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Virtual print information interaction specification of medical digital imaging
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Basic data
| Standard ID | WS/T 597-2018 (WS/T597-2018) |
| Description (Translated English) | Virtual print information interaction specification of medical digital imaging |
| Sector / Industry | Health Industry Standard (Recommended) |
| Classification of Chinese Standard | C07 |
| Word Count Estimation | 11,16 |
| Date of Issue | 2018-04-17 |
| Date of Implementation | 2018-10-01 |
| Regulation (derived from) | State-Health-Communication (2018) 5 |
| Issuing agency(ies) | National Health Commission |
WS/T 597-2018: Virtual print information interaction specification of medical digital imaging
---This is a DRAFT version for illustration, not a final translation. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.) will be manually/carefully translated upon your order.
Virtual print information interaction specification of medical digital imaging
ICS 11.000
C 07
WS
People's Republic of China Health Industry Standard
Medical digital image virtual printing information interaction specification
Published on.2018 - 04 - 17
2018 - 10 - 01 implementation
National Health and Wellness Committee of the People's Republic of China
Foreword
This standard was drafted in accordance with the rules given in GB/T 1.1-2009.
This standard was proposed by the National Health Standards Committee Information Standards Committee.
This standard was drafted. First Affiliated Hospital of China Medical University, University of Electronic Science and Technology, National Health and Family Planning Commission Statistical Information Center, country
Home Health Standards Committee Information Standards Committee, International DICOM Standards China Committee, General Health Ministry Information Center, Ningxia Medical
University General Hospital, Tongji Medical College of Huazhong University of Science and Technology, West China Hospital of Sichuan University.
The main drafters of this standard. Shao Yong, Qu Jianming, Pu Lixin, Hu Jianping, Tang Xuejun, Cheng Yanjun, Yang Lei, Huang Heqing, Xu Yongyong,
Ning Yi, Li Zhenye, Shen Lining, Wang Yue, Zhang Youqing, Chen Dongjia.
Medical digital image virtual printing information interaction specification
1 Scope
This standard specifies the technical content of the medical digital image virtual printing information interaction process.
This standard applies to all types of medical and health institutions, medical equipment manufacturers, medical image storage and archiving systems (PACS) at all levels of the country.
Manufacturers and manufacturers of radiology information systems (RIS) are also suitable for software development and evaluation of medical digital image virtual printing.
2 Normative references
The following documents are indispensable for the application of this standard. For dated references, only the dated version applies to this standard.
quasi. For undated references, the latest edition (including all amendments) applies to this standard.
DICOM Standard.2011 (Digital Imaging and Communications in Medicine.2011)
3 Terms and definitions
The following terms and definitions apply to this document.
3.1
Virtual print virtual print
Use software to simulate physical printers, generate electronic print files from print client data, and implement and physical print processes simultaneously
A printing method that keeps the communication consistent.
4 Abbreviations
The following abbreviations apply to this document.
DICOM Digital Imaging and Communications in Medicine
DIMSE DICOM Information Service Element
ID identification number (Identity)
LO long string (Long String)
LUT lookup table (Look-up Table)
M/M Mandatory/Mandatory
PACS Medical Image Storage and Archive System (Picture Archiving and Communication System)
RIS Radiology Information System
SCP Service Provider (Serivce Class Provider)
SCU Service Class User
SH short string (Short String)
SOP Service Object Pair
UI Unique Identifier
UID Unique Identifier
U/M Optional/Mandatory
U/U Optional/Optional
VM Numerical Diversity (Value Multiplicity)
VR numerical representation (Value Respresentation)
5 virtual print interaction specification
5.1 Logical properties of virtual print information interaction
The virtual print information interaction attribute table is shown in Table 1.
Table 1 Virtual Print Information Interaction Attribute Table
Attribute Name Tag (Tag) VR VM Type
Check the instance UID (Study Instance UID) (0020,000D) UI 1 1
5.2 Virtual Print Information Interaction Process
The process of virtual printing SCP and SCU information exchange is a specific complete film printing process (see DICOM Standard.2011 Edition Chapter 2)
Page 93), as shown in Figure 1, after the completion of the printing session, the service will receive the data content and the inspection information corresponding to the current printing.
Association matching (see Appendix A for a detailed example).
print
SCU
print
SCP
DICOM Film Session N-CREATE
DICOM Presentation LUT N-CREATE
DICOM Film Box N-CREATE
DICOM Image Box N-SET
DICOM Film Box N-ACTION
DICOM Film Session N-ACTION
DICOM Film Box N-DELETE
DICOM Film Session N-DELETE
Printer status DICOM N-EVENT-REPORT
Figure 1 film printing flow chart
5.3 Virtual Print Interaction Matching Process
5.3.1 Process Matching Information
The SOP classes for the N-CREATE process in the film print session and the N-SET process for the DICOM image box are shown in Table 2.
Table 2 Basic Film Session Attribute Table
SOP class SOP class UID
Basic Film Session SOP Class 1.2.840.10008.5.1.1.1
Basic grayscale image box SOP class 1.2.840.10008.5.1.1.4
In the N-CREATE communication process of the film session, the N-CREATE information that the service will receive is shown in Table 3.
Table 3 Basic Film Session Attribute Table
Property Name Tag (Tag) SCU/SCP
Check the instance UID (Study Instance UID) (0020, 0010) U/U
Related Reference Check (0008,1110) U/U
>Related SOP Class UID (0008, 1150) M/M
>Related SOP Instance UID (Referenced SOP Instance UID) (0008, 1155) M/M
Specified Character Set (0008,0005) U/U
Number of Copies (2000,0010) U/M
Print Priority (2000,0020) U/M
Film Type (2000,0030) U/M
Film Destination (2000,0040) U/M
Film Session Label (2000,0050) U/U
Memory Allocation (2000,0060) U/U
Owner ID (2100, 0160) U/U
Note 1. The M/M in the table indicates that the SCU supports the DIMSE service but does not require it to be used on an association. The SCP supports the DIMSE service.
Note 2. U/U in the table indicates that the SCU can support and use the DIMSE service, and the SCP can support the DIMSE service if the SCP does not support the SCU.
The DIMSE service used, which returns a failure status.
Note 3. U/M in the table indicates that the SCU can support and use the DIMSE service, and the SCP supports the DIMSE service.
In the N-SET communication flow of the image box, the N-SET information that the service will receive is shown in Table 4.
Table 4 Basic Gray Image Box N-SET Property Sheet
Property Name Tag (Tag) SCU/SCP
Check the instance UID (Study Instance UID) (0020,000D) U/U
Related Reading Sequence (0008, 1110) U/U
>Related SOP Class UID (0008, 1150) M/M
>Related SOP Instance UID (Referenced SOP Instance UID) (0008, 1155) M/M
Image Box Position (2020,0010) M/M
Basic Grayscale Image Sequence (2020, 0110) M/M
>Samples Per Pixel (0028,0002) M/M
>Photometric Interpretation (0028,0004) M/M
>Rows (0028,0010) M/M
>Columns (0028,0011) M/M
>Pixel Aspect Ratio (0028,0034)
MC/M
Required when the ratio is not 1/1
>Bits Allocated (0028,0100) M/M
>Memory Bit (Bits Stored) (0028,0101) M/M
>High Bit (0028,0102) M/M
>Pixel Representation (0028,0103) M/M
>Pixel Data (7FE0,0010) M/M
Polarity (2020,0020) U/M
Magnification Type (2010,0060) U/U
Table 4 (continued)
Smoothing Type (2010,0080) U/U
Min Density (2010, 0120) U/U
Maximum Density (2010,0130) U/U
Configuration Information (2010, 0150) U/U
Requested Image Size (2020,0030) U/U
Requested Decimate/Crop Behavior (2020,0040) U/U
Related Expression LUT Sequence (Referenced Presentation LUT
Sequence)
(2050,0500) U/U
>Related SOP Class UID (0008,1150) U/U
>Related SOP Instance UID (0008, 1155) U/U
Note 1. The M/M in the table indicates that the SCU supports the DIMSE service but does not require it to be used on an association. The SCP supports the DIMSE service.
Note 2. U/U in the table indicates that the SCU can support and use the DIMSE service, and the SCP can support the DIMSE service; if the SCP does not support the SCU
The DIMSE service used, which returns a failure status.
Note 3. U/M in the table indicates that the SCU can support and use the DIMSE service, and the SCP supports the DIMSE service.
5.4 Virtual printing information matching method
5.4.1 Matching Method 1
The service detected an inspection instance in the N-CREATE process in the film printing session or the N-SET process in the DICOM image box.
UID (Study Instance UID) field for film matching (see Appendix B for an example of an application scenario).
1) Check the instance UID (Study Instance UID) as matching information;
2) Correlate the matching information with the patient information in the business system (such as the PACS system), and finally print the film with the patient.
Files are associated and stored.
5.4.2 Matching method 2
The service does not detect the check instance UID in the N-CREATE process in the film print session and the N-SET process in the DICOM image box.
(Study Instance UID) field for film matching (see Appendix B for an example of an application scenario).
1) Parsing the received film DICOM file, extracting its image data, and extracting the image on the film image by image pattern recognition method
Patient ID number (PatientID) and check flow number (AccessionNumber);
2) The identified patient ID number (PatientID), the inspection serial number (AccessionNumber), and the current time as matching information;
3) Associate the matching information with the patient information in the business system (such as PACS system) and confirm the consistency, and finally hit the patient's film
Printed files are associated and stored.
The process requires that the technician must check the serial number (PatientID) and the accession number (AccessionNumber) when making a film print layout.
Displayed on the film layout layout.
Appendix A
(informative appendix)
Medical digital image virtual printing interaction specification process example
In order to more specifically describe the information specified in this specification during the virtual printing SCU and SCP interaction process, an example illustrates.
The information of a patient's StudyInstanceUID is 1.2.826.0.1.3680043.2.461.555, and the basic communication process is shown in Figure A.1.
○1 Print SCU sends DCIOM Film Session N-CREATE to print SCP
○2 Print SCU sends DICOM Presentation LUT N-CREATE to the print SCP
○3 Print SCU sends DICOM Film Box N-CREATE to print SCP
○4 Print SCU sends DICOM Image Box N-SET to print SCP
○5 Print SCU sends DICOM Film Box N-ACTION to print SCP
○6 Print SCU sends DICOM Film Session N-ACTION to the print SCP
○7 Print SCU sends DICOM Film Box N-DELETE to print SCP
○8 Print SCU sends DICOM Film Session N-DELETE to the print SCP
○9 Print SCU to get the DICOM N-EVENT-REPROT sent by the print SCP
○10 printing SCU release connection
Figure A.1 Medical digital image virtual printing interaction flow chart
The detailed description of each interaction link in Figure A.1 according to this specification is as follows.
○1 means that the print SCU sends a DCIOM Film Session N-CREATE to the print SCP, and the patient field information needs to be.
0020,000D (StudyInstanceUID) UI. 1.2.826.0.1.3680043.2.461.555;
○2 indicates that the print SCU sends a DICOM Presentation LUT N-CREATE to the print SCP;
○3 means that the print SCU sends DICOM Film Box N-CREATE to the print SCP, and the patient field information needs to be.
0020,000D (StudyInstanceUID) UI. 1.2.826.0.1.3680043.2.461.555;
○4 means that the print SCU sends the DICOM Image Box N-SET to the print SCP, and the patient field information needs to be.
0020,000D (StudyInstanceUID) UI. 1.2.826.0.1.3680043.2.461.555;
print
SCU
print
SCP
The sample pseudo code is as follows.
A-ASSOCIATE
N-GET (PRINTER SOP Instance)
N-CREATE (Film Session SOP Instance)// must contain 0020,000D. 1.2.826.0.1.3680043.2.461.555
For (each film of film session)
N-CREATE (Film Box SOP Instance)// need to include 0020,000D. 1.2.826.0.1.3680043.2.461.555
For (each image of film)
N-SET (Image Box SOP Instance that encapsulates a PREFORMATTED IMAGE SOP Instance)
//Need to include 0020,000D. 1.2.826.0.1.3680043.2.461.555
If (no collation)
N-ACTION (PRINT, Film Box SOP Instance)
N-DELETE (Film Box SOP Instance)
If (collation)
N-ACTION (PRINT, Film Session SOP Instance)
N-DELETE (Film Session SOP Instance)
N-EVENT-REPORT (PRINTER SOP Instance)
A- RELEASE
Appendix B
(informative appendix)
Medical digital image interaction specification application scenario example
1. The DICOM client (such as a radiology device) sends the image data to be printed to the virtual print, and the virtual print receives the data and stores the data.
At the same time, through the virtual printing information matching method 1, the index information is established for the received data, and when the patient needs to take the film, the query can be
To print out the current patient film immediately.
2. The DICOM client (such as a radiology device) sends the image data to be printed to the virtual print, and the virtual print receives the data and stores the data.
At the same time, through the virtual printing information matching method 2, the index information is established for the received data, and when the patient needs to take the film, the query can be
To print out the current patient film.
...
