus. 在其他医疗设备中,如计算机断层扫描设备或者正电子发射层析摄影设备也可以应用。 In other medical devices, such as computer tomography apparatus or a positron emission tomography apparatus may be applied. < <

[0109]以上所述仅为本发明的一种实施方式,不是全部或唯一的实施方式,本领域普通技术人员通过阅读本发明说明书而对本发明技术方案采取的任何等效的变化,均为本发明的权利要求所涵盖。 [0109] Any equivalent variation above is only one embodiment of the present invention, not all of or the only embodiments, those of ordinary skill in the art of the present invention to take a reading of the description of the present invention, are present It encompassed by the claims of the invention.

Claims (8)

1. 一种在医疗设备中定位患者的方法,其特征在于,其包括: 输入患者的个人信息以获取与患者相匹配的人体模型; 计算患者扫描部位的位置信息; 确定目标位置的位置信息; 通过控制系统控制扫描床移动从而将扫描部位移动到目标位置; 所述计算患者扫描部位的位置信息是通过如下方式得到的: 将患者移入医疗设备的扫描腔; 确定扫描床相对所述目标位置的位置信息; 将患者放在扫描床上,确定患者在扫描床上的位置信息; 通过设置在医疗设备的扫描腔内壁上的若干个距离探测器,计算出患者身体的围径, 并优化对应的人体模型,根据所述优化后人体模型并结合扫描床的位置信息及患者在扫描床上的位置信息计算出患者扫描部位的位置信息。 CLAIMS 1. A method for positioning a patient in a medical device, characterized in that it comprises: an input personal information of a patient to obtain patient manikin matched; a scan position information calculation part of the patient; determining the location information of the target position; site thereby moved through the scanning control system controls the scanning table is moved to the target position; the position information calculated by scanning site of a patient is obtained in the following manner: a scanning chamber into a patient a medical device; scanning table to determine the relative position of the target location information; patient on the scanner bed, the scanning position information of the patient in the bed is determined; a plurality of distance provided by the probe scanning the cavity wall of the medical device, the calculated path around the patient's body, the human body model and optimize the corresponding the optimization of the manikin and the combined scanning table position information calculates the position information of the patient and scanning the patient at the site of the position information of the scanning bed.
2.如权利要求1所述的在医疗设备中定位患者的方法,其特征在于:所述距离探测器设置在医疗设备的扫描腔的内壁上,所述距离探测器包括位于X或Y方向上的第一距离探测器和第二距离探测器,所述距离探测器还包括位于与第一距离探测器与第二距离探测器的连线的中垂线上的第三距离探测器。 2. A method for positioning a patient in a medical apparatus according to claim 1, wherein: said distance sensor is provided on an inner wall of the medical device scanning chamber, located on the X or Y direction distance detector comprising a first detector distance and the second distance detector, the detector further comprising a third distance from a connection with the detector located at a first distance and the second distance detector probe on the perpendicular bisector.
3.如权利要求2所述的在医疗设备中定位患者的方法,其特征在于:所述距离探测器的信号源是红外、超声或者激光。 The method of positioning a patient in a medical apparatus according to claim 2, wherein: said signal source detector distance is an infrared, ultrasonic or laser.
4. 如权利要求1所述的在医疗设备中定位患者的方法,其特征在于:所述目标位置为磁共振设备的等中心点。 4. A method for positioning a patient in a medical apparatus according to claim 1, wherein: the target position is the center point of the magnetic resonance device and the like.
5. 如权利要求1至4任一项所述的在医疗设备中定位患者的方法,其特征在于:所述人体模型包括躯干长、头径围以及说明摆位姿势的参数。 5. A method for positioning a patient to the medical apparatus 4 according to any one of claim 1, wherein: said manikin comprises a trunk length, head circumference and diameter Parameters placement posture.
6. —种在医疗设备中定位患者的系统,其特征在于,其包括: 构建模块,用于构建与患者匹配的人体模型; 计算模块,用于根据人体模型计算患者扫描部位的位置信息; 确定模块,用于确定目标位置的位置信息; 移动模块,用于通过控制系统控制扫描床移动从而将扫描部位移动到目标位置; 所述计算患者扫描部位的位置信息是通过如下方式得到的: 将患者移入医疗设备的扫描腔; 确定扫描床相对所述目标位置的位置信息; 将患者放在扫描床上,确定患者在扫描床上的位置信息; 通过设置在医疗设备的扫描腔内壁上的若干个距离探测器,计算出患者身体的围径, 并优化对应的人体模型,根据所述优化后人体模型并结合扫描床的位置信息及患者在扫描床上的位置信息计算出患者扫描部位的位置信息。 6. - kind of positioning of the patient in the medical facility system, characterized in that it comprises: building blocks for constructing a human body model with patient-matched; calculating means for calculating the position information of the scanning site of the patient in accordance with the human body model; determining module, position information for determining the target position; moving means for moving the scanning so that the control site to the target position through the scanning table movement control system; calculating position information of the scanning site of the patient is obtained in the following manner: the patient scanning the medical device into the cavity; location information of the target position relative to the scanning table is determined; a patient on the scanner bed, the scanning position information of the patient in the bed is determined; provided by a plurality of scans from the cavity wall of the medical device to detect , calculate path around the patient's body, the human body model and the corresponding optimization calculates the position information of the scanned portion of the patient in accordance with the human body model and optimization binding location information of the patient and scanning table during the scanning bed.
7. 如权利要求6所述的在医疗设备中定位患者的系统,其特征在于:所述目标位置为磁共振设备的等中心点。 7. The positioning of the patient in the medical facility system according to claim 6, wherein: the target position is the center point of the magnetic resonance device and the like.
8. 如权利要求6至7任一项所述的在医疗设备中定位患者的系统,其特征在于:所述人体模型包括躯干长、头径围以及说明摆位姿势的参数。 The positioning of the patient in the medical facility system 6-1 according to any one as claimed in claim 7, wherein: said manikin comprises a trunk length, head circumference and diameter Parameters placement posture.
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