Signa Horizon Lx DICOM Conformance Statement
Contents
1. 1 5 KE DEFINITIONS nete e eee teet e ERO 1 5 18 SYMBOLS AND ABBREVIATIONS creto ein n E aee eaa kennen 1 5 2 NETWORK CONFORMANCE 5 4 2 1 225 lt ANTRODUG HON 2 1 22 s IMPEBMENTATION MODBDDBL 2 ren or ehe e ri e EX RH eMe ye EE XN SERE ee 2 1 23 SAESSPBECIPICATIONS rere int ERE OE 2 3 24 COMMUNICATION PROFIEBS 2 7 25 EXTENSIONS SPECIALIZATIONS 2 7 26 CONFIGURA TION neret E RR 2 8 27 SUPPORT OF EXTENDED CHARACTER SETS ertet ttti ennt tnt ith ook oan obere aaepe nhanh 2 8 3 MODALITY WORKLIST INFORMATION MODEL DEFINITION eere 3 1 ol INTIRODUCGTION trm rtr FOROS woe sxe ERO ORE ENERO RENE GO ORA edes 3 1 32 MODALITY WORKLIST INFORMATION MODEL 3 1 33 MODALITY WORKLIST INFORMATION MODEL ENTITY RELATIONSHIP MODEL eene 3 1 34 INFORMATION MODEL MODULE 2 nennen tenente tenens tenens ten inei tenete tenente tenent 3 3 35 INFORMATION MODEL KEYS Re RE Pee C SHE E SACHE tereti 3 4 3 6 JPRIVATE DATA DICTIONARY eo RU EPOR AUR HU taliter ts 3 10 APPENDIX2. 5 21 30 entente nnn tentent teinte intrent nennen tents 3 9 TABLE 3 5 9 PATIENT DEMOGRAPHIC MODULE ATTRIBUTES eese teet terns 3 9 TABLE 3 5 10 PATIENT MEDICAL MODULE ATTRIBUTES sees 3 10 TABLE 1 C FIND REQUEST MESSAGE DUMP ccscsssssessssessescsescescssenesecsesecsesesecasssenecaesecasssesecaessssecsesesaesnesessesesseaseseeaeasesesenseaeneenses 1 TABLEB B LSBEGIEIG DATA USAGE 5 5 et rr RA I ar B 1 GE Medical Systems CONNECTPRO FOR SIGNA HORIZON LX DICOM CONFORMANCE STATEMENT REV 1 DIRECTION 2253959 1 INTRODUCTION 11 OVERVIEW This DICOM Conformance Statement is divided into Sections as described below Section 1 Introduction which describes the overall structure intent and references for this Conformance Statement Section 2 Network Conformance Statement which specifies the GE Medical Systems GEMS equipment compliance to the DICOM requirements for the implementation of Networking features Section 3 Modality Worklist Information Model Definition which specifies the GEMS equipment compliance to the DICOM requirements for the implementation of Basic Worklist Management Service features 1 43 OVERALL DICOM CONFORMANCE STATEMENT DOCUMENT STRUCTURE The Documentation Structure of the GEMS
3. C FIND REQUEST 55 1 APPENDIX B USE OF SPECIFIC DICOM DATA B 1 GE Medical Systems REV 1 DIRECTION 2253959 LIST OF TABLES FIGURE 3 3 1 MODALITY WORKLIST INFORMATION MODEL E R DIAGRAM essere ennt nnne tenerent nenne 3 2 TABLE 3 3 1 MAPPING DICOM ENTITIES TO CONNECT PRO tentent inne tens 3 3 TABLE 34 1 MODALITY WORKLIST INFORMATION MODEL MODULES esee entente tnter entretenir tens 3 4 TABLE 3 5 1 COMMON MODULE ATTRIBUTES tete inihi trieste 3 5 TABLE 3 5 2 SCHEDULED PROCEDURE STEP MODULE ten 3 5 TABLE 3 5 3 REQUESTED PROCEDURE MODULE ATTRIBUTES esee ene entretenir sistens 3 7 TABLE 3 5 4 IMAGING SERVICE REQUEST MODULE ATTRIBUTES seen init ten 3 7 TABLE 3 5 5 VISIT IDENTIFICATION MODULE trennen ttt tens 3 8 TABLE 3 5 6 VISIT STATUS MODULE ATTRIBUTES Siiner tne tenn treten EE sete 3 8 TABLE 3 5 7 VISIT RELATIONSHIP MODULE ATTRIBUTES esee 3 8 TABLE 3 5 8 PATIENT IDENTIFICATION MODULE
4. DICOM Upper Layer PS 3 8 is supported using TCP IP 2 4 3 OSI Stack The OSI Communication Stack is not supported by this implementation 2 4 3 TCP IP Stack The TCP IP Communication Stack is inherited from the IRIX operating system 2 4 3 1 API Not applicable to this product 2 4 3 2 Physical Media Support Ethernet 802 3 at 10 Mbit second provides the physical network layer for this product 2 4 4 Point to Point Stack The Point to Point Communication Stack is not supported by this implementation 2 5 EXTENSIONS SPECIALIZATIONS PRIVATIZATIONS 2 5 1 Standard Extended Specialized Private SOPs ConnectPro for Signa Horizon LX does not implement any private transfer SOP classes 2 5 2 Private Transfer Syntaxes ConnectPro for Signa Horizon LX does not implement any private transfer syntaxes 2 7 GE Medical Systems REV 1 2 6 CONFIGURATION DIRECTION 2253959 The ConnectPro feature is configured by GEMS Field Service engineers The DICOM configuration items below are configurable or re configurable by a Field Service Engineer and are not accessible by users through the Signa Horizon LX user interface Note that the Signa Horizon LX software must be restarted after configuration is complete for changes to take affect 2 6 1 AE Title Presentation Address Mapping 2 6 2 Configurable Parameters ConnectPro allows for the configuration of the following parameters which pertain to the remote AE e Remot
5. Scheduled Procedure Step Start Date 0040 0002 Scheduled Procedure Step Start Time 0040 0003 Pregnancy Status Medical Alerts 0010 2000 Contrast Allergies Special Needs Requested Contrast Agent 0032 1070 Patient ID Patient ID Patient Name Patient Name Patient Information Screen Field Signa Horizon LX DICOM Image Data Element Birth Date used to calculate patient Patient s Birth Date age for Age field Weight in Kg Patient s Weight Date only displayed on Schedule screen Time only displayed on Schedule screen Pregnancy Status only displayed on the Info screen Medical Alerts only displayed on the Info screen Contrast Allergies only displayed on the Info screen Special Needs only displayed on the More Info screen Requested Contrast Agent only displayed on the Info screen B 1 Not available GE Medical Systems REV 1 Current Patient Location 0038 0300 Additional Patient History 0010 21B0 DIRECTION 2253959 Current Patient Location only Not available displayed on the Info screen Additional Patient History only Not available displayed on the Info screen The handling of the Patient s Name attribute can be configured to operate one of two ways caret characters are retained in the Patient s Name and included in resulting acq
6. 0 0 CodeMeaning fffe e00d na ItemDelimitationItem for re encoding 0 1 ItemDelimitationItem fffe e0dd SequenceDelimitationItem for re enc 0 i SequenceDelimitationItem 0040 0009 SH no value available 0 0 ScheduledProcedureStepID 0040 0010 SH no value available 0 0 ScheduledStationName 0040 0011 SH value available 0 5 0 ScheduledProcedureStepLocation 0040 0012 LO no value available Qiy 0 PreMedication fffe e00d ItemDelimitationItem for re encoding 0 1 ItemDelimitationItem fffe e0dd na SequenceDelimitationItem for re enc 4 0 T SequenceDelimitationItem 0040 1001 SH no value available 07 0 RequestedProcedureID 0040 1003 SH no value available 0 0 RequestedProcedurePriority 0040 1004 LO no value available Oy 0 PatientTransportArrangements 0040 1005 LO no value available 03 0 RequestedProcedureLocation 0040 1008 LO no value available 0 0 ConfidentialityCode 0040 3001 LO no value available 0 0 ConfidentialityConstraintOnPatientData If the query is for a particular date range the ScheduledProcedureStepStartDate will be filled with a valid date range If either the start or end date are left blank by the user they will simply be blank in the query Below is an example of a date range for August 30 1999 through October 12 1999 0040 0002 DA 19990830 19991012 18 1 ScheduledProcedureStepStartDate Below is example of a date range for August 30 1999 throug
7. This Introduction familiarizes the reader with DICOM terminology and general concepts It should be read prior to reading the individual products GEMS Conformance Statements The GEMS Conformance Statement contained in this document also specifies the Lower Layer communications which it supports e g TCP IP However the Technical Specifications are defined in the DICOM v3 0 Part 8 standard For more information including Network Architecture and basic DICOM concepts please refer to the Introduction For the convenience of software developers there is collector Direction available By ordering the collector the Introduction described above and all of the currently published GEMS Product Conformance Statements will be received The collector Direction is ID Net v3 0 Conformance Statements Direction 2117016 For more information regarding DICOM v3 0 copies of the Standard may be obtained by written request or phone by contacting NEMA Publication 1300 North 17th Street Suite 1847 Rosslyn VA 22209 USA Phone 703 841 3200 Dat Wall Qnema org The reader of this document is concerned with software design and or system integration issues It is assumed that the reader of this document is familiar with the DICOM v3 0 Standards and with the terminology and concepts which are used in those Standards If readers are unfamiliar with DICOM v3 0 terminology they should first refer to the document listed below then read the DICOM
8. 1 4 31 Implicit VR Little Endian 1 2 840 10008 1 2 Information Model FIND 2 3 1 2 1 2 1 SOP Specific DICOM Conformance Statement for the Worklist SOP Class If the remote AE does not support the proposed Presentation Context an appropriate error is logged and the operator is notified This implementation can receive multiple C FIND results over a single association Only one association is opened at a time Each C FIND response received from the remote AE is parsed to verify the length type of the items in the response see section 2 3 1 2 1 2 2 for more information Upon detecting any error in the response data the response is discarded and the next response if any is considered On receipt of any error from the remote AE the Worklist Server will issue a C FIND CANCEL and upon receipt of C FIND RSP or if an applicable timer expires will abort the association Any previously received worklist items are discarded Warnings received from the remote AE are ignored Each CFIND operation supports a configurable Association Timer This timer starts when the association request is sent or received and stops when the association is established The default time out value is 30 seconds Each C FIND operation supports a configurable Session Timer This timer starts when an association is established and stops when the association is ended The default time out value is 3600 seconds If any of the above timers expires th
9. 3 1 4 Visit Entity Description A Visit is the context in which the treatment or management of an arbitrary subset of a Patient s medical conditions occurs A Visit is limited to the description of a Patient s activities at a single facility 3 3 1 5 Patient Entity Description A Patient is a person receiving or registered to receive healthcare services 3 3 2 ConnectPro Mapping of DICOM Entities TABLE 3 3 1 MAPPING OF DICOM ENTITIES TO CONNECTPRO ENTITIES DICOM ConnectPro Entity 3 4 INFORMATION MODEL MODULE TABLE Within an entity of the DICOM v3 0 Modality Worklist Information Model attributes are grouped together into related set of attributes called modules module facilitates the understanding of the semantics concerning the attributes and how the attributes relate to one another A module grouping does not infer any encoding of information into datasets GE Medical Systems REV 1 DIRECTION 2253959 Table 3 4 1 identifies the defined modules within the entities which comprise the DICOM v3 0 Modality Worklist Information Model Modules are identified by Module Name See DICOM v3 0 PS 3 3 and PS 3 4 for a complete definition of the entities modules and attributes TABLE 3 4 1 MODALITY WORKLIST INFORMATION MODEL MODULES 77 3822 _ E 0 mein 99 3 5 INFORMATION MODEL KEYS Please refer to DICOM Standard PS 3 3 Information Object
10. Conformance Statements and their relationship with the DICOM v3 0 Conformance Statements is shown in the Illustration below GE Medical Systems DIRECTION 2253959 REV 1 ID Net v3 0 Introduction to the Integrated DICOM Network v3 0 ID Net v3 0 Conformance Statement Direction 2118780 APPLICATION ENTITY SPECIFICATION SERVICE CLASSES INFORMATION OBJECTS MESSAGE EXCHANGES ETC Product ConnectPro Conformance Conformance Statement Implementation Statement Direction Direction DICOM STANDARD Standard Specification DICOM V 3 0 Part 13 This document specifies the DICOM v3 0 implementation of Basic Worklist Management Service It is entitled ConnectPro DICOM Conformance Statement Addendum for Signa Horizon LX DICOM Conformance Statement for DICOM v3 0 1 2 GE Medical Systems REV 1 1 3 INTENDED AUDIENCE DIRECTION 2253959 Direction 2253959 Please see the appropriatt DICOM conformance statement s for implementation information on other DICOM services provided by the Signa Horizon LX product line This DICOM Conformance Statement documents the DICOM v3 0 Conformance Statement and Technical Specification required to interoperate with the GEMS network interface Introductory information which is applicable b all GEMS Conformance Statements is described in the document Introduction to the Integrated DICOM Network v3 0 ID Net v3 0 Conformance Statement Direction 2118780
11. Item 1 Requested Procedure Imaging Service Request done for 1 3 3 1 ENTITY DESCRIPTIONS Please refer to DICOM Standard PS 3 3 Information Object Definitions and PS 3 4 Service Class Specifications for a description of each of the Entities contained within the Modality Worklist Information Model 3 3 1 1 Scheduled Procedure Step A Scheduled Procedure Step is an arbitrarily defined scheduled unit of service that is specified by the Procedure Plan for a Requested Procedure It specifies one or more Action Items events involving equipment i e imaging modality equipment human resources location and time 1 start time stop time duration 3 2 GE Medical Systems CONNECTPRO FOR SIGNA HORIZON LX DICOM CONFORMANCE STATEMENT REV 1 DIRECTION 2253959 3 3 1 2 Requested Procedure Entity Description A Requested Procedure is an instance of a Procedure of a given Procedure Type An instance of a Requested Procedure includes all of the items of information that are specified by an instance of a Procedure Plan that is selected for the Requested Procedure by the imaging service provider 3 3 1 3 Imaging Service Request Entity Description An Imaging Service Request is a set of one or more Requested Procedures selected from a list of Procedure Types An Imaging Service Request is submitted by one authorized imaging service requester to one authorized imaging service provider in the context of one Service Episode 3
12. Today Days Before Today Days After Today and Days These selections and their affects on worklist query parameters are given below Today Scheduled Procedure Step Start Date 0040 0002 set to YYYYMMDD where this date is the current date Days Before Today and Days After Today Scheduled Procedure Step Start Date 0040 0002 set to YYYYMMDD YYYYMMDD where this date range represents the specified number of days before today and or after today Note that number of days both before and after can be specified in the same query and that each always includes today 2 4 GE Medical Systems CONNECTPRO FOR SIGNA HORIZON LX DICOM CONFORMANCE STATEMENT REV 1 DIRECTION 2253959 AII Days Scheduled Procedure Step Start Date 0040 0002 zero length universal matching Note that selecting Scanners and Days with no patient last name specified results in an unconstrained worklist query The response to an unconstrained worklist query can differ between different modality worklist SCP implementations Consult the modality worklist SCP manufacturer if difficulties occur when attempting unconstrained queries 2 3 1 2 1 2 Proposed Presentation Context Table The following table shows the proposed presentation contexts for the Worklist Server AE after real world activity Worklist Query has been initiated Presentation Context Table Proposed Abstract Syntax Transfer Syntax Extended Modality Worklist 1 2 840 10008 5
13. once it has crossed the interface between the GE imaging equipment and the device and the stability of the image data for the intended applications Such a validation is required before any clinical use diagnosis and or treatment is performed It applies when images acquired on GE imaging equipnent are processed displayed on a non GE device as well as when images acquired on non GE equipment is processed displayed on a GE console or workstation e Future Evolution GE understands that the DICOM Standard will evolve to meet the user s growing requirements GE is actively involved in the development of the DICOM v3 0 Standard DICOM v3 0 will incorporate new features and technologies and GE may follow the evolution of the Standard The GEMS protocol is based on DICOM v3 0 as specified in each ID Net DICOM Conformance Statement Evolution of the Standard may require changes to devices which have implemented DICOM 1 4 GE Medical Systems REV 1 DIRECTION 2253959 v3 0 In addition GE reserves the right to discontinue or make changes to the support of communications features on its products reflected on by these ID Net DICOM Conformance Statements The user should ensure that any non GE provider which connects with GE devices also plans for the future evolution of the DICOM Standard Failure to do so will likely result in the loss of function and or connectivity as the DICOM Standard changes and GE Products are enhanced to suppo
14. v3 0 Standard itself prior to reading this DICOM Conformance Statement document Introduction to the Integrated DICOM Network v3 0 ID Net v3 0 Conformance Statement Direction 2118780 GE Medical Systems REV 1 DIRECTION 2253959 14 SCOPE AND FIELD OF APPLICATION 1 5 IMPORTANT REMARKS It is the intent of this document in conjunction with the ntroduction to the Integrated DICOM Network v3 0 ID Net v3 0 Conformance Statement Direction 2118780 to provide an unambiguous specification for GEMS implementations This specification called a Conformance Statement includes a DICOM v3 0 Conformance Statement and is necessary to ensure proper processing and interpretation of GEMS medical data exchanged using DICOM v3 0 The GEMS Conformance Statements are available to the public The reader of this DICOM Conformance Statement should be aware that different GEMS devices are capable of using different Information Object Definitions For example a GEMS CT Scanner may send images using the CT Information Object MR Information Object Secondary Capture Object etc Included in this DICOM Conformance Statement are the Module Definitions which define all data elements used by this GEMS implementation If the user encounters unspecified private data elements while parsing a GEMS Data Set the user is well advised to ignore those data elements per the DICOM v3 0 standard Unspecified private data element information is subject to change wi
15. Definitions and PS 3 4 Service Class Specifications for a description of each of the Entities contained within the Modality Worklist Information Model The following Module descriptions contain the attributes which are present a C FIND request message sent by the Worklist Server AE to a remote AE It should be noted that they are the same as those defined in the DICOM v3 0 Standard PS 3 4 Service Class Specifications and include Name Tag group and element numbers Expected Matching Key Type R required O optional Expected Return Key Type non zero value required IC conditionally of type 1 2 required to be present possibly with zero length value 3 optional Mapped into The Image whether this data is mapped into subsequently acquired images e Notes clarification of this implementation s use treatment of this attribute 3 4 GE Medical Systems REV 1 DIRECTION 2253959 AII data elements in the following Module descriptions are requested by the Worklist Server AE Values of data elements that are not mapped into images and are not otherwise dealt with displayed on the user interface etc are not used and are thus discarded upon receipt See Table for further information Data elements for which values can be sent for matching purposes are described as such Data elements for which values are not sent are sent with zero length and universal matching will apply This is the default cas
16. EMS product Note that the format of this section strictly follows the format defined in DICOM Standard PS 3 2 Conformance Please refer to that part of the standard while reading this section The ConnectPro option for Signa Horizon LX allows a user to query for and display DICOM modality worklist information from a remote hospital or radiology department information system computer For example a user may wish to query for all procedures scheduled to be performed on the scanner In this situation ConnectPro is providing the DICOM C FIND service as a service class user SCU 2 2 IMPLEMENTATION MODEL DICOM functionality provided by the ConnectPro feature is logically provided by the Worklist Server DICOM AE The Worklist Server DICOM AE is commanded to perform DICOM modality worklist query services through the use of the scanner s user interface GE Medical Systems REV 1 DIRECTION 2253959 2 2 1 Application Data Flow Diagram The Basic and Specific Application models for this device are shown in the following illustration Association Initiation ConnectPro Worklist Remote Worklist SCP Modality Worklist SCU Server AE Association Acceptance DICOM Standard Interface 2 2 2 Functional Definition of AE s The ConnectPro Worklist Server AE is implemented as an application process on the scanner host computer It runs as a daemon serving requests from the user interface to obtain modality workl
17. GE Medical Systems Technical Publications Direction 2253959 Revision 1 ConnectPro DICOM Conformance Statement Addendum for Signa Horizon Lx DICOM Conformance Statement for DICOM v3 0 Supported Products Signa Horizon Lx 8 3 8 3 5 Signa Pulsar 8 4 Signa OpenSpeed HFO Signa Ovation MFO Signa 3T sm Service Manual Do not duplicate Copyright 1999 2000 2001 by General Electric Company Revisions Revision Date Comments 0 0 12 1 1999 Initial Revision 1 0 9 14 2001 Updated supported products list on cover page GE Medical Systems GE Medical Systems Americas Fax 262 544 3384 P O Box414 Miwaukee Wisconsin 53201 U S A Intemet hijp www ge comfmedical GE Medical Systems Europe Fax 33 1 30 70 94 35 Paris France GE Medical Systems Asia Tokyo Japan Fax 81 3 3223 8560 Singapore Fax 65 291 7006 GE Medical Systems REV 1 DIRECTION 2253959 TABLE OF CONTENTS T INTRODUCTION fies ere Ret e e eee t RE des ed MIN 1 1 1 OVERVIEW iouis RE RRUE 1 1 12 OVERALL DICOM CONFORMANCE STATEMENT DOCUMENT STRUCTURE 1 1 13 INTENBED AUDIENCE cett entree teer epe tete rtr ree 1 3 14 SCOPE AND FIELD OF APPLICATION eee nte tenente 1 4 I 5 IMPORTANT REMA RES teet tite tle d EP aet d e etae b e enims 1 4 H6 REFERENCES dose e RD PR ORE a E POOR S
18. all association establishment requests The maximum length PDU for an association initiated by the DICOM Worklist Server is Maximum Length PDU 50 Kbytes The SOP Class Extended Negotiation is not supported The maximum number of Presentation Context Items that will be proposed is 1 The user information Items sent by this product are e Maximum PDU Length e Implementation UID 2 3 1 1 2 Number of Associations The Worklist Server AE SCU will initiate only one DICOM association at a time to perform a modality worklist query of a single remote AE 2 3 1 1 3 Asynchronous Nature Asynchronous mode is not supported All operations are performed synchronously 2 3 1 1 4 Implementation Identifying Information The Implementation UID for this DICOM v3 0 Implementation is 2 3 GE Medical Systems CONNECTPRO FOR SIGNA HORIZON LX DICOM CONFORMANCE STATEMENT REV 1 DIRECTION 2253959 ConnectPro for Signa Horizon LX Implementation UID 1 2 840 113619 6 52 2 3 1 2 Association Initiation Policy The Worklist Server AE initiates a new association due to an update operation being initiated from the Signa Horizon LX user interface The association is closed upon receipt of the final query response from the remote AE The association can also be closed by the Worklist Server AE upon receipt of error status from the remote AE or upon expiration of association or session timers see section 2 3 1 2 1 2 1 for more information 2 3 1 2 1 Real W
19. ble 0 0 CodeMeaning fffe e00d na ItemDelimitationItem for re encoding 0 1 ItemDelimitationItem fffe e0dd na SequenceDelimitationItem for re enc 0 1 SequenceDelimitationItem 0038 0000 UL 32 4 1 VisitGroupLength 0038 0010 LO value available 0 0 AdmissionID 0038 0050 LO no value available 07 0 SpecialNeeds 0038 0300 LO no value available 0 0 CurrentPatientLocation 0038 0500 LO no value available 0 PatientState 0040 0000 UL 192 4 1 ModalityWorklistGroupLength 00040 0100 SQ Sequence with explicit Length 4 1 4 135 1 ScheduledProcedureStepSequence fffe e000 Item with explicit Length 4 12 128 1 Item 0008 0060 CS no value available 0 0 Modality 0032111070790 value available 0 0 RequestedContrastAgent 0040 0001 AE no value available 0 0 ScheduledStationAETitle 0040 0002 DA value available 02 0 ScheduledProcedureStepStartDate 0040 0003 value available 0 0 ScheduledProcedureStepStartTime 0040 0006 PN no value available 0 ScheduledPerformingPhysiciansName 0040 0007 LO no value available 0 0 ScheduledProcedureStepDescription 0040 0008 SQ Seq with explicit Length 4 1 324 ScheduledActionItemCodeSequence fffe e000 na Item with explicit Length 3 24 1 Item 0008 0100 SH no value available 0 0 CodeValue 0008 0102 SH no value available 9s 0 CodingSchemeDesignator 0008 0104 LO no value available
20. e HIS RIS IP address IP address used to contact the remote AE Remote AE HIS RIS IP port IP port used to contact the remote AE e Remote AE HIS RIS AE title AE title of the remote AE These parameters define where worklist queries will be directed Configuration of these parameters is performed by GEMS Field Service engineers using the ConnectPro installation facilities The following parameters are configurable for the DICOM Worklist Server AE Local Worklist Server AE Title automatically set to host name of scanner e Local IP address Local IP netmask Local IP gateway The following parameters are configurable by changing their values in the configuration file usr g hisris WLdcm cfg Note that these parameters typically need not be changed Furthermore no support is provided for retaining changed settings the values will require changing again after a system software upgrade Implementation UID size Association time out period e Session time out period C HND time out period 2 SUPPORT OF EXTENDED CHARACTER SETS ConnectPro will support only the ISO IR 100 ISO 8859 1 1987 Latin alphabet N 1 supplementary set as extended character sets GE Medical Systems REV 1 DIRECTION 2253959 3 MODALITY WORKLIST INFORMATION MODEL DEFINITION 3 1 INTRODUCTION This section specifies the use of the DICOM Modality Worklist Information Model used to organize data and against whic
21. e Key Type Key Type Image 3 5 5 3 Visit Relationship TABLE 3 5 7 VISIT RELATIONSHIP MODULE ATTRIBUTES Attribute Name Tag Expected Expected Mapped Matching Returned into the Image 3 8 GE Medical Systems REV 1 DIRECTION 2253959 3 5 5 4 Visit Admission No data elements are requested from the Visit Admission Module 3 5 6 Patient Entity 3 5 6 1 Patient Relationship No data elements are requested from the Patient Relationship Module 3 5 6 2 Patient Identification TABLE 3 5 8 PATIENT IDENTIFICATION MODULE ATTRIBUTES Attribute Name Tag Expected Expected Mapped Matching Returned into the Image Patient s Name 0010 0010 1 Yes Matching is supported as follows either no Patient s Name is supplied universal matching or the patient s last family name specified on the scanner s Preferences screen is supplied for matching this is user selectable meum x OOS 3 5 6 3 Patient Demographic TABLE 3 5 9 PATIENT DEMOGRAPHIC MODULE ATTRIBUTES Attribute Name Tag Expected Expected Mapped Matching Returned into the Image Patients Sex wwo 2 ve Patient s Weight 0010 1030 Limited to maximum value of 999 kg GE Medical Systems REV 1 DIRECTION 2253959 Confidentiality constraint on 0040 3001 patient data pepe he Passa o s SSS Patient s Address 0010 1040 Patient s Telephone N
22. e association is aborted A ABORT and the operation in progress is considered to be failed Any previously received worklist items are discarded errors and failures detected by the Worklist Server AE are logged to the log file usr g hisris wlsErrors 2 5 GE Medical Systems CONNECTPRO FOR SIGNA HORIZON LX DICOM CONFORMANCE STATEMENT REV 1 DIRECTION 2253959 2 3 1 2 1 2 2 Record Acceptance Policy The ConnectPro implementation adheres to strict value checking of incoming query responses from the remote AE Each response received is examined to verify that all Type attributes are present with non zero length that all Type 2 attributes are present possibly with zero length and that the data for all attributes is consistent with respect to the attributes value representation VR Any inconsistencies in the response data with respect to the categories described above are considered errors Upon detecting any such errors in the response data the Worklist Server AE will immediately discard the response not including it in any resulting displayed worklist items Any previously received valid worklist items are retained Note that the absence of requested Type 3 attributes is not considered an error Attributes considered Type 1 by the Worklist Server AE include e 0010 0010 Patient s Name e 0010 0020 Patient ID 0020 000D Study Instance UID e 0040 0001 Scheduled Station AE Title 0040 0002 Sched
23. e if no other description to the contrary is provided 3 5 1 Supported Matching The following are the types of matching that can be request by the implementation Single Value matching Universal Matching Range of date time 3 5 2 Scheduled Procedure Step Entity 3 5 2 1 SOP Common Module TABLE 3 5 1 SOP CoMMON MODULE ATTRIBUTES Expected Expected Matching Returned Key Type Key Type Specific Character Set 3 5 2 2 Scheduled Procedure Step Module TABLE 3 5 2 S CHEDULED PROCEDURE S TEP MODULE ATTRIBUTES Expected Expected Matching Returned Key Type Key Type Mapped into the Image Matching for this item is supported only for the character set ISO IR 100 This value is always sent and therefore must be returned Mapped into the Image Scheduled Procedure Step 0040 0100 1 Sequence 3 5 GE Medical Systems REV 1 DIRECTION 2253959 gt Scheduled Station A E Title 0040 0001 1 Matching is supported as follows either no AE title is supplied universal matching or the scanner s Worklist Server AE title is supplied for matching this is user selectable gt Scheduled Procedure Step 0040 0002 1 No Matching is supported as one of the Start Date following this is user selectable all days today only today and a number of days before today today and a number of days after today today and a number of days before today and a number of days a
24. fter today The number of days before after is specified by the user Returned values must be exactly 8 numeric characters in Y YY YMMDD format gt Scheduled Procedure Step 0040 0003 1 Start Time gt Modality 0008 0060 Matching is supported as follows either no Modality is supplied universal matching or the scanner s Modality is supplied for matching this is user selectable gt Scheduled Performing 0040 0006 Physician s Name gt Scheduled Procedure Step 0040 0007 eee T Scheduled Station Name Station Name 0040 0010 oi gt Scheduled Procedure Step 0040 0011 Location gt Scheduled Action Item Code 0040 0008 Sequence gt gt Code Value 0008 0100 For MR systems when a procedure step is selected from the schedule the returned value is used to automatically select and download a protocol for MR systems if the appropriate mapping has been established Displayed on More Info screen omen i Ww Ecwwe emaon o x Ww SS Scheduled Procedure Step 1D 004000 1 Ye Displayed on Info screen Requested Contrast Agent 002070 2c Displayed on Info screen 3 6 GE Medical Systems REV 1 3 5 3 Requested Procedure Entity 3 5 3 1 Requested Procedure Module TABLE 3 5 3 REQUESTED PROCEDURE MODULE ATTRIBUTES At
25. h a Modality Worklist Query will be performed The contents of this section are 32 Information Model Description 33 Information Model Entity Relationship Model 34 Information Model Module Table 3 5 Information Model Keys 3 2 MODALITY WORKLIST INFORMATION MODEL DESCRIPTION In order to serve as a Service Class Provider SCP of the Modality Worklist Service Class a DICOM Application Entity AE possesses information about the attributes of a number of managed worklist items These items are organized into Modality Worklist Information Modules In this Service Class the Information Model plays a role similar to an Information Object Definition of most other DICOM Service Classes 33 MODALITY WORKLIST INFORMATION MODEL ENTITY RELATIONSHIP MODEL The Entity Relationship diagram for the Modality Worklist Information Model schema is shown in Figure 3 3 1 It represents the information that composes a Worklist Item In this figure the following diagrammatic convention is established to represent the information organization e each entity is represented by a rectangular box e each relationship is represented by a diamond shaped box the fact that a relationship exists between two entities is depicted by lines connecting the corresponding entity boxes to the relationship boxes 3 1 GE Medical Systems REV 1 DIRECTION 2253959 FIGURE 3 3 1 MODALITY WORKLIST INFORMATION MODEL E R DIAGRAM Scheduled Worklist Procedure Step
26. h the end of time 0040 0002 DA 19990830 18 1 ScheduledProcedureStepStartDate A 2 GE Medical Systems CONNECTPRO FOR SIGNA HORIZON LX DICOM CONFORMANCE STATEMENT REV 1 DIRECTION 2253959 Below is an example of a date range from the beginning of time through August 30 1999 0040 0002 DA 19990830 18 1 ScheduledProcedureStepStartDate If the query is for records for this modality the Modality will be filled in as follows 0008 0060 CS MR 2 1 Modality If the query is for records for this Scanner the Modality will be filled in with MR as above and the Scheduled Station AE Title will be filled in with the value configured for this system For example this station was configured as MRRooml 0040 0001 AE MRRoom1 8 1 ScheduledStationAETitle GE Medical Systems CONNECTPRO FOR SIGNA HORIZON LX DICOM CONFORMANCE STATEMENT REV 1 DIRECTION 2253959 APPENDIX B USE or SPECIFIC DICOM DATA This appendix details the use of the DICOM data returned by remote AEs during worklist queries The Signa Horizon LX user interface fields which display the data along with the data s mapping into resulting acquired and transferred DICOM images is presented in Table TABLE B 1 SPECIFIC DATA USAGE DICOM Worklist Data Element Accession Number 2 Patient s Name Patient s Birth Date Patient s Sex 0010 0040 Patient s Weight Referring Physician s Name 0008 0090 Requested Procedure Description 0032 1060
27. ists query remote AE s and return the results to the user interface The ConnectPro Worklist Server AE initiates the following functions e Query Initiates DICOM association in order to query a remote AE If the remote AE accepts a presentation context applicable to modality worklist the Worklist Server AE will issue a modality worklist query request via the C FIND service 2 2 3 Sequencing of Real World Activities 1 user or the system initiates a modality worklist query as a modality worklist SCU to the modality worklist SCP with a given set of query parameters The modality worklist SCP returns responses which match the query parameters Items from the returned worklist responses are presented to the user A subset of the returned worklist responses are included in acquired DICOM images related to the responses GE Medical Systems CONNECTPRO FOR SIGNA HORIZON LX DICOM CONFORMANCE STATEMENT REV 1 DIRECTION 2253959 2 3 AESPECIFICATIONS 2 31 Worklist Server AE Specification This Application Entity provides Standard Conformance to the following DICOM v3 0 SOP Classes as an SCU SOP Class Name SOP Class UID Modality Worklist Information Model FIND 1 2 840 10008 5 1 4 31 2 3 1 1 Association Establishment Policies 2 3 1 11 General The DICOM Application Context Name ACN which is always proposed is 1 2 840 10008 3 1 1 1 Application Context Name The Maximum Length PDU negotiation is included in
28. orld Activity Worklist Query 2 3 1 2 1 1 Associated Real World Activity The operator of the system initiates a query for a modality worklist by either opening the Schedule screen or by opening the Schedule screen and pressing the Update button The choice of which of these two behaviors occurs is user configurable The Worklist Server will then initiate an association with the remote AE in order to query for the worklist A user can configure a number of parameters which directly control the worklist query request The user can request worklist items that are intended for the scanner the user is working at all items that apply to the modality of the scanner the user is working at or all worklist items available These selections and their affects on worklist query parameters are given below This Scanner Modality 0008 0060 set to MR Scheduled Station AE Title 0040 0001 set to local AE title This Modality Modality 0008 0060 set to MR Scheduled Station AE Title 0040 0001 zero length universal matching Scanners Modality 0008 0060 zero length universal matching Scheduled Station AE Title 0040 0001 zero length universal matching Note that the All Scanners query above can return worklist items for modalities other than MR if such items exist The scheduled dates of procedures of interest can be specified for query by selecting a specific date range The date ranges available are
29. ot specified in this particular dump meaning all modalities Note that the user through the use of the Signa Horizon LX user interface can submit a worklist query that will cause non zero values to be sent for these attributes TABLE A 1 C FIND REQUEST MESSAGE DUMP 0008 0000 UL 108 4 1 IdentifyingGroupLength 0008 0005 CS ISO_IR 100 12 1 SpecificCharacterSet 0008 0050 SH no value available 0 0 AccessionNumber 0008 0080 LO value available 0 0 InstitutionName 0008 0090 PN no value available 0 0 ReferringPhysicianName 0008 1110 SQ Sequence with explicit Length 4 1 4 24 1 ReferencedStudySequence fffe e000 Item with explicit Length 4 2 16 1 Item 0008 1150 UI value available 0 ReferencedSOPClassUID 0008 1155 UI no value available 0 ReferencedSOPInstanceUID fffe e00d na ItemDelimitationItem for re encoding 0 1 ItemDelimitationItem fffe e0dd na SequenceDelimitationItem for re enc 4 0 1 SequenceDelimitationItem 0008 1120 SQ Sequence with explicit Length 4 1 24 1 ReferencedPatientSequence fffe e000 na Item with explicit Length 4 2 d 1 6 1 Item 0008 1150 UI value available Qy ReferencedSOPClassUID 0008 1155 UI no value available 0 ReferencedSOPInstanceUID fffe e00d na ItemDelimitationItem for re encoding 0 1 ItemDelimitationItem fffe e0dd na SequenceDelimitationItem for re enc 4 0 1 SequenceDelimi
30. rt these changes e Interaction It is the sole responsibility of the non GE provider to ensure that communication with the interfaced equipment does not cause degradation of GE imaging equipment performance and or function 1 6 REFERENCES A list of references which is applicable to all GEMS Conformance Statements is included in the Introduction to the Integrated DICOM Network v3 0 ID Net v3 0 Conformance Statement Direction 2118760 The information object implementation refers to DICOM PS 3 3 Information Object Definition 17 DEFINITIONS A set of definitions which is applicable to all GEMS Conformance Statements is included in the Introduction to the Integrated DICOM Network v3 0 ID Net v3 0 Conformance Statement Direction 2118780 1 8 SYMBOLS AND ABBREVIA TIONS A list of symbols and abbreviations which is applicable to all GEMS Conformance Statements is included in the Introduction to the Integrated DICOM Network v3 0 ID Net v3 0 Conformance Statement Direction 2118780 GE Medical Systems CONNECTPRO FOR SIGNA HORIZON LX DICOM CONFORMANCE STATEMENT REV 1 DIRECTION 2253959 This Page Intentionally Left Blank GE Medical Systems CONNECTPRO FOR SIGNA HORIZON LX DICOM CONFORMANCE STATEMENT REV 1 DIRECTION 2253959 2 NETWORK CONFORMANCE STATEMENT 21 INTRODUCTION This section of the DICOM Conformance Statement specifies the compliance to DICOM conformance requirements for the relevant Networking features on this G
31. tationItem 0010 0000 UL 96 4 1 PatientGroupLength 0010 0010 value available Oy PatientName 0010 0020 LO no value available 0 0 PatientID 0010 0030 DA value available 0 0 PatientBirthDate 00100 0040 CS no value available 0 0 PatientSex 00010 1020 DS no value available 0 0 PatientSize 0010 1030 DS no value available 0 PatientWeight 0010 1040 LO no value available 0 0 PatientAddress 00010 2000 LO no value available 0 0 MedicalAlerts 0010 2110 LO no value available 0 0 ContrastAllergies 0010 2154 SH no value available 0 0 PatientTelephoneNumber 0010 21b0 LT no value available 0 1 AdditionalPatientHistory 0010 21 0 US value available 0 0 PregnancyStatus 0020 0000 UL 8 4 1 ImageGroupLength 0020 000 UI value available 05 0 StudyInstanceUID 0032 0000 UL 64 4 1 StudyGroupLength 0032 1032 value available 0 0 RequestingPhysician 0032 1033 LO no value available OF 0 RequestingService ae GE Medical Systems REV 1 DIRECTION 2253959 0032 1060 LO no value available 0 0 RequestedProcedureDescription 0032 1064 50 Sequence with explicit Length 4 1 4 325 1 RequestedProcedureCodeSequence fffe e000 Item with explicit Length 4 3 24 1 Item 0008 0100 SH no value available 0 0 CodeValue 0008 0102 SH no value available 0 0 CodingSchemeDesignator 0008 0104 LO value availa
32. thout notice If however the device is acting as a full fidelity storage device it should retain and re transmit all of the private data elements which are sent by GEMS devices The use of these DICOM Conformance Statements in conjunction with the DICOM v3 0 Standards is intended to facilitate communication with GE imaging equipment However by itself it is not sufficient to ensure that inter operation will be successful The user or user s agent needs to proceed with caution and address at least four issues e Integration The integration of any device into an overall system of interconnected devices goes beyond the scope of standards DICOM v3 0 and of this introduction and associated DICOM Conformance Statements when interoperability with non GE equipment is desired The responsibility to analyze the applications requirements and to design a solution that integrates GE imaging equipment with non GE systems is the user s responsibility and should not be underestimated The user is strongly advised to ensure that such an integration analysis is correctly performed e Validation Testing the complete range of possible interactions between any GE device and non GE devices before the connection is declared operational should not be overlooked Therefore the user should ensure that any non GE provider accepts full responsibility for all validation required for their connection with GE devices This includes the accuracy of the image data
33. tribute Name Tag Expected Expected Matching Returned DIRECTION 2253959 Mapped into the Image Requested Procedure 0032 1060 Truncated to 22 characters Description Requested Procedure Code 0032 1064 Sequence sCode Value 08000 IC Sindy sane o 1 Referenced Siu Sequence o 2 ams o 1 Procedure Prony o 2 Paien Transpor o 2 wwe o 3 o 3 3 5 4 Imaging Service Request Entity 3 5 4 1 Imaging Service Request Module TABLE 3 5 4 IMAGING S ERVICE REQUEST MODULE ATTRIBUTES Attribute Name Tag Expected Expected Matching Returned Key Type Key Type Requesting Physician 0032 1032 P x No 22023 _ O O __ Mapped into the 3 7 GE Medical Systems REV 1 DIRECTION 2253959 Referring Physician s Name 0008 0090 EZTEN Truncated to 32 characters 3 5 5 Visit Entity 3 5 5 1 Visit Identification TABLE 3 5 5 VISIT IDENTIFICATION MODULE ATTRIBUTES Attribute Name Tag Expected Expected Mapped Matching Returned into the Key Type Key Type o 3 3 5 5 2 Visit Status TABLE 3 5 6 VISIT S TATUS MODULE ATTRIBUTES Attribute Name Tag Expected Expected Mapped Matching Returned into th
34. uired images or the caret characters are removed from the Patient s Name attribute and will not be included in resulting acquired images Note that the display of a specific data item on the Info screen is contingent on the item being enabled for display Depending on the preferences of each specific site data can either be displayed or not A GE field service engineer can assist in setting these site preferences GE Medical Systems CONNECTPRO FOR SIGNA HORIZON LX DICOM CONFORMANCE STATEMENT REV 1 DIRECTION 2253959 This Page Intentionally Left Blank B 3 GE Medical Systems GE Medical Sysierns Americas Fax 262 544 3384 Box 414 Milwaukee Wisconsin 53201 U S A Intemet hip Wwww ge comfmedical GE Medical Systems Europe Fax 33 1 30 70 94 35 Paris France GE Medical Systems Asia Tokyo Japan Fax 81 3 3223 8560 Singapore Fax 65 291 7006
35. uled Procedure Step Start Date e 0040 0003 Scheduled Procedure Step Start Time 0040 0009 Scheduled Procedure Step ID e 0040 1001 Requested Procedure ID 0008 0060 Modality Fields considered Type 2 by the Worklist Server include e 0008 0050 Accession Number 0008 0090 Referring Physician s Name e 0010 0030 Patient s Birth Date e 0010 0040 Patient s Sex 0010 1030 Patient s Weight e 0010 2000 Medical Alerts 0010 2110 Contrast Allergies 0010 21CO Pregnancy Status e 0032 1032 Requesting Physician e 0038 0010 Admission ID e 0038 0050 Special Needs e 0038 0300 Current Patient Location e 0038 0500 Patient State e 0040 0006 Scheduled Performing Physician s Name e 0040 0010 Scheduled Station Name 0040 001 1 Scheduled Procedure Step Location 0040 1003 Requested Procedure Priority 0040 1004 Patient Transport Arrangements e 0040 3001 Confidentiality Constraint on Patient Data Description 0008 1110 Referenced Study Sequence e 0008 1120 Referenced Patient Sequence 2 6 GE Medical Systems CONNECTPRO FOR SIGNA HORIZON LX DICOM CONFORMANCE STATEMENT REV 1 DIRECTION 2253959 2 3 1 3 Association Acceptance Policy The Worklist Server AE does not respond to attempts by a remote AE to open an association 2 4 COMMUNICATION PROFILES 2 4 1 Supported Communication Stacks PS 3 8 PS 3 9
36. umbers 0010 2154 3 5 6 4 Patient Medical TABLE 3 5 10 PATIENT MEDICAL MODULE ATTRIBUTES Attribute Name Tag Expected Expected Mapped Matching Returned into the Image o 2 Pregnancy Status 0010 21 0 LO UT x T oe d Displayed on More Info screen Medical Alerts 0010 2000 NND Displayed on Info screen Contrast Allergies 0010 2110 E Displayed Info screen Special Needs 0038 0050 Displayed on More Info screen Additional Patient History 0010 21 0 Displayed Info screen 3 6 PRIVATE DATA DICTIONARY The ConnectPro implementation does not define any private attributes within the Modality Worklist Information Model Private attributes received from a remote AE are discarded 3 10 GE Medical Systems REV 1 APPENDIX A C FIND REQUEST MESSAGE DIRECTION 2253959 This section provides a detailed description of the C FIND request message data that is provided to the remote AE during a worklist query operation The dump in Table A 1 below lists in exact message order the fields transferred as part of the C FIND request message for a typical query In this particular dump no values are specified for the Scheduled Procedure Step Start and End Dates the attributes are sent with zero length In DICOM this is interpreted as meaning all dates i e universal matching The Modality is also n
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