CN111885166A - Method, device and system for acquiring DICOM file - Google Patents
Method, device and system for acquiring DICOM file Download PDFInfo
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- H04L67/00—Network arrangements or protocols for supporting network services or applications
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Abstract
The embodiment of the invention discloses a method, a device and a system for acquiring a digital imaging and communications in medicine (DICOM) file. The method comprises the following steps: acquiring a copy data packet of a data packet sent by medical imaging equipment, which is provided by data copying equipment; when a predetermined DICOM file characteristic is detected from the duplicate data packet, a DICOM file is extracted from the duplicate data packet. The embodiment of the invention can obtain the DICOM file without depending on a Picture Archiving and Communication System (PACS), has wide application range, is convenient to implement and can save cost.
Description
Technical Field
The present invention relates to the technical field of medical devices, and in particular, to a method, an apparatus, and a system for acquiring a Digital Imaging and Communications in Medicine (DICOM) file.
Background
DICOM is an international standard for medical images and related information. It defines a medical image format that can be used for data exchange with a quality that meets clinical needs. DICOM is widely used in the fields of radiation medicine, cardiovascular imaging, and radiodiagnosis and treatment (e.g., X-ray equipment, CT equipment, magnetic resonance equipment, ultrasound equipment, etc.), and is increasingly used in ophthalmology, dentistry, and other medical fields. The DICOM file not only contains the information of the image itself, but also carries a lot of medical related information. The introduction and implementation of the DICOM standard simplify the implementation of medical image information exchange, and promote the research and development of Picture Archiving and Communication Systems (PACS).
The PACS mainly aims to store various medical images (including images generated by equipment such as nuclear magnetism, CT, ultrasound, various X-ray machines, various infrared instruments, microscopes and the like) which are generated in daily life in a digitalized manner through various interfaces, can call the medical images quickly when needed, and is added with some auxiliary diagnosis management functions.
Currently, a user generally obtains a DICOM file through a PACS. However, deploying PACS leads to cost issues. Moreover, users need to go to a fixed arrangement of PACS to obtain DICOM files, which is not flexible in use. In addition, the user needs to know enough use experience of the PACS to acquire the DICOM file, which also causes inconvenience for the user.
Disclosure of Invention
The embodiment of the invention provides a method, a device and a system for acquiring a DICOM file.
The technical scheme of the embodiment of the invention is as follows:
a method of retrieving a DICOM file, comprising:
acquiring a copy data packet of a data packet sent by medical imaging equipment, which is provided by data copying equipment;
when a predetermined DICOM file characteristic is detected from the duplicate data packet, a DICOM file is extracted from the duplicate data packet.
Therefore, the method and the device can extract the DICOM file based on the copied data packet of the data packet sent by the medical image equipment, can acquire the DICOM file without depending on the PACS, have wide application range, are convenient to implement and can save cost.
In one embodiment, the obtaining of the duplicate data packet of the data packet sent by the medical imaging device and provided by the data duplication device includes:
generating the copy data packet based on a data packet sent by the medical imaging device at a network Test Access Point (TAP) arranged between the medical imaging device and the data exchange device;
the duplicate packet is obtained from the network TAP.
Therefore, by the network TAP disposed between the medical imaging apparatus and the data exchange apparatus, it is possible to conveniently generate a duplicate packet of the packet issued by the medical imaging apparatus.
In one embodiment, the obtaining of the duplicate data packet of the data packet sent by the medical imaging device and provided by the data duplication device includes:
sending a data packet sent by the medical imaging device to the PACS through a first port in a data exchange device connected with the medical imaging device;
and acquiring a duplicate data packet of the data packet sent by the medical imaging equipment through the mirror image port of the first port.
Therefore, the data exchange device with the port mirroring function can conveniently generate the duplicate data packet of the data packet sent by the medical imaging device.
In one embodiment, the detecting of the predetermined DICOM file characteristic from the duplicate data packet includes at least one of:
detecting a DICOM prefix equivalent to a first predetermined character from the duplicate data packet;
a DICOM prefix equivalent to a first predetermined character and a data type field equivalent to a second predetermined character are detected from the duplicate data packet.
Therefore, the DICOM file can be conveniently identified by detecting the DICOM prefix in the embodiment of the invention. Moreover, the embodiment of the invention can accurately identify the DICOM file by comprehensively detecting the DICOM prefix and the data type field.
An apparatus for retrieving a DICOM file, comprising:
the acquisition module is adapted to acquire a copy data packet of a data packet sent by the medical imaging equipment and provided by the data copying equipment;
an extraction module adapted to extract a DICOM file from the duplicate data packet when a predetermined DICOM file characteristic is detected from the duplicate data packet.
Therefore, the method and the device can extract the DICOM file based on the copied data packet of the data packet sent by the medical image equipment, can acquire the DICOM file without depending on the PACS, have wide application range, are convenient to implement and can save cost.
In one embodiment, the acquisition module is adapted to acquire a duplicate packet of a packet sent by the medical imaging device from a network TAP disposed between the medical imaging device and the data exchange device.
Therefore, by the network TAP disposed between the medical imaging apparatus and the data exchange apparatus, it is possible to conveniently generate a duplicate packet of the packet issued by the medical imaging apparatus.
In one embodiment, the acquiring module is adapted to acquire a duplicate packet of a packet sent by a medical imaging device from a mirror port of a first port of a data exchange device connected to the medical imaging device, wherein the first port is connected to a PACS.
Therefore, the data exchange device with the port mirroring function can conveniently generate the duplicate data packet of the data packet sent by the medical imaging device.
In one embodiment, the extraction module is adapted to extract a DICOM file from a duplicate data packet when a DICOM prefix equivalent to a first predetermined character is detected from the duplicate data packet or when a DICOM prefix equivalent to a first predetermined character and a data type field equivalent to a second predetermined character are detected from the duplicate data packet.
Therefore, the DICOM file can be conveniently identified by detecting the DICOM prefix in the embodiment of the invention. Moreover, the embodiment of the invention can accurately identify the DICOM file by comprehensively detecting the DICOM prefix and the data type field.
A system for retrieving a DICOM file, comprising:
the network TAP is connected with the medical imaging equipment and is adapted to generate a copy data packet based on the data packet sent by the medical imaging equipment;
the data exchange equipment is connected with the network test access point and is adapted to send the data packet sent by the medical imaging equipment to the PACS;
and a DICOM file acquiring device, connected to the network TAP, adapted to acquire the duplicate data packet, and extract the DICOM file from the duplicate data packet when a predetermined DICOM file characteristic is detected from the duplicate data packet.
Therefore, the method and the device can extract the DICOM file based on the copied data packet of the data packet sent by the medical image equipment, can acquire the DICOM file without depending on the PACS, have wide application range, are convenient to implement and can save cost. Moreover, by the network TAP disposed between the medical imaging apparatus and the data exchange apparatus, it is possible to easily generate a duplicate packet of the packet issued by the medical imaging apparatus.
A system for retrieving a DICOM file, comprising:
the data exchange equipment is connected with the medical imaging equipment and comprises a first port connected with the PACS and a mirror image port of the first port;
and a DICOM file acquiring device connected to the mirror port and adapted to acquire a duplicate packet of the packet sent from the medical imaging device to the PACS via the first port from the mirror port, and to extract the DICOM file from the duplicate packet when a predetermined DICOM file characteristic is detected from the duplicate packet.
Therefore, the method and the device can extract the DICOM file based on the copied data packet of the data packet sent by the medical image equipment, can acquire the DICOM file without depending on the PACS, have wide application range, are convenient to implement and can save cost. Moreover, the data exchange device with the port mirroring function can conveniently generate a duplicate data packet of the data packet sent by the medical imaging device.
An apparatus for retrieving a DICOM file, comprising a processor, a memory, and a computer program stored on the memory and executable on the processor, the computer program, when executed by the processor, implementing a method of retrieving a DICOM file as described in any one of the above.
Therefore, the embodiment of the invention also provides a device with a processor-memory architecture, which can obtain the DICOM file without depending on the PACS, has wide application range, is convenient to implement and can save cost.
A computer readable storage medium having stored thereon a computer program which, when executed by a processor, implements a method of retrieving a DICOM file as described in any of the above.
Therefore, the embodiment of the invention also provides a computer readable storage medium containing the computer program, which can obtain the DICOM file without depending on the PACS, has wide application range, is convenient to implement and can save cost.
Drawings
Fig. 1 is a flowchart of a method for acquiring a DICOM file according to an embodiment of the present invention.
Fig. 2 is a diagram illustrating a DICOM file format.
Fig. 3 is a block diagram of an apparatus for acquiring a DICOM file according to an embodiment of the present invention.
Fig. 4 is a first exemplary block diagram of a system for acquiring a DICOM file according to an embodiment of the present invention.
Fig. 5 is a second exemplary block diagram of a system for acquiring a DICOM file according to an embodiment of the present invention.
Fig. 6 is a block diagram of an apparatus for acquiring a DICOM file having a processor-memory architecture according to an embodiment of the present invention.
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Detailed Description
In order to make the technical scheme and advantages of the present invention more apparent, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the detailed description and specific examples, while indicating the scope of the invention, are intended for purposes of illustration only and are not intended to limit the scope of the invention.
For simplicity and clarity of description, the invention will be described below by describing several representative embodiments. Numerous details of the embodiments are set forth to provide an understanding of the principles of the invention. It will be apparent, however, that the invention may be practiced without these specific details. Some embodiments are not described in detail, but rather are merely provided as frameworks, in order to avoid unnecessarily obscuring aspects of the invention. Hereinafter, "including" means "including but not limited to", "according to … …" means "at least according to … …, but not limited to … … only". In view of the language convention of chinese, the following description, when it does not specifically state the number of a component, means that the component may be one or more, or may be understood as at least one.
The applicant found that: there are many areas in the prior art that could be improved by relying on PACS to obtain DICOM files. The embodiment of the invention provides a technical scheme for independently acquiring the DICOM file without depending on the PACS.
Fig. 1 is a flowchart of a method for acquiring a DICOM file according to an embodiment of the present invention. The method is suitable for execution by a device for obtaining DICOM files that is not included in a PACS.
As shown in fig. 1, the method includes:
step 101: and acquiring a copy data packet of the data packet sent by the medical imaging equipment, which is provided by the data copying equipment.
The medical imaging device is various instruments which reproduce the internal structure of the human body into images by using various media as information carriers, and the image information of the medical imaging device has a corresponding relation in space and time distribution with the actual structure of the human body. For example, the medical imaging device may include an X-ray device, a CT device, a magnetic resonance device, an ultrasound device, and the like. The medical imaging device may generate a DICOM file, encapsulate the DICOM file into data packets based on a predetermined transmission protocol (e.g., TCP/IP protocol or CAN protocol, etc.), and send the data packets out, such as to the PACS system, via a data switching device (e.g., a switch or router, etc.) connected to the medical imaging device.
The above exemplary descriptions are provided for exemplary embodiments of a medical imaging apparatus, and those skilled in the art will appreciate that the descriptions are only exemplary and are not intended to limit the scope of the embodiments of the present invention.
Moreover, the data replication device is used for replicating the data packet generated by the medical imaging device. In step 101, the DICOM file acquiring device may acquire a copy packet of a packet sent from the medical imaging device from the data copying device.
In one embodiment, at a network TAP disposed between the medical imaging device and the data exchange device, a duplicate data packet is generated based on a data packet issued by the medical imaging device; the duplicate packet is obtained from the network TAP.
In particular, the data replication device may be implemented as a TAP arranged between the medical imaging device and the data exchange device. The TAP has an input port connected to the medical imaging device for receiving data packets from the medical imaging device. The network TAP generates a copy packet based on a packet transmitted from the medical imaging apparatus. The network TAP has two output ports, one of which is connected to the data exchange device to transmit the data packet sent by the medical imaging device to the data exchange device, so that the data packet is sent by the data exchange device, for example, to the PACS system; the other output port is connected to the DICOM file acquiring device, so that the copied data packet is transmitted to the DICOM file acquiring device.
It can be seen that the duplicate data packet of the data packet sent by the medical imaging device can be conveniently generated by the network TAP arranged between the medical imaging device and the data exchange device.
In one embodiment, a data packet sent by a medical imaging device is sent to a PACS via a first port in a data exchange device connected with the medical imaging device; and acquiring a duplicate data packet of the data packet sent by the medical imaging equipment through the mirror image port of the first port.
The data replication device may be implemented as a port mapping (port mirroring) enabled data exchange device that is arranged to be connected to the medical imaging device. The input port of the data exchange device is connected with the medical imaging device to receive the data packet sent by the medical imaging device. Moreover, based on the port mirroring function of the data switching device, the snooping of the network may be implemented by forwarding data traffic of one or more source ports on the data switching device to a specified port, where the specified port is referred to as a mirror port. The data switching device may be embodied as a switch or router, etc.
Specifically, the data exchange device is provided with an input port for receiving a data packet sent by the medical imaging device. Moreover, the data exchange device has two ports (both output ports), wherein the first port is connected with the PACS to send the data packet sent by the medical imaging device to the PACS system; the second port is a mirror image port of the first port. The image port is connected to the DICOM file acquiring apparatus, and transmits a copy packet of the packet output through the first port to the DICOM file acquiring apparatus.
Step 102: when a predetermined DICOM file characteristic is detected from the duplicate data packet, the DICOM file is extracted from the duplicate data packet.
In one embodiment, the detection of the predetermined DICOM file characteristic from the duplicate data packet includes at least one of:
(1) a DICOM prefix equivalent to the first predetermined character is detected from the duplicate data packet.
Therefore, the DICOM file can be conveniently identified by detecting the DICOM prefix in the embodiment of the invention.
(2) A DICOM prefix equivalent to a first predetermined character and a data type field equivalent to a second predetermined character are detected from the reproduced packet.
Therefore, the embodiment of the invention can accurately identify the DICOM file by comprehensively detecting the DICOM prefix and the data type field
The following describes an embodiment of the present invention with reference to the DICOM file format. A DICOM file refers to a medical file stored in compliance with the DICOM standard. The fifth section of the DICOM standard introduces its Data structure, defining a Data set (DataSet) to hold Information Object Definitions (IODs), and consisting of a number of Data elements (Data elements).
Fig. 2 is a diagram illustrating a DICOM file format. As shown in fig. 2, the DICOM file 20 includes a DICOM file header 31 and a DICOM data set 32.
The DICOM file header 31 contains information relevant to identifying the data set, and each DICOM file includes a file header. The DICOM file header 31 contains relevant information identifying the data set. Specifically, the DICOM file header 31 includes: (1) a file preamble 21 consisting of 128 bytes; (2) a DICOM prefix 22, which can determine whether the file is a DICOM file according to whether a character string with the length of 4 bytes is equal to 'DICM'; (3) and a file information element 23.
The DICOM data set 32 is the main component of the DICOM file 31 and contains a plurality of data elements 24. Each data element 24 includes: (1) DICOM TAG (TAG) 41: storing an identification of the item of information; (2) value presentation (VR) field 42: storing a data type describing the item of information; (3) value length field 43: storing a data length describing the item of information; (4) value field 44: a data value describing the item of information is stored.
The DICOM standard defines 27 basic data types, i.e. 27 VRs, in PS 3.5.
Specifically, the value representation field 42 may include: (1) code String (CS); (2) short String (SH); (3) long String (LO); (4) short Text (ST); (5) long Text (LT); (6) unrestricted Text (UT); (6) application Entity (AE); (8) patient Name (PN); (9) unique identifier (UniqueIdentifier, UI); (10) date (Data, DA); (11) time (TM); (12) date Time (DT); (13) age String (AS); (14) integer String (IS); (15) fractional String (DS); (16) signed Short (SS); (17) unsigned Short (US); (18) signed Long (SL); (19) unsigned Long (UL); (20) attribute Tag (AT); (21) single precision Floating point (FL); (22) double-precision binary Floating-Point number (FD); (23) other byte String (OB); (24) other Word String (OW); (25) other floating String (OF); (26) sequence Items, SQ; (27) unknown (UN).
In one embodiment, whether a DICOM file feature is detected may be determined based on the DICOM prefix 22.
In particular, when a DICOM prefix equivalent to a predetermined character is detected from a duplicate data packet, the DICOM file characteristic may be deemed detected.
For example, when a DICOM prefix (i.e., a 4-byte string "DICM") is detected after the length of the file preamble 31 (i.e., 128 bytes) from the start of the payload field of the duplicate packet, the DICOM file signature is considered to be detected. At this point, the complete DICOM file may be extracted starting from the start of the payload field of the duplicate packet. In this embodiment, it is only by detecting the DICOM prefix, i.e. determining whether the DICOM file feature is detected, which has the advantage of fast detection.
In one embodiment, it may also be determined whether a DICOM file feature is detected based on the DICOM prefix 22 and the value representation field 42 together. In particular, when a DICOM prefix equivalent to a first predetermined character and a data type field equivalent to a second predetermined character are detected from the duplicate data packet, the DICOM file characteristic may be deemed detected.
For example, when a DICOM prefix (i.e., a 4-byte string "DICM") is detected after the length of the file preamble 31 (i.e., 128 bytes) from the start of the payload field of the copy packet, and any of the 27 primitive data types mentioned above is detected from the VR field 42, the DICOM file signature is considered to be detected. At this point, the complete DICOM file may be extracted starting from the start of the payload field of the duplicate packet. In this embodiment, the DICOM file characteristics can be accurately determined by detecting the DICOM prefix and data type field together.
While the above exemplary description describes exemplary embodiments of detecting DICOM file characteristics, those skilled in the art will appreciate that this description is merely exemplary and is not intended to limit the scope of embodiments of the present invention.
In summary, the DICOM file can be extracted based on the duplicate data packet of the data packet sent by the medical image device, the DICOM file can be obtained without depending on the PACS, the application range is wide, the implementation is convenient, and the cost can be saved. Moreover, the copied data packet can be synchronized with the data packet sent by the medical image equipment, so that the DICOM file can be acquired in real time by the embodiment of the invention.
Based on the above description, the embodiment of the invention also provides a device for acquiring the DICOM file.
Fig. 3 is a block diagram of an apparatus for acquiring a DICOM file according to an embodiment of the present invention. The DICOM file acquisition device may sniff the DICOM file from the data packets.
As shown in fig. 3, the apparatus 300 for acquiring a DICOM file includes:
an obtaining module 301 adapted to obtain a duplicate data packet of a data packet sent by a medical imaging device, which is provided by a data duplicating device;
an extracting module 302 adapted to extract a DICOM file from the duplicate data packet when a predetermined DICOM file characteristic is detected from the duplicate data packet.
In one embodiment, the obtaining module 301 is adapted to obtain a duplicate data packet of a data packet sent by a medical imaging device from a network TAP disposed between the medical imaging device and a data exchange device.
In one embodiment, the obtaining module 301 is adapted to obtain a duplicate packet of a packet sent by a medical imaging device from a mirror port of a first port of a data exchange device connected to the medical imaging device, wherein the first port is connected to a PACS.
In one embodiment, the extracting module 302 is adapted to extract a DICOM file from the duplicate data packet when a DICOM prefix equivalent to a first predetermined character is detected from the duplicate data packet or when a DICOM prefix equivalent to a first predetermined character and a data type field equivalent to a second predetermined character are detected from the duplicate data packet.
Based on the above description, the embodiment of the invention also provides a system for acquiring the DICOM file.
Fig. 4 is a first exemplary block diagram of a system for acquiring a DICOM file according to an embodiment of the present invention.
As shown in fig. 4, the system 50 includes:
a network TAP52 connected to the medical imaging apparatus 51 and adapted to generate a duplicate packet based on the packet sent from the medical imaging apparatus 51;
a data exchange device 54 connected to the network TAP52 and adapted to transmit the data packets sent from the medical imaging device 51 to the PACS 55;
the DICOM file acquiring device 53, which is connected to the network TAP52, is adapted to acquire the duplicate data packet generated by the network TAP52, and when a predetermined DICOM file characteristic is detected from the duplicate data packet, extract the DICOM file from the duplicate data packet.
The apparatus 53 for acquiring a DICOM file may be embodied as an apparatus 300 for acquiring a DICOM file as shown in fig. 3. Moreover, the data switching device 54 may be embodied as a switch or router, or the like. The medical imaging device 51 may be embodied as an X-ray device, a CT device, a magnetic resonance device, an ultrasound device, or the like.
Fig. 5 is a second exemplary block diagram of a system for acquiring a DICOM file according to an embodiment of the present invention.
As shown in fig. 5, the system 60 for acquiring a DICOM file includes:
a data exchange device 62 connected to the medical imaging device 61, and including a first port 621 connected to the PACS63 and a mirror port 622 of the first port 621;
a DICOM file retrieving device 64, connected to the mirror port 622, is adapted to retrieve from the mirror port 622 duplicate packets of the data packets sent to the PACS63 via the first port 621, the DICOM file being extracted from the duplicate packets when predetermined DICOM file characteristics are detected from the duplicate packets.
The apparatus 64 for acquiring the DICOM file may be embodied as an apparatus 300 for acquiring the DICOM file as shown in fig. 3. Also, the data switching device 62 may be implemented as a switch or router. The medical imaging device 61 may be embodied as an X-ray device, a CT device, a magnetic resonance device, an ultrasound device, or the like.
Fig. 6 is a block diagram of an apparatus for acquiring a DICOM file having a processor-memory architecture according to an embodiment of the present invention.
As shown in fig. 6, the apparatus 600 includes a processor 601 and a memory 602;
stored in the memory 602 is an application executable by the processor 1201 for causing the processor 601 to perform the method 100 of DICOM file as shown in fig. 1.
The memory 602 may be implemented as various storage media such as an Electrically Erasable Programmable Read Only Memory (EEPROM), a Flash memory (Flash memory), and a Programmable Read Only Memory (PROM). The processor 601 may be implemented to include one or more central processors or one or more field programmable gate arrays that integrate one or more central processor cores. In particular, the central processor or central processor core may be implemented as a CPU or MCU.
It should be noted that not all steps and modules in the above flows and structures are necessary, and some steps or modules may be omitted according to actual needs. The execution order of the steps is not fixed and can be adjusted as required. The division of each module is only for convenience of describing adopted functional division, and in actual implementation, one module may be divided into multiple modules, and the functions of multiple modules may also be implemented by the same module, and these modules may be located in the same device or in different devices.
The hardware modules in the various embodiments may be implemented mechanically or electronically. For example, a hardware module may include a specially designed permanent circuit or logic device (e.g., a special purpose processor such as an FPGA or ASIC) for performing specific operations. A hardware module may also include programmable logic devices or circuits (e.g., including a general-purpose processor or other programmable processor) that are temporarily configured by software to perform certain operations. The implementation of the hardware module in a mechanical manner, or in a dedicated permanent circuit, or in a temporarily configured circuit (e.g., configured by software), may be determined based on cost and time considerations.
The present invention also provides a machine-readable storage medium storing instructions for causing a machine to perform a method as described herein. Specifically, a system or an apparatus equipped with a storage medium on which a software program code that realizes the functions of any of the embodiments described above is stored may be provided, and a computer (or a CPU or MPU) of the system or the apparatus is caused to read out and execute the program code stored in the storage medium. Further, part or all of the actual operations may be performed by an operating system or the like operating on the computer by instructions based on the program code. The functions of any of the above-described embodiments may also be implemented by writing the program code read out from the storage medium to a memory provided in an expansion board inserted into the computer or to a memory provided in an expansion unit connected to the computer, and then causing a CPU or the like mounted on the expansion board or the expansion unit to perform part or all of the actual operations based on the instructions of the program code. Examples of the storage medium for supplying the program code include floppy disks, hard disks, magneto-optical disks, optical disks (e.g., CD-ROMs, CD-R, CD-RWs, DVD-ROMs, DVD-RAMs, DVD-RWs, DVD + RWs), magnetic tapes, nonvolatile memory cards, and ROMs. Alternatively, the program code may be downloaded from a server computer or the cloud by a communication network.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the scope of the present invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (12)
1. A method (100) of retrieving a DICOM file, comprising:
acquiring a copy data packet (101) of a data packet sent by medical imaging equipment and provided by data copying equipment;
when a predetermined DICOM file characteristic is detected from the duplicate data packet, a DICOM file is extracted from the duplicate data packet (102).
2. The method (100) of retrieving a DICOM file in accordance with claim 1,
the acquisition data replication device provides a replication data packet (101) of a data packet sent by the medical imaging device, and the replication data packet comprises:
generating, at a network test access point (52) arranged between the medical imaging device (51) and the data exchange device (54), the duplicate data packet based on a data packet issued by the medical imaging device (51);
the duplicate data packet is obtained from the network test access point (52).
3. The method (100) of retrieving a DICOM file in accordance with claim 1,
the acquisition data replication device provides a replication data packet (101) of a data packet sent by the medical imaging device, and the replication data packet comprises:
transmitting a data packet sent by the medical imaging device (61) to the image archiving and communication system (63) via a first port (621) in a data exchange device (62) connected to the medical imaging device (61);
obtaining a duplicate data packet of the data packet sent by the medical image device (61) through a mirror port (622) of the first port (621).
4. The method (100) of retrieving a DICOM file in accordance with claim 1,
the detecting of the predetermined DICOM file characteristic from the duplicate data packet includes at least one of:
detecting a DICOM prefix equivalent to a first predetermined character from the duplicate data packet;
a DICOM prefix equivalent to a first predetermined character and a data type field equivalent to a second predetermined character are detected from the duplicate data packet.
5. An apparatus (300) for retrieving a DICOM file, comprising:
an acquisition module (301) adapted to acquire a duplicate data packet of a data packet sent by a medical imaging device, provided by a data duplication device;
an extraction module (302) adapted to extract a DICOM file from the duplicate data packet when a predetermined DICOM file characteristic is detected from the duplicate data packet.
6. The apparatus (300) for obtaining DICOM files in accordance with claim 5,
an acquisition module (301) adapted to acquire duplicate data packets of data packets issued by the medical imaging device (51) from a network test access point (52) arranged between the medical imaging device (51) and the data exchange device (54).
7. The apparatus (300) for obtaining DICOM files in accordance with claim 5,
an acquisition module (301) adapted to acquire a duplicate packet of a packet sent by the medical imaging device (61) from a mirror port (622) of a first port (621) of a data exchange device (62) connected to the medical imaging device (61), wherein the first port (621) is connected to the image archiving and communication system (63).
8. The apparatus (300) for obtaining DICOM files in accordance with claim 5,
an extraction module (302) adapted to extract a DICOM file from the duplicate data packet when a DICOM prefix equivalent to a first predetermined character is detected from the duplicate data packet or when a DICOM prefix equivalent to a first predetermined character and a data type field equivalent to a second predetermined character are detected from the duplicate data packet.
9. A system (50) for obtaining a DICOM file, comprising:
a network test access point (52) connected with the medical imaging device (51) and adapted to generate a duplicate data packet based on the data packet sent by the medical imaging device (51);
a data exchange device (54) connected to the network test access point (52) and adapted to send data packets from the medical imaging device (51) to the image archiving and communication system (55);
-means (53) for retrieving a DICOM file connected to the network test access point (52) adapted to retrieve the duplicate data package, the DICOM file being extracted from the duplicate data package when a predetermined DICOM file characteristic is detected from the duplicate data package.
10. A system (60) for obtaining a DICOM file, comprising:
a data exchange device (62) connected to the medical imaging device (61) and comprising a first port (621) connected to an image archiving and communication system (63) and a mirror port (622) of said first port (621);
-means (64) for retrieving a DICOM file connected to said mirror port (622) and adapted to retrieve from the mirror port (622) a duplicate data packet of a data packet sent from the medical image device (61) to the image archiving and communication system (63) via the first port (621), the DICOM file being extracted from said duplicate data packet when a predetermined DICOM file characteristic is detected from said duplicate data packet.
11. An apparatus (600) for retrieving a DICOM file, comprising a processor (601), a memory (602) and a computer program stored on the memory (602) and executable on the processor (601), the computer program, when executed by the processor (601), implementing the method (100) for retrieving a DICOM file as claimed in any one of claims 1 to 4.
12. A computer-readable storage medium, on which a computer program is stored which, when being executed by a processor, carries out a method (100) of retrieving a DICOM file according to any one of claims 1 to 4.
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| CN202010722097.2A CN111885166B (en) | 2020-07-24 | 2020-07-24 | Method, device and system for acquiring DICOM file |
| PCT/CN2021/100437 WO2022017084A1 (en) | 2020-07-24 | 2021-06-16 | Method, apparatus and system for acquiring dicom file |
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| WO2022017084A1 (en) * | 2020-07-24 | 2022-01-27 | 西门子（中国）有限公司 | Method, apparatus and system for acquiring dicom file |
| CN114500498A (en) * | 2021-12-28 | 2022-05-13 | 武汉联影医疗科技有限公司 | DICOM file transmission and storage method, system, equipment and storage medium |
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| CN117672471B (en) * | 2024-02-01 | 2024-04-19 | 达州爱迦飞诗特科技有限公司 | Medical image file processing method and system supporting remote access and operation |
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