Controlling a Medical Imaging System Using Imaging Chain Components

Abstract

Disclosed herein is a medical device (100, 200, 400, 500, 600) having an imaging chain component configured to be integrated into an imaging chain of a medical imaging system (205). The imaging chain is configured to acquire measurement data (218) during operation of the medical imaging system, the imaging chain component having a local memory (108) storing local machine-executable instructions, a local computing system (106), and a local data communication interface (110) configured to form a local data connection (202) for exchanging data between the local computing system and the medical imaging system. Execution of the local machine-executable instructions causes the computing system to control the medical imaging system and initiate acquisition of measurement data (306) via the local data connection.

Description

[Technical Field]

[0001] The present invention relates to medical image processing, and more particularly to upgrading medical image processing systems. [Background technology]

[0002] Various medical imaging techniques, such as magnetic resonance imaging (MRI), computed tomography, positron emission tomography, and single-photon emission tomography, allow for detailed visualization of target anatomy. A common feature of all these imaging modalities is that their components are complex and often difficult to upgrade or modify. Summary of the Invention [Problem to be solved by the invention]

[0003] US Patent Publication US 11,435,412 B2 discloses one or more peripheral components attached to a medical imaging system, where one or more devices are connected to the one or more peripheral components and configured to communicate data with a controller of the medical imaging system. [Means for solving the problem]

[0004] The invention provides a medical device, a computer program and a method in the independent claims. Embodiments are set out in the dependent claims.

[0005] In one aspect, the present invention provides a medical device including imaging chain components configured to be integrated into the imaging chain of a medical imaging system. As used herein, imaging chain includes components used to physically measure measurement data for the medical imaging system. These may be components used to control and generate radio frequency or ionizing radiation. They may also be components used to measure or acquire data. These include, for example, X-ray detectors, X-ray tubes, and high-voltage X-ray generators in computed tomography (CT) scanners and diagnostic X-ray systems. Other examples include coils and other components in magnetic resonance imaging systems. The imaging chain is configured to acquire measurement data during operation of the medical imaging system.

[0006] The imaging chain component comprises a local memory that stores machine-executable instructions. The imaging chain component further includes a local computing system. The imaging chain component also includes a local data communication interface that forms a local data connection for exchanging data between the local computing system and the medical imaging system. Execution of the local machine-executable instructions causes the computing system to control the medical imaging system and initiate acquisition of measurement data via the local data connection. This embodiment may be advantageous because the medical imaging system may be upgraded or improved when the imaging chain component is upgraded.

[0007] In various embodiments, the imaging chain component may also provide additional data for configuring the medical imaging system. For example, the imaging chain component may provide configuration data used to configure the medical imaging system for operation or use of the imaging chain component.

[0008] Once the imaging chain component begins acquiring measurement data, it functionally becomes the controller of the medical imaging system, which has the advantage that you can upgrade the imaging chain component without having to upgrade the controller.

[0009] The manner in which measurement data acquisition is initiated via or using the local data connection may vary depending on the example. In one example, a local computing system provides configuration data or control commands to a controller of a medical imaging system, which is then triggered by the initiation of measurement data acquisition. In another example, an imaging chain component may act as the controller of the medical imaging system. When measurement data acquisition is initiated by an imaging chain component, it is initiated by providing control commands to components of the medical imaging system other than the imaging chain component. Thus, other parts of the medical imaging system whose operation needs to be modified by the introduction of the imaging chain component can also receive the appropriate control commands.

[0010] The local data connection may be formed using different wired or wireless protocols. For example, in some instances, the local data connection may be formed using fiber optics, a wired network, or other connections. In other instances, the local data connection may be formed using Bluetooth, Wi-Fi, or other wireless communication protocols.

[0011] In an embodiment, the medical device comprises a medical imaging system, the medical imaging system comprising a system controller configured to control the medical imaging system to obtain the measurement data.

[0012] The local data communications interface can be used to control the medical imaging system in a variety of ways through the system controller. In some examples, a local computing system sends control commands to the system controller. Some medical imaging systems may be able to receive specific commands used to control functionality via messages. In other examples, the local data communications interface may be used to pass messages to a local executable library, such as a DLL or dynamic link library within a Windows® operating system.

[0013] In other cases, the software control may be inaccessible or the source code may be outdated or unavailable. In this case, the local data communication interface not only provides access to the system controller's display but also emulates the system controller's human interface device interface. The software robot can then be implemented on the local computing system, which receives the system controller's display and manipulates it via an emulated keyboard and / or mouse commands. For example, the software robot can be implemented using known libraries, such as an RPA framework, which provides libraries and tools for robotic process automation.

[0014] In another embodiment, the imaging chain component is augmented by or connected to a local memory, a local computing system, and a local communication data interface. For example, these three components may not typically be integrated components in an imaging chain component. This may be advantageous because it may provide a means to upgrade the medical imaging system with a single component. For example, if the imaging component is a component such as a magnetic resonance imaging antenna or an additional X-ray detector, replacing this component will upgrade the functionality of the medical imaging system to accommodate the new antenna or detector.

[0015] In another embodiment, the imaging chain component comprises a network interface configured to form a network connection with a remote reconstruction system. In an example, the network interface forming the network connection is separate from the local data connection. The imaging component then forms a local data connection for controlling the medical imaging system, and then separately forms a network connection with the remote reconstruction system. Execution of the local machine-executable instructions causes the local computing system to further store the measurement data in a local memory. Execution of the local machine-executable instructions causes the local computing system to further transmit the measurement data to the remote reconstruction system. This embodiment may be advantageous because, in this case, other components of the medical imaging system are bypassed to reconstruct medical images from the measurement data.

[0016] This has the advantage of providing a means to update or improve the reconstruction of measurement data without making any changes to the medical imaging system, for example allowing older medical imaging systems to be upgraded to the latest standards by simply replacing the imaging chain components.

[0017] In another embodiment, the local memory further includes system configuration data for configuring the medical imaging system to acquire measurement data with the imaging chain. Execution of the machine-executable instructions causes the computing system to further configure the medical imaging system by sending the configuration data to the medical imaging system via the local data connection. This may occur, for example, before the medical imaging system begins acquiring measurement data. This embodiment may be beneficial because it provides a means for the imaging chain components to automatically configure the medical imaging system, which may include components of the medical imaging system other than the imaging chain components.

[0018] In another embodiment, the imaging chain component further comprises a user interface connection. Execution of the local machine executable instructions causes the computing system to further receive change data via the user interface connection. Execution of the local machine executable instructions causes the computing system to further modify the configuration data before transmitting the configuration data to the medical imaging system. In this embodiment, the user interface connection enables a connection that allows a user of the medical imaging system to control and update specific acquisitions of measurement data using a user interface provided on the imaging chain component. This provides a means for providing an alternative or replacement control system for the medical imaging system. The user interface connection can, for example, be used to connect to another computing device or computer. This may include a tablet, workstation, mobile phone, or other computing device. This allows, for example, providing an app on a mobile computing device that can be used to control functions of the medical imaging system after the imaging chain component is installed in the medical imaging system. The user interface connection may enable additional functionality, such as pushing updates and configuration changes to the imaging chain component. This allows the entire medical device to be updated or its configuration changed by pushing update or configuration data to the imaging chain components.

[0019] In another embodiment, the local memory further includes system control commands configured to control operation of the medical imaging system during acquisition of the measurement data. Execution of the machine-executable instructions causes the computing system to acquire the measurement data by controlling the medical imaging system via the local data connection using the system control commands. In this embodiment, the medical imaging system is configured and then its operation is not triggered by the imaging chain components, but rather the imaging chain components functionally control the other components of the medical imaging system. This embodiment can be advantageous because it provides a means to completely update the control of the medical imaging system simply by replacing the imaging chain components.

[0020] In another embodiment, the imaging chain component is a data measurement component. As used herein, a data measurement component may include a component in the imaging chain that directly or indirectly measures measurement data. Incorporating control of the medical imaging system into the data measurement component can provide many advantages. For example, if the imaging chain component is or consists of a sensor, data can be acquired and then processed directly in the imaging chain component. This may eliminate the need to move data to or from an existing medical imaging system. This can save, for example, bandwidth and significant amounts of time. This embodiment may be beneficial because it can provide updated network capabilities for existing or older medical imaging systems. Another potential advantage is that the data measurement component can perform some pre-processing, such as averaging or filtering, as it acquires the measurement data, and then reconstruct the medical image directly or send it over a network connection to a remote reconstruction system. This may help, for example, to significantly speed up the functioning of the medical imaging system.

[0021] In another embodiment, the medical imaging system comprises a magnetic resonance imaging system. The measurement data comprises k-space data. This is particularly useful when a data measurement component is used to measure or record the k-space data. The magnetic resonance imaging system may acquire large amounts of k-space data even for simple images. Replacing the data measurement component in the magnetic resonance imaging system may provide a means to pre-process the k-space data before reconstruction, a means to efficiently offload the k-space data to a remote reconstruction system, or even a means to reconstruct the magnetic resonance image using the data measurement component itself.

[0022] In another embodiment, the data measurement component is a magnetic resonance imaging coil.

[0023] The magnetic resonance imaging coil in this case further comprises a local memory, a local computing system and a local data communication interface, which provide additional functionality for controlling the medical imaging system.

[0024] In another embodiment, the data measurement component is a wireless magnetic resonance imaging coil.

[0025] The wireless magnetic resonance imaging coil in this case further comprises a local memory, a local computing system, and a local data communication interface, which provides additional functionality for controlling the medical imaging system.

[0026] In another embodiment, the data measurement component is a magnetic resonance imaging coil interface configured to receive a magnetic resonance imaging coil.

[0027] The magnetic resonance imaging coil interface in this case further comprises a local memory, a local computing system and a local data communication interface, which provide additional functionality for controlling the medical imaging system.

[0028] These embodiments may be beneficial because magnetic resonance imaging coils are used to receive radio frequency signals from a subject during a magnetic resonance imaging examination, and the digitization of these radio frequency signals is the k-space data.

[0029] In another embodiment, the magnetic resonance imaging coil interface is integrated into a subject support configured to support at least a part of a subject in an imaging zone of a magnetic resonance imaging system. This may be advantageous, for example, because the subject support can be modified, thereby providing a means for updating the magnetic resonance imaging system and for reconstructing magnetic resonance images or for using magnetic resonance images reconstructed by the reconstruction device.

[0030] The subject support in this case further comprises a local memory, a local computing system, and a local data communication interface, which provide additional functionality for controlling the medical imaging system.

[0031] In the above embodiment, the medical device comprises an MRI system in which the RF coil (detector) serves as an imaging chain component that controls the MRI scanner.

[0032] In the first example, the RF detector coil is a component of the imaging chain and acts as the master device that controls the MRI scanner by providing input for scan planning and setup.

[0033] Optionally, the imaging chain components can also collect scan data (k-space data).

[0034] In this example, the detector (coil or interface) may be connected to a computer network or cloud for sending and receiving data and displaying a "simple display station" or other type of user interface. The system may operate to include one or more of the following functions: A networked universal RF coil (detector) sends and receives information to and from the cloud. Information from the coil is used to configure and plan the scan. In this context, a user interface (UI) on the host computer may be open to apply and review the scan plan. The scanner becomes the "futility" executor of the scanning process The data is stored and transferred to the cloud by the coil / device.

[0035] Such an approach has the following advantages: Potentially vendor independent, i.e. the scan control and data acquisition device can (in principle) be independent of the scanner. The data flow (scan planning / data collection / reconstruction) can completely bypass the scanner. System upgrades / downgrades are performed by replacing major components.

[0036] The parameter settings required for the best quality operation of the key components are attached to the key components which control the system accordingly and request the necessary information such as system feedback, calibration data, system data, etc. Imaging chain components may be the components with the most innovative capabilities (e.g., detectors and detector data processing). Replacing major components defines system upgrades, speeding up innovation cycles if no other system adaptations are required (because other system components, such as the main field coil in MRI, remain unchanged). Also, adaptations to data processing, data handling, and data flow configurations, which may change more frequently than machine updates, can be organized by updating "data generation components" (i.e., imaging chain components).

[0037] Some MR systems may have separate coil interfaces, sometimes called smart coil interfaces, that include processing and sampling capacity. One or more of these coil interfaces may be imaging chain components. These interfaces can be more complex, including digitization, data pre-processing, and optionally scanner control as the master. An example of this is a multi-channel digital connector / interface box. Analog coils can be connected to the interface, which includes digitization and processing. The number of coils connected and their configuration (size) controls and configures the scanner. The interface can also be integrated into the patient bed / support, so the patient support is considered a peripheral unit and acts as the master.

[0038] In another embodiment, the data measurement component is an X-ray detector, which can be beneficial because changes to the X-ray detector can require changes to how the measurement data is used to reconstruct the finished medical image.

[0039] The X-ray detector in this case further comprises a local memory, a local computing system, and a local data communication interface, which provides additional functionality for controlling the medical imaging system.

[0040] In another embodiment, the x-ray detector is a computed tomography detector.

[0041] In another embodiment, the x-ray detector is a digital x-ray detector.

[0042] In another embodiment, the x-ray detector is a flat panel x-ray detector. For example, a flat panel x-ray detector may be inserted into an x-ray machine where a film cassette would be inserted. Incorporating a control system into such an x-ray detector can be a convenient way to convert older, outdated x-ray systems into modern, digital, computer-controlled x-ray systems.

[0043] In another embodiment, the x-ray detector is a flat panel wireless x-ray detector.

[0044] In another embodiment, the imaging chain component is an X-ray source.

[0045] The X-ray source in this case further comprises a local memory, a local computing system, and a local data communication interface, which provides additional functionality for controlling the medical imaging system.

[0046] In another embodiment, the imaging chain component is an x-ray tube.

[0047] The x-ray tube in this case further comprises a local memory, a local computing system, and a local data communication interface, which provide additional functionality for controlling the medical imaging system.

[0048] In another embodiment, the imaging chain component is an x-ray tube power supply.

[0049] The x-ray tube power supply in this case additionally includes local memory, a local computing system, and a local data communication interface, which provides additional functionality for controlling the medical imaging system.

[0050] In another embodiment, the imaging chain component is a high voltage generator.

[0051] The high voltage generator in this case further comprises a local memory, a local computing system, and a local data communication interface, which provides additional functionality for controlling the medical imaging system.

[0052] In another embodiment, the imaging chain component is a controllable collimator.

[0053] The controllable collimator in this case further comprises a local memory, a local computing system, and a local data communication interface, which provides additional functionality for controlling the medical imaging system.

[0054] In another embodiment, the medical imaging system further comprises an X-ray based diagnostic imaging system.

[0055] In another example, the medical imaging system is a digital x-ray (DXR) system, in which the x-ray detector controls the DXR scanner.

[0056] In some examples, the imaging chain component is an X-ray detector (e.g., a wireless flat panel X-ray detector) and a peripheral device that acts as a master device to control the DXR system by providing input for scan planning and setup. Optionally, the master device can also collect scan data.

[0057] Specifically, such a DXR system: controlling triggers for the X-ray tube / X-ray generator, including parameter settings; Controlling the mechanical movement of the collimator and table / system mechanism (depending on the type of system); Sending the data to a "proprietary" processing station (or an additional tablet as master, including cloud processing if necessary); The present invention has one or more features of a mobile wireless DXR detector (e.g., in a mobile / bedside DXR system) that perform the following:

[0058] This embodiment may have the advantage that the detector initially has raw data (measurement data) (like an MR RF coil) that the OEM detector can use to provide an alternative iterative or AI-based reconstruction in parallel to the system's standard reconstruction.

[0059] In another embodiment, the X-ray detector is a detector for a computed tomography (CT) system controlled by an imaging chain component (X-ray detector). For example, the CT detector module (X-ray detector) is the master controller of a platform-based CT system. Depending on the type of module (16-line, 32-line, 64-line, 128-line, 256-line, and conventional detectors, and / or spectral / photon-counting detectors), the detector unit as the master component controls the settings of slave components such as the collimator, and parameters for the generator and X-ray tube (focus control) conform to the scan protocol settings. Depending on the hardware configuration, the master unit determines the allowed / useful parameter settings for the slave components.

[0060] The advantage of having the detector as the master controller (imaging chain component) with modern control and scanning software is interesting for CT systems, where the detector exchange allows for upgrades and / or reconfigurations while other components such as collimators, X-ray tubes, high voltage generators, etc. can remain the same or be adapted to modules such as, for example, the data transmission infrastructure (slip rings) with more parallel channels for higher bandwidth.

[0061] Software updates may be provided together with the detector module as an interchangeable module, with the remaining compatible components configured and adjusted according to the detector geometry and system setup in terms of size, acquisition speed, collimation, and operation.

[0062] The advantage is the flexibility to reconfigure the CT scanner by replacing only the main imaging chain components. The console serves as the user interface and transmits patient and application specific information, while the installed detector modules provide the best available scanning options offered by the detector module, including available scan speeds (i.e., collimation), which depend on the detector size, and image information (spectral / non-spectral), which depends on the detector technology and patient condition.

[0063] Also, data organization with defined requests for reconfiguration in the system / hospital cloud or said cloud can be initiated by the detector, so that direct replacement of the detector module upgrades / downgrades the complete functionality of the CT scanner.

[0064] In another example of a C-arm based 3D imaging or CT scanner using a flat panel detector (X-ray detector), the detector not only controls the X-ray system including collimation, but can also control the rotation of the gantry / C-arc and, if necessary, the movement of the table.

[0065] In another embodiment, the imaging component further comprises a mechanical housing configured to be attached to the medical imaging system. The local memory is enclosed in the mechanical housing. The local data connection is at least partially enclosed by the mechanical housing. The local computing system is enclosed in the mechanical housing. This embodiment can be advantageous because it is a component that is attached to the medical imaging system. Mechanically connecting the imaging chain components to the medical imaging system provides a means to update or improve the functionality of the medical imaging system.

[0066] In another embodiment, the medical device comprises a medical imaging system.

[0067] In another embodiment, the medical imaging system is a magnetic resonance imaging system.

[0068] In another embodiment, the medical imaging system is a positron emission tomography system.

[0069] In another embodiment, the medical imaging system is a single photon emission tomography system.

[0070] In another embodiment, the medical imaging system is a computed tomography system.

[0071] In another embodiment, the medical imaging system is a digital fluoroscope system.

[0072] In another embodiment, the medical imaging system is a digital x-ray system.

[0073] In another embodiment, the medical imaging system is a tomographic medical imaging system.

[0074] In another embodiment, the medical imaging system is a radiological medical imaging system.

[0075] In other embodiments, the medical device may comprise multiple imaging modalities. Updates to the imaging chain components of the medical imaging system may also be used to update and control the functionality of other medical imaging modalities.

[0076] In another embodiment, the medical imaging system is a combination magnetic resonance imaging system and a positron emission tomography system.

[0077] In another embodiment, the medical imaging system further comprises a combined medical magnetic resonance imaging system and a computed tomography system.

[0078] In embodiments, hybrid scanners are provided where one component of one system can control other systems, e.g., PET-CT / PET-MRI systems. In some instances, hierarchical and master / slave definitions may be negotiated.

[0079] In another embodiment, the medical device comprises additional components, for example, a high intensity focused ultrasound system for treating or heating a subject with ultrasound.

[0080] In another embodiment, the medical device further comprises a radiation therapy system, such as a gamma knife or a LINAC system.

[0081] In another aspect, the present invention provides a method of operating a medical device, the medical device comprising: an imaging chain component configured to be integrated into an imaging chain of a medical imaging system; the imaging chain component configured to acquire measurement data during operation of the medical imaging system; the imaging chain component comprising a local computing system and a local data communication interface for forming a local data connection configured to exchange data between the local computing system and the medical imaging system; the method including causing the computing system to control the medical imaging system and initiate acquisition of the measurement data via the local data connection.

[0082] In another aspect, the present invention provides a computer program product including local machine executable instructions executed by a local computing system integrated into an imaging chain component. The imaging chain component is configured to be integrated into the imaging chain of a medical imaging system. The imaging chain component is configured to acquire measurement data during operation of the medical imaging system. The imaging chain component includes a local data communication interface for forming a local data connection configured to exchange data between the local computing system and the medical imaging system. Execution of the local machine executable instructions causes the computing system to control the medical imaging system to initiate acquisition of the measurement data via the local data connection.

[0083] It will be understood that one or more of the above-described embodiments of the present invention can be combined, as long as the combined embodiments are not mutually exclusive.

[0084] As will be appreciated by one skilled in the art, aspects of the present invention may be embodied as an apparatus, a method, or a computer program product. Accordingly, aspects of the present invention may take the form of an entirely hardware embodiment, an entirely software embodiment (including firmware, resident software, microcode, etc.), or an embodiment combining software and hardware aspects (all of which may be referred to generally herein as a "circuit," "module," or "system"). Furthermore, aspects of the present invention may take the form of a computer program product embodied in one or more computer-readable medium(s) having computer-executable code embodied therein.

[0085] Any combination of one or more computer-readable media may be utilized. A computer-readable medium may be a computer-readable signal medium or a computer-readable storage medium. As used herein, "computer-readable storage medium" includes any tangible storage medium capable of storing instructions executable by a processor or computing system of a computing device. A computer-readable storage medium may also be referred to as a computer-readable non-transitory storage medium. A computer-readable storage medium may also be referred to as a tangible computer-readable medium. In some embodiments, a computer-readable storage medium may also store data accessible by a computing system of a computing device. Examples of computer-readable storage media include floppy disks, magnetic hard disk drives, solid-state hard disks, flash memory, USB thumb drives, random access memory (RAM), read-only memory (ROM), optical disks, magneto-optical disks, and computing system register files. Examples of optical disks include compact discs (CDs) and digital versatile discs (DVDs), such as CD-ROM, CD-RW, CD-R, DVD-ROM, DVD-RW, or DVD-R discs. The term computer-readable storage medium also refers to various types of storage media that can be accessed by a computer device over a network or communications link. For example, data may be obtained via a modem, the Internet, or a local area network. Computer-executable code embodied on a computer-readable medium may be transmitted using any suitable medium, including, but not limited to, wireless, wired, fiber optic cable, RF, etc., or any suitable combination of the foregoing.

[0086] A computer-readable signal medium may include a propagated data signal with computer-executable code embodied therein, for example, in baseband or as part of a carrier wave. Such a propagated signal may take any of a variety of forms, including, but not limited to, electromagnetic, optical, or any suitable combination thereof. A computer-readable signal medium may be any computer-readable medium, which is not a computer-readable storage medium, but is capable of communicating, propagating, or transmitting a program for use by or in connection with an instruction execution system, apparatus, or device.

[0087] "Computer memory" or "memory" is an example of a computer-readable storage medium. Computer memory is memory that is directly accessible to a computing system. "Computer storage" or "storage" is a further example of a computer-readable storage medium. Computer storage is any non-volatile computer-readable storage medium. In some embodiments, computer storage may be computer memory, or vice versa.

[0088] As used herein, a "computing system" includes an electronic component capable of executing a program or machine-executable instructions, or computer-executable code. References to a computing system in the examples of "computing system" should be interpreted as possibly including multiple computing systems or processing cores. A computing system may be, for example, a multi-core processor. A computing system may also refer to a collection of computing systems within a single computer system or distributed among multiple computer systems. The term computing system should also be interpreted as referring to a collection or network of computing devices, each of which includes a processor or computing system. Machine-executable code or instructions may be executed by multiple computing systems or processors within the same computing device, or may be distributed across multiple computing devices.

[0089] Machine-executable instructions or computer-executable code may include instructions or programs that cause a processor or other computing system to perform aspects of the present invention. Computer-executable code for performing operations for aspects of the present invention may be written in any combination of one or more programming languages, including object-oriented programming languages ​​such as Java, Smalltalk, and the like, or may be integrated with C++ or other conventional procedural programming languages ​​(e.g., the "C" programming language) or similar programming languages ​​and compiled into machine-executable instructions. In some instances, the computer-executable code may be in the form of a high-level language or pre-compiled, or may be used in conjunction with an interpreter that generates machine-executable instructions on the fly. In other cases, the machine-executable instructions or computer-executable code may be in the form of programming a programmable logic gate array.

[0090] The computer executable code may run entirely on the user's computer, partially on the user's computer, as a stand-alone software package, partially on the user's computer and partially on a remote computer, or entirely on a remote computer or server. In the latter situation, the remote computer may be connected to the user's computer via any type of network, including a local area network (LAN) or a wide area network (WAN), or may be connected to an external computer (e.g., via the Internet using an Internet Service Provider).

[0091] Aspects of the present invention will be described with reference to flowchart illustrations and / or block diagrams of methods, apparatus (systems), and computer program products according to embodiments of the invention. It will be understood that each block or portion of a block in the flowcharts, illustrations, and / or block diagrams, where applicable, can be implemented by computer program instructions in the form of computer-executable code. It will also be understood that blocks in different flowcharts, illustrations, and / or block diagrams can be combined, if not mutually exclusive. These computer program instructions are provided to a computing system, such as a general-purpose computer, a special-purpose computer, or other programmable data processing device that produces a machine, such that the instructions, when executed by the computer or other programmable data processing device, create means for implementing the functions / acts identified in one or more blocks of the flowcharts and / or block diagrams.

[0092] These machine-executable instructions or computer program instructions may be stored on a computer-readable medium that can direct a computer, other programmable data processing apparatus, or other device to function in a particular manner, such that the instructions stored on the computer-readable medium create an article of manufacture that includes instructions that implement the functions / acts identified in one or more blocks of the flowcharts and / or block diagrams.

[0093] Machine-executable instructions or computer program instructions are loaded into a computer, other programmable data processing device, or other device and execute a series of operational steps on the computer, other programmable device, or other device to generate a computer-implemented process, where the instructions executing on the computer or other programmable device provide a process for implementing the functions / acts identified in one or more blocks of the flowcharts and / or block diagrams. As used herein, a "user interface" is an interface that allows a user or operator to interact with a computer or computer system. A "user interface" is also called a "human interface device." A user interface can provide information or data to an operator and / or receive information or data from an operator. A user interface can allow a computer to receive input from an operator and provide output from the computer to a user. In other words, a user interface allows an operator to control or operate a computer and allows a computer to indicate the effects of the operator's control or operation. The display of data or information on a display or graphical user interface is an example of providing information to an operator. Receiving data via a keyboard, mouse, trackball, touchpad, pointing stick, graphics tablet, joystick, gamepad, webcam, headset, pedals, wired gloves, remote control, and accelerometer are all examples of user interface components that allow for the receipt of information or data from an operator.

[0094] As used herein, the term "hardware interface" encompasses an interface that enables a computer system to interact with other equipment and / or control external computing devices and / or devices. A hardware interface allows a computing system to send control signals and commands to external computing devices and / or devices. A hardware interface allows a computing system to exchange data with external computing devices and / or devices. Examples of hardware interfaces include, but are not limited to, a universal serial bus, an IEEE 1394 port, a parallel port, an IEEE 1284 port, a serial port, an RS-232 port, an IEEE-488 port, a Bluetooth connection, a wireless local area network connection, a TCP / IP connection, an Ethernet connection, a control voltage interface, a MIDI interface, an analog input interface, and a digital input interface.

[0095] As used herein, a "display" or "display device" includes an output device or user interface adapted to display images or data. A display can output visual, auditory, and / or tactile data. Examples of displays include, but are not limited to, computer monitors, television screens, touchscreens, tactile electronic displays, Braille screens, cathode ray tubes (CRTs), capacitors, bi-stable displays, electronic paper, vector displays, flat panel displays, fluorescent display tubes (VFs), light emitting diode (LED) displays, electroluminescent displays (ELDs), plasma display panels (PDPs), liquid crystal displays (LCDs), organic light emitting diode displays (OLEDs), projectors, head-mounted displays, and the like.

[0096] Measurement data is defined here as measurements recorded by a medical imaging system that describe an object. The measurement data may be reconstructed as a medical image. A medical image is defined here as a two-dimensional, three-dimensional, or four-dimensional visualization of the reconstructed anatomical data contained in the measurement data. This visualization can be performed, for example, by a computer.

[0097] Here, K-space data is defined as the recorded measurements of radio frequency signals emitted from atomic spins using the antenna of a magnetic resonance machine during a magnetic resonance imaging scan. Magnetic resonance data is an example of tomographic medical image data.

[0098] A magnetic resonance imaging (MRI) image or MR image is defined herein as a reconstructed two-dimensional or three-dimensional visualization of anatomical data contained within magnetic resonance imaging data. This visualization can be performed, for example, by a computer.

[0099] Preferred embodiments of the present invention will now be described, by way of example only, with reference to the drawings in which: [Brief explanation of the drawings]

[0100] [Figure 1] 1 shows an example of a medical device. [Figure 2] 1 illustrates a further example of a medical device. [Figure 3] 3 is a flowchart showing a method of using the medical device of FIG. 2. [Figure 4] 1 illustrates a further example of a medical device. [Figure 5] 1 illustrates a further example of a medical device. [Figure 6] 1 illustrates a further example of a medical device. DETAILED DESCRIPTION OF THE INVENTION

[0101] Elements numbered the same in these figures are equivalent elements or perform the same function. An element previously described is not necessarily described in a subsequent figure if the function is equivalent.

[0102] 1 illustrates an example medical device 100. The medical device 100 is shown as including an imaging chain component 102 that includes a local control unit 104. The local control unit 104 includes a local computing system 106. The local computing system 106 is in communication with a local memory 108.

[0103] The local computing system 106 is shown as including a local data communication interface 110 configured to form a local data connection with the medical imaging system. Additionally, the local computing system 106 is shown connected to an optional network interface 112. The optional network interface 112 is useful in forming network connections with other components, such as, for example, a remote reconstruction system or a remote user interface or control system.

[0104] The local memory 108 is shown to include local machine executable instructions 120 that enable the computing system 106 to perform basic numerical and control tasks. The memory 108 is further shown to include start acquisition commands 122 that the computing system 106 can send to the medical imaging system via the local data communication interface 110. The memory 108 is further shown to include optional system configuration data 124 that can be used to configure or modify the operation of the medical imaging system to acquire medical image data. The memory 108 is further shown to include optional system control commands 126 that are an alternative to the system configuration data 124. The system control commands 126 may be used by the computing system 106 to directly control the medical imaging system. The system configuration data 124 and system control commands 126 illustrate two optional alternatives: one is to configure the medical imaging system using the system configuration data 124 and then start the medical imaging system using the initiated acquisition command 122. Alternatively, the initiated acquisition command 122 is part of the system control commands 126 that are used to directly control the acquisition of measurement data.

[0105] 2 illustrates a further example of a medical device 200. The medical device 200 is shown to further include a system controller used to control a medical imaging system 205. The local data communication interface 110 is shown forming a local data connection 202 with the system controller 204.

[0106] The network interface 112 is shown forming an optional network connection 206 with a remote reconstruction system 208. The measurement data is transmitted over the network connection 206 and reconstructed into a medical image. The network interface 112 is also shown forming an optional user interface connection with a remote user interface 212. The remote user interface 212 may be, for example, another computer, a tablet, a mobile phone, a smartphone, or other computing device. In this case, the remote user interface 212 is used to transmit a change data set 214 over the user interface connection 210. The change data 214 is used to modify the system configuration data 124 to provide modified configuration data 216.

[0107] The computing system 106 can then send the modified configuration data 216 to the system controller 204. An initiated acquisition command 122 can then be sent to the system controller 204 over the local data connection 202 to cause the medical imaging system 204 to acquire measurement data 218. In this particular example, the imaging chain component 102 is shown as including a data measurement component 220, which may be, for example, a sensor or digitizer used to directly acquire the measurement data 218. In this example, the measurement data 218 is acquired directly by the imaging chain component 102, so it is stored in the memory 108 and then transferred to the remote reconstruction system 208 over the network connection 206. It will be appreciated that when the optional remote reconstruction system 208 and optional user interface 212 are used, data essentially bypasses the medical imaging system 205 and control and configuration of the medical imaging system 205 is essentially moved to the imaging chain component 102.

[0108] 3 shows a flowchart illustrating a method of operating the medical device 200 of FIG. 2. First, in step 300, change data 214 is received via the user interface connection 210. Next, in step 302, the change data 214 is used to change the system configuration data 124 to provide changed configuration data 216. Next, in step 304, the changed configuration data 216 is sent via the local data connection 202 to the system controller 204 of the medical imaging system 205. Alternatively, in step 304, the system configuration data 124 can be sent directly to the system controller 204 of the medical imaging system 205 without change. Next, in step 306, acquisition of measurement data 218 is initiated by sending an initiated acquisition command 122 to the system controller 204 of the medical imaging system 205. Next, in step 308, the measurement data 218 is stored in the local memory 108. Finally, in step 310, the measurement data 218 is transmitted over the network connection 206 to the remote reconstruction system 208.

[0109] 4 illustrates a further example of a medical device 400. The medical device 400 is similar to the medical device 200 illustrated in FIG. 2 , except that instead of configuring the medical imaging system 205 using modified configuration data 216, the medical device 400 directly controls the medical imaging system 205 using system control commands 126. The memory 108 is again shown to contain modified data 214. However, instead of modifying configuration data, the memory 108 is shown to contain modified system control commands 402. When the initiated acquisition command 122 is executed, the modified system control commands 402 are used to control the medical imaging system 205 and acquire measurement data 218.

[0110] Figure 5 shows another medical device 500 similar to the medical device 200 shown in Figure 2. In this example, the medical device 500 further includes a magnetic resonance imaging system 502 controlled by the system controller 204.

[0111] The system controller 204 is shown implemented using a processor 530. The processor 530 is shown connected to a network interface 532 that is used to form a local data connection with the imaging chain component 102'. In this example, the imaging chain component is a transceiver. The processor further communicates with computer memory 536 and an optional user interface 534.

[0112] The magnetic resonance imaging system 502 includes a magnet 504. The magnet 504 is a superconducting cylindrical magnet with a bore 506 extending therethrough. Different types of magnets can be used. For example, both split cylindrical magnets and so-called open magnets can be used. Split cylindrical magnets are similar to standard cylindrical magnets except that the cryostat is divided into two sections to allow access to the magnet's isosurface. Such magnets can be used, for example, in conjunction with charged particle beam therapy. Open magnets have two magnet sections, one above the other, with a space between them large enough to accommodate the subject. The arrangement of the two magnet sections resembles a Helmholtz coil. Open magnets are popular because the subject is not enclosed. Inside the cryostat of the cylindrical magnet is a collection of superconducting coils.

[0113] Within the bore 506 of the cylindrical magnet 304 is an imaging zone 508, which generates a magnetic field of sufficient strength and uniformity to perform magnetic resonance imaging. A field of view 509 is displayed within the imaging region 508. Acquired k-space data is typically acquired relative to the field of view 309. A region of interest may be the same as the field of view 309 or may be a subvolume of the field of view 509. A subject 518 is supported by a subject support 520, and is shown with at least a portion of the subject 518 within the imaging region 508 and the field of view 509.

[0114] Also within the magnet bore 506 are a series of magnetic field gradient coils 510 used to acquire k-space data within the imaging region 508 of the magnet 504. The magnetic field gradient coils 510 are connected to a magnetic field gradient coil power supply 512. The magnetic field gradient coils 510 are intended to be exemplary. Typically, the magnetic field gradient coils 510 include three separate coil sets for spatial encoding in three orthogonal spatial directions. The magnetic field gradient power supply supplies current to the magnetic field gradient coils 510. The current supplied to the magnetic field gradient coils 510 is controlled as a function of time and may be ramped or pulsed.

[0115] Adjacent to the imaging zone 508 is a radio frequency coil 514 for manipulating the orientation of magnetic spins within the imaging zone 508 and for receiving radio frequency transmissions from spins also within the imaging zone 508. The radio frequency antenna may have multiple coil elements. The radio frequency antenna may also be referred to as a channel or antenna. The radio frequency coil 514 is connected to a radio frequency transceiver 102'. The radio frequency coil 514 and the radio frequency transceiver 102' may be replaced by separate transmit and receive coils and separate transmitters and receivers. It is understood that the radio frequency coil 514 and the radio frequency transceiver 102' are representative. The radio frequency coil 514 is also intended to represent a dedicated transmit antenna and a dedicated receive antenna. Similarly, the transceiver 102' may represent separate transmitters and receivers. The radio frequency coil 514 may have multiple receive / transmit elements, and the radio frequency transceiver 102' may have multiple receive / transmit channels.

[0116] As previously mentioned, in this example, the transceiver 200′ is a component of the imaging chain. In this example, the transceiver 200′ includes an interface for the radio frequency coil 514, including a digitizer and / or a matching network. In other examples, the imaging chain component may be the radio frequency coil 514 or a coil interface. The transceiver 200′ is connected to the hardware interface 532 via the local data connection 202. In this example, the modified configuration data is a modified pulse sequence command 216′. When the transceiver 200′ sends the initiated acquisition command 122 via the local data connection 202, the processor 530 executes the modified pulse sequence command 216′. This causes the magnetic resonance imaging system 502 to acquire measurement data 218. In this case, the measurement data 218 is k-space data. In this arrangement, the transceiver 200' transmits the k-space data directly to the remote reconstruction system 208 via the network connection 206. The processor 530 continues to control the magnetic resonance imaging system 502 during k-space data acquisition, but system configuration and data processing has been moved from the system controller 204. This allows the magnetic resonance imaging system 502 to be upgraded, for example, by simply replacing the transceiver 200'. As previously mentioned, other components of the imaging chain, such as the radio frequency coil 514 and its interface, can also be replaced.

[0117] FIG. 5 illustrates an example using a magnetic resonance imaging system 502. The magnetic resonance imaging system may be replaced or combined with other medical imaging systems, such as a positron emission tomography system, a computed tomography system, a single-photon emission tomography system, a digital x-ray system, or a digital fluoroscopy system. The diagram in FIG. 5 also applies to medical devices that include multiple types of medical imaging systems. The diagram also applies to various types of image-guided therapy systems, such as image-guided radiation therapy and image-guided high-intensity focused ultrasound. In such cases, the imaging chain components may also configure and trigger additional medical imaging systems or therapy devices.

[0118] 6 illustrates a further example of a medical device 600. The medical device 600 includes an X-ray device 602. This includes an X-ray source 604 configured to generate X-rays 606 that pass through a subject 518 and enter a flat-panel X-ray detector 102″. The X-ray source 604 may consist of components such as an X-ray tube and a power supply for the X-ray tube. The flat-panel X-ray detector 102″ is a component of the imaging chain. It may be connected to a remote reconstruction system 208 and a user interface 212. In this example, initiated acquisition commands 122 are used to directly control the X-ray source 604. When these are sent and received by the processor 530, the X-ray source is controlled by the modified system control commands 402.

[0119] In Figure 6, an example is shown using an X-ray device 602. The X-ray device can be replaced or combined with other medical imaging systems, such as a positron emission tomography system, a computed tomography system, a single photon emission tomography system, a magnetic resonance imaging system, or a digital fluoroscopy system. The diagram in Figure 6 also applies to medical devices that include multiple types of medical imaging systems. This diagram also applies to various types of image-guided therapy systems, such as image-guided radiation therapy and image-guided high-intensity focused ultrasound. The imaging chain components can also control additional medical imaging systems and / or therapy devices.

[0120] While the invention has been illustrated and described in detail in the drawings and foregoing description, such illustration and description are to be considered illustrative or exemplary and not restrictive. The invention is not limited to the disclosed embodiments.

[0121] Other variations to the disclosed embodiments can be understood and effected by those skilled in the art in practicing the claimed invention, from a study of the drawings, the disclosure, and the appended claims. In the claims, the word "comprising" does not exclude other elements or steps, and the indefinite article "a" or "an" does not exclude a plurality. A single processor or other unit may fulfill the functions of several items recited in the claims. The mere fact that certain means are recited in mutually different dependent claims does not indicate that a combination of these means cannot be used to advantage. A computer program can be stored / distributed on a suitable medium, such as an optical storage medium or a solid-state medium, supplied together with or as part of other hardware, but can also be distributed in other forms, such as via the Internet or other wired or wireless telecommunications systems. Any reference signs in the claims should not be construed as limiting the scope. [Explanation of symbols]

[0122] 100 Medical equipment 102 Imaging Chain Components 102' transceiver 102'' Flat Panel X-ray Detector 104 Local Control Device 106 Local Computing System 108 Local Memory 110 Local Data Communication Interface 112 Network Interface 120 local machine executable instructions 122 Steps to start the get command 124 System Configuration Data 126 System Control Commands 200 Medical equipment 202 Local Data Connection 204 System Controller 205 Medical Imaging Systems 206 Network Connection 208 Remote Reconfiguration System 210 User interface connection 212 Remote User Interface 214 Change Data 216 Changed configuration data 216 Modified Pulse Sequence Command 218 Measurement Data 220 Data Measurement Components 300 receiving change data via a user interface connection 302 modifying the configuration data before transmitting the configuration data to the medical imaging system 304 transmitting the configuration data to the medical imaging system via the local data connection. 306. Initiating acquisition of measurement data via a local data connection. 308 Storing measurement data in local memory 310 Transmitting the measurement data to a remote reconstruction system 400 Medical equipment 402 Changed System Control Commands 500 Medical equipment 502 Magnetic Resonance Imaging System 504 Magnet 506 Magnet inner diameter 508 Imaging Area 509 Field of view 510 Magnetic Gradient Coil 512 Magnetic field gradient coil power supply 514 Radio Frequency Coil 518 Subject 520 Subject support unit 204 System Controller 530 processor 532 network interface 534 User Interface 536 Computer Memory 540 System Machine Executable Instructions 600 Medical equipment 602 X-ray equipment 604 X-ray source 606 X-ray

Claims

1. 1. A medical device comprising: a medical imaging system comprising a system controller configured to control the medical imaging system to acquire measurement data; an imaging chain component configured to be integrated into an imaging chain of the medical imaging system, the imaging chain configured to acquire the measurement data during operation of the medical imaging system, the imaging chain component comprising: a local memory storing local machine executable instructions; a local computing system; a local data communications interface configured to form a local data connection for exchanging data between the local computing system and the medical imaging system, wherein execution of the local machine-executable instructions is configured to cause the computing system to control the medical imaging system via the system controller to initiate acquisition of the measurement data via the local data connection; an imaging chain component having A medical device comprising:

2. The imaging chain component comprises a network interface configured to form a network connection with a remote reconstruction system, and execution of the local machine executable instructions on the local computing system includes: storing the measurement data in the local memory; transmitting the measurement data to a remote reconstruction system; The medical device of claim 1 ,

3. 3. The medical device of claim 1 or 2, wherein the local memory further includes system configuration data configured to configure the medical imaging system to acquire the measurement data using the imaging chain, and execution of the machine-executable instructions causes the computing system to configure the medical imaging system by sending the configuration data to a system controller of the medical imaging system via the local data connection.

4. The imaging chain component is further configured to form a user interface connection, and execution of the local machine executable instructions further configures the computing system to: receiving modification data via said user interface connection; modifying the configuration data using the modification data before transmitting the configuration data to the medical imaging system; The medical device of claim 3 , wherein the medical device executes the following:

5. 5. The medical device of claim 1, wherein the local memory further comprises system control commands configured to control operation of the medical imaging system during acquisition of the measurement data, and execution of the machine-executable instructions further causes the computing system to perform the step of acquiring the measurement data by controlling a system controller of the medical imaging system via a local data connection to the system control commands.

6. The medical device of claim 1 , wherein the imaging chain component is a data measurement component.

7. The medical apparatus of claim 6 , wherein the medical imaging system comprises a magnetic resonance imaging system and the measurement data comprises k-space data.

8. The medical device of claim 7 , wherein the data measurement component is one of a magnetic resonance imaging coil, a wireless magnetic resonance imaging coil, and a magnetic resonance imaging coil interface configured to receive a magnetic resonance imaging coil.

9. The medical device of claim 6 , wherein the data measurement component is an X-ray detector.

10. 10. The medical device of claim 9, wherein the x-ray detector is one of a computed tomography detector, a digital x-ray detector, a flat panel x-ray detector, and a flat panel wireless x-ray detector.

11. 6. The medical device of claim 1, wherein the imaging chain component is one of an X-ray source, an X-ray tube, an X-ray tube power supply, a high voltage generator, and a controllable collimator.

12. 12. The medical device of claim 9, 10, or 11, wherein the medical imaging system further comprises an X-ray based diagnostic imaging system.

13. The medical device of claim 1 , wherein the imaging chain components are augmented with the local memory, the local computing system, and the local data communication interface.

14. 1. A method of operating a medical device, the medical system comprising a medical imaging system, the medical imaging system comprising a system controller configured to control the medical imaging system to acquire measurement data, the medical device comprising an imaging chain component configured to be integrated into an imaging chain of the medical imaging system, the imaging chain configured to acquire measurement data during operation of the medical imaging system, the imaging chain component comprising: a local computing system; a local data interface configured to form a local data connection for exchanging data between the local computing system and the medical imaging system; the method comprising causing the computing system to control the medical imaging system via the system controller to initiate acquisition of the measurement data via the local data connection.

15. 1. A computer program having local machine executable instructions for execution by a local computing system integrated into an imaging chain component, the imaging chain component configured to be integrated into an imaging chain of a medical imaging system, the medical imaging system comprising a system controller configured to control the medical imaging system to acquire measurement data, the imaging chain configured to acquire measurement data during operation of the medical imaging system, the imaging chain component comprising a local data interface configured to form a local data connection for exchanging data between the local computing system and the medical imaging system, and execution of the local machine executable instructions causes the computing system to perform the step of controlling the medical imaging system via the system controller to initiate acquisition of the measurement data via the local data connection.

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