WO2012048620A1 - 在磁共振扫描室内进行扫描控制及图像显示的方法和设备 - Google Patents

在磁共振扫描室内进行扫描控制及图像显示的方法和设备 Download PDF

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Publication number
WO2012048620A1
WO2012048620A1 PCT/CN2011/080353 CN2011080353W WO2012048620A1 WO 2012048620 A1 WO2012048620 A1 WO 2012048620A1 CN 2011080353 W CN2011080353 W CN 2011080353W WO 2012048620 A1 WO2012048620 A1 WO 2012048620A1
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Prior art keywords
scanning
scan
room
room computer
magnetic resonance
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English (en)
French (fr)
Inventor
王勇
张赞超
刘照泉
佟海涛
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Shenzhen Mindray Bio Medical Electronics Co Ltd
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Shenzhen Mindray Bio Medical Electronics Co Ltd
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    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R33/00—Arrangements or instruments for measuring magnetic variables
    • G01R33/20—Arrangements or instruments for measuring magnetic variables involving magnetic resonance
    • G01R33/44—Arrangements or instruments for measuring magnetic variables involving magnetic resonance using nuclear magnetic resonance [NMR]
    • G01R33/48—NMR imaging systems
    • G01R33/54—Signal processing systems, e.g. using pulse sequences ; Generation or control of pulse sequences; Operator console
    • G01R33/543—Control of the operation of the MR system, e.g. setting of acquisition parameters prior to or during MR data acquisition, dynamic shimming, use of one or more scout images for scan plane prescription
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/05—Detecting, measuring or recording for diagnosis by means of electric currents or magnetic fields; Measuring using microwaves or radio waves
    • A61B5/055—Detecting, measuring or recording for diagnosis by means of electric currents or magnetic fields; Measuring using microwaves or radio waves involving electronic [EMR] or nuclear [NMR] magnetic resonance, e.g. magnetic resonance imaging
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/0033—Features or image-related aspects of imaging apparatus, e.g. for MRI, optical tomography or impedance tomography apparatus; Arrangements of imaging apparatus in a room
    • A61B5/004—Features or image-related aspects of imaging apparatus, e.g. for MRI, optical tomography or impedance tomography apparatus; Arrangements of imaging apparatus in a room adapted for image acquisition of a particular organ or body part
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/0033—Features or image-related aspects of imaging apparatus, e.g. for MRI, optical tomography or impedance tomography apparatus; Arrangements of imaging apparatus in a room
    • A61B5/0046—Arrangements of imaging apparatus in a room, e.g. room provided with shielding or for improved access to apparatus
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R33/00—Arrangements or instruments for measuring magnetic variables
    • G01R33/20—Arrangements or instruments for measuring magnetic variables involving magnetic resonance
    • G01R33/44—Arrangements or instruments for measuring magnetic variables involving magnetic resonance using nuclear magnetic resonance [NMR]
    • G01R33/48—NMR imaging systems
    • G01R33/54—Signal processing systems, e.g. using pulse sequences ; Generation or control of pulse sequences; Operator console
    • G01R33/546—Interface between the MR system and the user, e.g. for controlling the operation of the MR system or for the design of pulse sequences

Definitions

  • the present invention relates to a magnetic resonance imaging apparatus and method, and more particularly to a method and apparatus for performing scan control and image display in a magnetic resonance scanning room.
  • the scanning generally includes patient registration, patient positioning (coil connection), positioning scanning, general scanning and the like.
  • the magnetic resonance system is generally distributed in three rooms: the scanning room, the equipment room, and the operation room; due to electromagnetic interference generated by the computer, the computer and other operating equipment cannot be placed in the scanning room, which inevitably leads to The operation of the patient in place and the operation of the scan control are performed in the scanning room and the operation room, respectively.
  • the object of the present invention is to provide a method and a device for performing scanning control and image display in a magnetic resonance scanning room, aiming at solving the need for the scanning device and the operating device to be placed in different rooms during magnetic resonance, respectively, resulting in failure to be true. Complete problem of bedside scanning control.
  • a method for performing scan control in a magnetic resonance scan room comprising a method of performing position scan control, comprising the steps of:
  • Determining the examination site of the patient selecting a radio frequency receiving coil corresponding to the examination site, and entering the magnetic resonance machine to reach the designated position when the patient is in position on the hospital bed;
  • the scan room computer issues a request to initiate a positioning scan, and sends the request to the operating room computer through the communication connection device;
  • the operation room computer selects a corresponding positioning scanning protocol according to the currently selected inspection part or the type of the automatically detected RF receiving coil, and then starts scanning;
  • the patient is scanned, and the echo signal obtained by the scan is sent to the operating room computer for reconstruction to obtain a positioning image.
  • An apparatus for performing scan control in a magnetic resonance scanning room comprising:
  • a magnetic resonance machine for scanning a patient and receiving an echo signal
  • a scan room computer for issuing a start scan request, a queue management operation, and an image display
  • the operating room computer for selecting a corresponding scanning protocol, then starting the magnetic resonance machine for scanning, and reconstructing the echo signal obtained by the scanning to obtain a positioning image;
  • a communication connection device for establishing a communication connection between a scan room computer and an operation room computer
  • the scanning room computer and the magnetic resonance machine are placed together in a scanning room; the operating room computer is placed in the operating room; and the scanning room computer and the operating room computer are connected by a communication connection device.
  • the invention has the beneficial effects that the present invention provides a novel scanning control method by effectively solving the interference technology of the computer and its display system on magnetic resonance imaging, adding a computer in the scanning room of the magnetic resonance and implementing scanning therein.
  • Control including scan positioning, scan protocol selection, scan queue management, image display and other functions, and synchronization with the operating room computer, providing true, complete bedside scanning control.
  • FIG. 1 is a block diagram of a hardware system provided by an embodiment of the present invention.
  • FIG. 2 is a flow chart of a method provided by an embodiment of the present invention.
  • FIG. 3 is a timing diagram of initiating a positioning scan in a scanning chamber
  • FIG. 4 is a flow chart of a method for instantly starting a scan in a scanning room
  • Figure 5 is a timing diagram of the instant start scan in the scanning chamber
  • FIG. 6 is a flow chart of a method for selecting a scan protocol and managing a queue in a scanning room
  • Fig. 7 is a timing chart showing selection of a scan protocol and queue management in a scanning room.
  • the hardware system of the magnetic resonance scanning control method proposed by the present invention comprises a magnetic resonance machine, a scanning room computer, an operating room computer and a communication connecting device therewith as shown in FIG. 1, wherein the magnetic resonance machine is used for a patient Performing a scan and receiving an echo signal; the scan room computer is configured to issue a start scan request, a queue management operation, and an image display; the operating room computer is configured to select a corresponding scan protocol, and then start the magnetic resonance machine to scan, and Scanning the acquired echo signals for reconstruction to obtain a positioning image; the communication connecting device is configured to establish a communication connection between the scan room computer and the operating room computer.
  • the scanning room computer uses an industrial control computer (IPC), and its screen uses a liquid crystal touch screen.
  • IPC industrial control computer
  • the scanning room computer and the magnetic resonance machine are placed together in the scanning room.
  • the operating room computer is placed in an operating room using a conventional desktop computer.
  • the scan room computer and the operation room computer are connected by a communication connection device, and the communication connection device adopts optical fiber transmission and transfer to a network interface.
  • the scanning room computer determines the part to be inspected according to the patient's registration, and selects the RF receiving coil. After the patient is in place, the scan room computer issues a request for a location scan to the operating room computer.
  • the operating room computer automatically selects a positioning protocol based on the RF receiving coil or the selected inspection site, then selects the imaging sequence and parameters and sends it to the magnetic resonance machine.
  • the magnetic resonance machine scans a specific part of the patient according to the protocol, and sends the received echo signal to the operation room computer for positioning image reconstruction to obtain a positioning image. Finally, the operating room computer transmits the obtained positioning image to the scanning room computer through the communication connection device and displays it on the liquid crystal touch screen of the scanning room computer.
  • the device mainly includes the following three functions:
  • the request to initiate the positioning scan is initiated from the scanning room, and the request is sent to the operating room computer through the communication connection.
  • the operating room computer selects the corresponding positioning scanning protocol according to the currently selected inspection part or the automatically detected RF receiving coil, and starts the scanning. .
  • the positioning image is reconstructed and transmitted to the scanning room computer through the communication connecting device, and finally displayed on the display screen by the scanning room computer to complete the positioning scanning process.
  • the scan room computer When performing scan queue management, the scan room computer first requests the operation room computer to obtain location information, inspection information, protocol group information, protocol information, etc., and all operations are notified to the operation room computer through the communication connection device. When the scan queue is managed (including adding or deleting protocols), the operating room computer is also notified to ensure that the information on both sides is synchronized.
  • the modified positioning parameters are calculated, sent to the operating room computer, and the positioning parameters displayed on the computer of the operating room are synchronously modified.
  • the scan is started in the scan room, and the scan is started according to the selected scan queue.
  • the scan room computer sends a scan request to the operation room computer through the communication connection, scans and reconstructs the operation room computer, and sends the scan image to the scan after completion.
  • the computer is displayed.
  • the method flow for performing positioning scanning control in the scanning room by using the above device, as shown in FIG. 2, includes the following steps:
  • Step S100 determining the examination site of the patient, selecting a radio frequency receiving coil corresponding to the examination site, and when the patient is in position on the hospital bed, entering the magnetic resonance machine to reach the designated position;
  • Step S200 The scan room computer issues a request to initiate a positioning scan, and sends the request to the operation room computer through the communication connection device;
  • Step S300 After receiving the request for starting the scan, the operating room computer selects a corresponding positioning scanning protocol according to the currently selected inspection part or the type of the automatically detected RF receiving coil, and then starts scanning;
  • Step S400 scanning the patient, and sending the echo signal obtained by the scan to the operation room computer for reconstruction to obtain a positioning image
  • Step S500 The reconstructed positioning image is transmitted to the scan room computer through the communication connection device, and displayed on the display screen of the scan room computer.
  • the timing of the positioning scan is as shown in FIG. 3.
  • the request for starting the positioning scan is initiated from the scanning room, and the request is sent to the operating room computer through the communication connection, and the operating room computer according to the currently selected inspection part or the automatically detected RF.
  • Receive the coil select the corresponding positioning scan protocol, and start the scan.
  • the positioning image is reconstructed and transmitted to the scanning room computer through the communication connecting device, and finally displayed on the display screen by the scanning room computer to complete the positioning scanning process.
  • the positioning operation can be performed on the scanning room computer, the positioning parameters are determined, and the scanning is started immediately.
  • the method flow is as shown in FIG. 4, and includes the following steps:
  • Step B100 After the patient enters the magnetic resonance machine, the patient is positioned, and the positioning parameters after the positioning is modified are calculated;
  • Step B200 Send the positioning parameter after modifying the positioning to the operation room computer and modify the positioning parameter request displayed on the operation room computer;
  • Step B300 the operating room computer modifies the displayed positioning parameters, and feeds back the result of the modifying operation to the scanning room computer;
  • Step B400 The scan room computer issues a request for starting a scan, and sends the request to the operation room computer through the communication connection device;
  • Step B500 The operating room computer controls the magnetic resonance machine to scan according to the modified positioning parameter, and reconstructs the echo signal obtained by the scanning to obtain a scanned image;
  • Step B600 The reconstructed positioning image is transmitted to the scan room computer through the communication connection device and displayed on the display screen of the scan room computer.
  • the operation sequence of the method is as shown in FIG. 5.
  • the modified positioning parameters are calculated according to the positioning operation, sent to the operation room computer, and the positioning parameters displayed on the computer of the operation room are synchronously modified.
  • the scan is started in the scan room, and the scan is started according to the selected scan queue.
  • the scan room computer sends a scan request to the operation room computer through the communication connection, scans and reconstructs the operation room computer, and sends the scan image to the scan after completion.
  • the computer is displayed.
  • the scan room computer Before performing the positioning scan or the general scan, the scan room computer can also manage the scan protocol queue.
  • the method flow is as shown in FIG. 6 and includes the following steps:
  • Step A100 The scan room computer sends a check part information acquisition request to the operation room computer, and obtains a check part information list;
  • Step A200 The scan room computer selects a part from the obtained detection part information list, and sends a request to the operation room computer, thereby obtaining a list of the inspection item information of the part;
  • Step A300 The scan room computer selects an inspection item from the obtained detection item list, and sends a request to the operation room computer to obtain a protocol group list under the inspection item;
  • Step A400 The scan room computer selects a protocol group from the obtained protocol group list, and sends a request to the operation room computer to obtain a protocol list in the protocol group;
  • Step A500 The scan room computer sends a request to the operation room computer to add or delete the obtained protocol list, and the operation room computer obtains the request, performs execution, and returns the execution result to the scan room computer to ensure synchronization of the two sides of the information.
  • the timing for managing the scan protocol queue is as shown in FIG. 7.
  • the scan room computer first requests the operation room computer to acquire part information, check information, protocol group information, protocol information, etc.
  • the operating room computer is notified via the communication connection device.
  • the scan queue is managed (including adding or deleting protocols), the operating room computer is also notified to ensure that the information on both sides is synchronized.
  • the present invention also provides a method of performing magnetic resonance imaging in a scanning chamber, comprising the steps of:
  • Step 1 After receiving the request for starting the scan, the magnetic resonance machine scans the patient and transmits the received echo signal to the operation room computer;
  • Step 2 The operating room computer reconstructs the received echo signal to obtain a positioning image or a scanned image
  • Step 3 The reconstructed positioning image or scanned image is transmitted to the display screen disposed in the scanning room through the communication connection device.
  • the method for performing magnetic resonance imaging in a scanning chamber the request for initiating scanning is sent from the scanning room and sent to the operating room computer through the communication connection device.
  • An apparatus for performing magnetic resonance imaging in a scanning chamber comprising: a magnetic resonance machine for performing scanning on a patient and receiving an echo signal; a display screen for image display; for selecting a corresponding Scanning protocol, then starting the magnetic resonance machine to scan, and reconstructing the echo signal obtained by the scan to obtain an operation room computer for positioning the image; a communication connection device for establishing a communication connection between the display screen and the operation room computer,
  • the display screen is placed in the scanning room together with the magnetic resonance machine; the operating room computer is placed in the operating room; the display screen and the input device are connected to the operating room computer via a communication connection.
  • the device for performing magnetic resonance imaging in a scanning room further comprising: an input device for inputting a startup scan request and a queue management operation;
  • the input device is placed in a scanning room; the input device is connected to the operating room computer via a communication connection.
  • the positioning scan is automatically started when the bed reaches the specified position. Or the positional scan is automatically initiated after the bed is in place and is stationary for a period of time.
  • the computer is not placed in the scanning room, but the display screen and the input device are placed in the scanning room to realize the startup positioning scan, the scanning protocol and the scanning queue operation, the image display, the positioning operation, and the scanning start.
  • the scanning room uses another control system, such as an embedded system, to implement startup positioning scanning, scanning protocol and scanning queue operation, image display, positioning operation, scanning start, and the like.
  • an embedded system such as an embedded system
  • connection device On the connection device, the optical fiber connection device is not used, and the network cable is directly connected, or the high-speed serial port and CAN communication connection mode are used.

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Description

在磁共振扫描室内进行扫描控制及图像显示的方法和设备 技术领域
本发明涉及一种磁共振成像设备和方法，尤其涉及的是一种在磁共振扫描室内进行扫描控制及图像显示的方法和设备。
背景技术
磁共振扫描的过程中，扫描一般都包括病人登记、病人就位（线圈连接）、定位扫描、一般扫描等几个部分。而系统布局上，磁共振系统一般分布在三个房间：扫描室、设备室、操作室；由于计算机等会产生电磁干扰，导致计算机等操作设备，不能放入扫描室中，这也就必然导致病人就位的操作和扫描控制的操作分别在扫描室和操作室进行。
这样的布局必然导致下列问题：
a. 如果病人摆位出现较大偏差，则必须在摆位完成后，出扫描室，启动定位扫描，观察定位像，再进入扫描室重新调整病人摆位。
b. 运动成像过程中，也有类似的情况，每完成一次扫描，需要重新进入扫描室，调整线圈位置，再返回操作室，进行下一次扫描。
c. 进行增强扫描时，必须由两位操作人员完成，在注射造影剂后，由另一个操作人员启动扫描。
d. 在进行介入式手术治疗时，需要在手术过程中，退出扫描室，进入操作室启动下一扫描。
e. 在对需要陪护的特殊病人进行扫描时，需要多名医护人员来协同，完成扫描操作。
上述问题直接导致了每个病人的扫描过程的延长，影响病人感觉和设备使用效率。因此，现有技术还有待于改进和发展。
 技术问题
本发明的目的在于提供一种在磁共振扫描室内进行扫描控制及图像显示的方法和设备，旨在解决在进行磁共振时需要扫描设备和操作设备分别放在不同的房间中，导致不能真正的、完整的实现床边扫描控制的问题。
 技术解决方案
本发明的技术方案如下：
一种实现在磁共振扫描室内进行扫描控制的方法，所述扫描控制的方法包括进行定位扫描控制的方法，其包括以下步骤：
确定病人的检查部位，选择与检查部位相对应的射频接收线圈，当病人在病床上就位后进入磁共振机到达指定位置；
扫描室计算机发出启动定位扫描的请求，通过通讯连接装置将请求发送到操作室计算机上；
操作室计算机根据当前已经选择的检查部位或者自动检测到的射频接收线圈的类型，选择相应的定位扫描协议，然后启动扫描；
对病人进行扫描，并将扫描获取的回波信号送入操作室计算机进行重建得到定位图像。
一种实现在磁共振扫描室内进行扫描控制的设备，其包括：
用于对病人实施扫描并接收回波信号的磁共振机；
用于发出启动扫描请求、队列管理操作和图像显示的扫描室计算机；
用于选择相应的扫描协议，然后启动磁共振机进行扫描，并将扫描获取的回波信号进行重建得到定位图像的操作室计算机；
用于为扫描室计算机和操作室计算机建立通讯连接的通讯连接装置，
所述扫描室计算机和磁共振机一同放置在扫描室中；所述操作室计算机放置在操作室中；所述扫描室计算机和操作室计算机之间通过通讯连接装置连接。
 有益效果
本发明的有益效果：本发明通过有效解决计算机及其显示系统对磁共振成像的干扰技术，提出一种全新的扫描控制方式，在磁共振的扫描室中增加一套计算机，并在其中实现扫描控制，包括扫描定位、扫描协议选择、扫描队列管理、图像显示等功能，并实现与操作室计算机的同步，提供真正的、完整的床边扫描控制。
 附图说明
图1是本发明中实施例提供的硬件系统框图；
图2是本发明中实施例提供的方法流程图；
图3是在扫描室内启动定位扫描的时序图；
图4是在扫描室内即时启动扫描的方法流程图；
图5是在扫描室内即时启动扫描的时序图；
图6是在扫描室内进行扫描协议的选择、队列管理的方法流程图；
图7是在扫描室内进行扫描协议的选择、队列管理的时序图。
 本发明的实施方式
为使本发明的目的、技术方案及优点更加清楚、明确，以下参照附图并举实施例对本发明进一步详细说明。
本发明提出的磁共振扫描控制方式的硬件系统包括如图1所示的磁共振机、扫描室计算机、操作室计算机以及它们之间的通讯连接装置，其中，所述磁共振机用于对病人实施扫描并接收回波信号；所述扫描室计算机用于发出启动扫描请求、队列管理操作和图像显示；所述操作室计算机用于选择相应的扫描协议，然后启动磁共振机进行扫描，并将扫描获取的回波信号进行重建得到定位图像；所述通讯连接装置用于为扫描室计算机和操作室计算机建立通讯连接。所述扫描室计算机采用工业控制计算机（IPC），其屏幕采用液晶触摸屏。所述扫描室计算机和磁共振机一同放置在扫描室中。所述操作室计算机采用普通台式计算机，放置在操作室。所述扫描室计算机和操作室计算机之间通过通讯连接装置连接，所述通讯连接装置采用光纤传输，转网络接口。
病人进入磁共振机后，扫描室计算机根据病人的登记确定需要检查的部位，并选择好射频接收线圈。在病人就位后，所述扫描室计算机向操作室计算机发出定位扫描的请求。所述操作室计算机则根据射频接收线圈或选择的检查部位自动选择定位协议，然后选择成像序列和参数并发送给磁共振机。所述磁共振机根据协议对病人的特定部位进行扫描，并将接收到的回波信号输送到操作室计算机中进行定位图像重建，得到定位图像。最后，所述操作室计算机将得到的定位图像通过通讯连接装置传送至扫描室计算机，并在扫描室计算机的液晶触摸屏上显示。
通过采用上述设备，可以实现在扫描室中进行定位扫描的操作，真正意义上实现磁共振检查的床边扫描控制。该设备主要包括以下三个功能：
1. 在扫描室内启动定位扫描。
启动定位扫描的请求从扫描室发起，通过通讯连接，把请求发送到操作室计算机，操作室计算机根据当前已经选择的检查部位或者自动检测到的射频接收线圈，选择相应的定位扫描协议，启动扫描。扫描结束后，重建得到定位图像，并通过通讯连接装置，传输到扫描室计算机，最终由扫描室计算机显示在显示屏上，完成定位扫描过程。
2. 在扫描室内进行扫描协议的选择和队列管理。
进行扫描队列管理时，扫描室计算机会首先向操作室计算机请求获取部位信息、检查信息、协议组信息、协议信息等，所有操作都会通过通讯连接装置通知到操作室计算机。对扫描队列进行管理（包括添加或删除协议）操作时，也会通知到操作室计算机，保证两边的信息同步。
3. 在扫描室内即时启动扫描。
在扫描室进行定位操作过程中，根据定位操作，计算修改后的定位参数，发送到操作室计算机，同步修改操作室计算机上显示的定位参数。
在扫描室启动扫描，根据选择好的扫描队列，启动扫描，扫描室计算机通过通讯连接，把扫描请求发送到操作室计算机，由操作室计算机进行扫描、重建，完成后，把扫描图像发送到扫描室计算机进行显示。
采用上述装置在扫描室中进行定位扫描控制的方法流程，如图2所示，包括以下步骤：
步骤S100：确定病人的检查部位，选择与检查部位相对应的射频接收线圈，当病人在病床上就位后进入磁共振机到达指定位置；
步骤S200：扫描室计算机发出启动定位扫描的请求，通过通讯连接装置将请求发送到操作室计算机上；
步骤S300：接收到启动扫描的请求后，操作室计算机根据当前已经选择的检查部位或者自动检测到的射频接收线圈的类型，选择相应的定位扫描协议，然后启动扫描；
步骤S400：对病人进行扫描，并将扫描获取的回波信号送入操作室计算机进行重建得到定位图像；
步骤S500：将重建得到的定位图像通过通讯连接装置传输到扫描室计算机上，并在扫描室计算机的显示屏上显示。
所述定位扫描的时序如图3所示，启动定位扫描的请求从扫描室发起，通过通讯连接，把请求发送到操作室计算机，操作室计算机根据当前已经选择的检查部位或者自动检测到的射频接收线圈，选择相应的定位扫描协议，启动扫描。扫描结束后，重建得到定位图像，并通过通讯连接装置，传输到扫描室计算机，最终由扫描室计算机显示在显示屏上，完成定位扫描过程。
采用上述的设备进行一般扫描时，还可在扫描室计算机上进行定位操作，确定定位参数并即时启动扫描，其方法流程如图4所示，包括以下步骤:
步骤B100：病人进入磁共振机后，对病人进行定位操作，同时计算修改定位后的定位参数；
步骤B200：向操作室计算机发送修改定位后的定位参数和修改操作室计算机上显示的定位参数请求；
步骤B300：操作室计算机对显示的定位参数进行修改，并将修改操作的结果反馈给扫描室计算机；
步骤B400：扫描室计算机发出启动扫描的请求，通过通讯连接装置将请求发送到操作室计算机上；
步骤B500：操作室计算机根据修改后的定位参数控制磁共振机进行扫描，并将扫描获取的回波信号进行重建得到扫描图像；
步骤B600：将重建得到的定位图像通过通讯连接装置传输到扫描室计算机上，并在扫描室计算机的显示屏上显示。
该方法的操作时序如图5所示，在扫描室进行定位操作过程中，根据定位操作，计算修改后的定位参数，发送到操作室计算机，同步修改操作室计算机上显示的定位参数。在扫描室启动扫描，根据选择好的扫描队列，启动扫描，扫描室计算机通过通讯连接，把扫描请求发送到操作室计算机，由操作室计算机进行扫描、重建，完成后，把扫描图像发送到扫描室计算机进行显示。
在执行定位扫描或一般扫描前，所述扫描室计算机还可以对扫描协议队列进行管理，其方法流程如图6所示，包括以下步骤：
步骤A100：扫描室计算机向操作室计算机发出检查部位信息获取请求，并获取检查部位信息列表；
步骤A200：扫描室计算机从获取的检测部位信息列表中选择一个部位，并向操作室计算机发出请求，从而获取该部位的检查项目信息列表；
步骤A300：扫描室计算机从获取的检测项目列表中选择一个检查项目，并向操作室计算机发出请求，从而获取该检查项目下的协议组列表；
步骤A400：扫描室计算机从获取的协议组列表中选择一个协议组，并向操作室计算机发出请求，从而获取该协议组中的协议列表；
步骤A500：扫描室计算机向操作室计算机发出请求，对获取的协议列表进行添加或删除操作，操作室计算机获取请求后进行执行并将执行结果返回给扫描室计算机，保证两边信息同步。
对所述扫描协议队列进行管理的时序如图7所示，进行扫描队列管理时，扫描室计算机会首先向操作室计算机请求获取部位信息、检查信息、协议组信息、协议信息等，所有操作都会通过通讯连接装置通知到操作室计算机。对扫描队列进行管理（包括添加或删除协议）操作时，也会通知到操作室计算机，保证两边的信息同步。
本发明还提供一种实现在扫描室内进行磁共振成像的方法，其包括以下步骤：
步骤1、磁共振机接收到启动扫描的请求后，对病人进行扫描，并将接收到的回波信号传递给操作室计算机；
步骤2、操作室计算机对接收到的回波信号进行重建，得到定位图像或扫描图像；
步骤3、重建得到的定位图像或扫描图像通过通讯连接装置传输到设置在扫描室内的显示屏幕上。
所述的实现在扫描室内进行磁共振成像的方法，其启动扫描的请求由扫描室中的发出，通过通讯连接装置发送到操作室计算机上。
针对该方法提供的一种实现在扫描室内进行磁共振成像的设备，其包括：用于对病人实施扫描并接收回波信号的磁共振机；用于图像显示的显示屏；用于选择相应的扫描协议，然后启动磁共振机进行扫描，并将扫描获取的回波信号进行重建得到定位图像的操作室计算机；用于为显示屏与操作室计算机建立通讯连接的通讯连接装置，
其中，所述显示屏和磁共振机一同放置在扫描室中；所述操作室计算机放置在操作室中；所述显示屏和输入设备与操作室计算机之间通过通讯连接装置连接。
所述的实现在扫描室内进行磁共振成像的设备，还包括：用于输入启动扫描请求和队列管理操作的输入设备； 所述输入设备放置在扫描室中；所述输入设备与操作室计算机之间通过通讯连接装置连接。
应当理解的是，本发明的应用不限于上述的举例，对本领域普通技术人员来说，可以根据上述说明加以改进或变换，例如：
1. 采用自动操作的方式启动定位扫描。
如病床到达指定的位置后自动开始定位扫描。或病床就位并静止下来一段时间后自动启动定位扫描。
2. 不在扫描室放置计算机。
计算机不放在扫描室内，只是在扫描室放置显示屏和输入设备，实现启动定位扫描、扫描协议及扫描队列操作、图像显示、定位操作、扫描启动。
3. 在扫描室内不采用工控机系统。
扫描室内采用别的控制系统，如嵌入式的系统，在其上实现启动定位扫描、扫描协议及扫描队列操作、图像显示、定位操作、扫描启动等。
4. 连接方式改变。
连接装置上，不采用光纤连接装置，直接使用网线连接，或者换用高速的串口、CAN通讯连接方式。
上述所有这些改进和变换都应属于本发明所附权利要求的保护范围，采用本发明可以实现真正的、完整的床边扫描控制。

Claims (14)

  1. 一种在磁共振扫描室内进行扫描控制的方法，其特征在于，所述扫描控制的方法包括进行定位扫描控制的方法，其包括以下步骤：
    确定病人的检查部位，选择与检查部位相对应的射频接收线圈，当病人在病床上就位后进入磁共振机到达指定位置；
    扫描室计算机发出启动定位扫描的请求，通过通讯连接装置将请求发送到操作室计算机上；
    操作室计算机根据当前已经选择的检查部位或者自动检测到的射频接收线圈的类型，选择相应的定位扫描协议，然后启动扫描；
    对病人进行扫描，并将扫描获取的回波信号送入操作室计算机进行重建得到定位图像。
  2. 根据权利要求 1 所述的在磁共振扫描室内进行扫描控制的方法，其特征在于，所述进行定位扫描控制的方法还包括：
    将重建得到的定位图像通过通信连接装置传输到扫描室计算机上，并在扫描室计算机的显示屏上显示 。
  3. 根据权利要求 1 所述的在磁共振扫描室内进行扫描控制的方法，其特征在于，所述扫描控制的方法还包括进行一般扫描控制的方法，其包括以下步骤：
    病人进入磁共振机后，对病人进行定位操作，同时计算修改定位后的定位参数 ；
    向操作室计算机发送修改定位后的定位参数和修改操作室计算机上显示的定位参数请求 ；
    操作室计算机对显示的定位参数进行修改，并将修改操作的结果反馈给扫描室计算机 ；
    扫描室计算机发出启动扫描的请求，通过通讯连接装置将请求发送到操作室计算机上 ；
    操作室计算机根据修改后的定位参数控制磁共振机进行扫描，并将扫描获取的信号进行重建得到扫描图像。
  4. 根据权利要求 3 所述的在磁共振扫描室内进行扫描控制的方法，其特征在于，所述进行一般扫描控制的方法还包括：
    将重建得到的定位图像通过通讯连接装置传输到扫描室计算机上，并在扫描室计算机的显示屏上显示。
  5. 根据权利要求 1 或 3 所述的在磁共振扫描室内进行扫描控制的方法，其特征在于，在对病人进行扫描前还包括对扫描协议队列进行管理，其管理方法包括以下步骤：
    扫描室计算机向操作室计算机发出检查部位信息获取请求，并获取检测部位信息列表；
    扫描室计算机从获取的检测部位列表中选择一个部位，并向操作室计算机发出请求，从而获取该部位的检查项目信息列表；
    扫描室计算机从获取的检测项目列表中选择一个检查项目，并向操作室计算机发出请求，从而获取该检查项目下的协议组列表；
    扫描室计算机从获取的协议组列表中选择一个协议组，并向操作室计算机发出请求，从而获取该协议组中的协议列表；
    扫描室计算机向操作室计算机发出请求对获取的协议列表进行添加或删除操作，操作室计算机获取请求后进行执行并将执行结果返回给扫描室计算机，保证两边信息同步。
  6. 根据权利要求 1 所述的在磁共振扫描室内进行扫描控制的方法，其特征在于，当 病床到达指定的位置后自动开始定位扫描，或病床就位并静止下来数秒后自动启动定位扫描。
  7. 一种在磁共振扫描室内进行扫描控制的设备，其特征在于，包括：
    用于对病人实施扫描并接收回波信号的磁共振机；
    用于 发出启动扫描请求、队列管理操作和图像显示的 扫描室计算机；
    用于 选择相应的扫描协议，然后启动 磁共振机进行 扫描，并将扫描获取的回波信号进行重建得到定位图像的 操作室计算机；
    用于为扫描室计算机和操作室计算机建立通讯连接的通讯连接装置，
    所述扫描室计算机和磁共振机一同放置在扫描室中；所述操作室计算机放置在操作室中；所述扫描室计算机和操作室计算机之间通过通讯连接装置连接。
  8. 根据权利要求 7 所述的在磁共振扫描室内进行扫描控制的设备，其特征在于， 所述扫描室计算机采用工业控制计算机，其屏幕采用液晶触摸屏。
  9. 根据权利要求 7 所述的在磁共振扫描室内进行扫描控制的设备，其特征在于， 所述扫描室计算机采用嵌入式系统。
  10. 根据权利要求 7 所述的在磁共振扫描室内进行扫描控制的设备，其特征在于， 所述通讯连接装置采用光纤传输，转网络接口；或直接使用网线连接；或采用高速串口连接方式。
  11. 一种在磁共振扫描室内进行图像显示的方法，其特征在于，包括以下步骤：
    磁共振机接收到启动扫描的请求后，对病人进行扫描，并将接收到的信号传递给操作室计算机；
    操作室计算机对接收到的信号进行重建，得到定位图像或扫描图像；
    重建得到的定位图像或扫描图像通过通讯连接装置传输到设置在扫描室内的显示屏幕上。
  12. 根据权利要求 11 所述的在磁共振扫描室内进行图像显示的方法，其特征在于， 所述 启动扫描的请求 由扫描室中的发出，通过通讯连接装置发送到操作室计算机上。
  13. 一种在磁共振扫描室内进行图像显示的设备，其特征在于，包括：
    用于对病人实施扫描并接收回波信号的磁共振机；
    用于 图像显示的 显示屏 ；
    用于 选择相应的扫描协议，然后启动 磁共振机进行 扫描，并将扫描获取的回波信号进行重建得到定位图像的 操作室计算机；
    用于为 显示屏 与操作室计算机建立通讯连接的通讯连接装置，
    所述 显示屏 和磁共振机一同放置在扫描室中；所述操作室计算机放置在操作室中；所述 显示屏和输入设备 与操作室计算机之间通过通讯连接装置连接 。
  14. 根据权利要求 13 所述的在磁共振扫描室内进行图像显示的设备，其特征在于，还包括：
    用于输入 启动扫描请求和队列管理操作的输入设备；
    所述 输入设备 放置在扫描室中；所述 输入设备 与操作室计算机之间通过通讯连接装置连接 。
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