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EPD Co. Ltd.

EPD Co. Ltd. Medical Software Company. The main points for the architecture and performance of PACS. Maryam Zibaeefard, Dr. Afshin Niakan. EPD Co. Ltd. DICOM Mission. Create and maintain international standards for communication of bio-medical diagnostic and health information.

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EPD Co. Ltd.

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  1. EPD Co. Ltd. Medical Software Company The main points for the architecture and performance of PACS Maryam Zibaeefard, Dr. Afshin Niakan

  2. EPD Co. Ltd. DICOM Mission • Create and maintain international standards for communication of bio-medical diagnostic and health information. www.epd.ir

  3. EPD Co. Ltd. DICOM3 features CT Modality • Network-based • TCP/IP over Ethernet • Services for • Storage (transfer) • Query and Retrieval • Printing Store Print Q/R Shared Archive Store Print Workstation www.epd.ir

  4. EPD Co. Ltd. DICOM Negotiation Roles • MR scanner may say: • “I am an MR Image Storage Service Class User (SCU)” • Mini PACS may say: • “I am an MR Image Storage Service Class Provider (SCP)” MR images may be transferred www.epd.ir

  5. EPD Co. Ltd. PACS • Picture Archiving and Communication System • Smallest - “mini-PACS” • Large PACS • Multi-modality PACS www.epd.ir

  6. EPD Co. Ltd. PACS Networking • The system is capable of communicating over a local or wide-area network in conformance with DICOM standard. CT MRI Frame Grabber USs WSs Local area net surgery rooms hospital clinics WAN PACS Gateway www.epd.ir

  7. EPD Co. Ltd. PACS Networking • Web interface for Internet access Web Viewer Web server PACS Viewing Station PACS server At Modality www.epd.ir

  8. EPD Co. Ltd. DICOM Server • The Core part of a PACS server is a software called DICOM Server. • Its purpose is to receive DICOM images from any node in the network such as different modalities, or to list studies on a workstation and directly retrieve the ones of interest. www.epd.ir

  9. EPD Co. Ltd. Authentication & Authorization • User authentication and authorization is necessary for any secure system • No direct solution is anticipated in DICOM standard www.epd.ir

  10. EPD Co. Ltd. Authentication & Authorization • Our Idea is to useCalled AE Title&Calling AE Titlefor user authentication. www.epd.ir

  11. EPD Co. Ltd. Authentication & Authorization • Through Negotiation phase, a client sendsCalled AE Title&Calling AE Titleto the DICOM Server. • Both are 16-byte fields. Calling AE Title User name Called AE Title Password + User Type www.epd.ir

  12. EPD Co. Ltd. Authentication & Authorization • 4 User types are authorized for different operations on workstations: • Viewer • Reporter • Capturer • Administrator www.epd.ir

  13. EPD Co. Ltd. Access control for studies • Access control levels: • Read/Write • Read • Disable • Access control on study level for a user or a group of users www.epd.ir

  14. EPD Co. Ltd. Access control for studies • Different groups of users can be defined with different authorities www.epd.ir

  15. EPD Co. Ltd. Other Motivations • Two-layer Data Storage • On-line • Near-line (on DVD or CD ) On-line server Long-term Archive www.epd.ir

  16. EPD Co. Ltd. Other Motivations • Relational/Hierarchical Search Engine Patient • Hierarchal search is mandatory. • Relational search is optional. Patient name, Birth date… Study Study date, Physician name… Series Modality,… Image Creation date,… www.epd.ir

  17. EPD Co. Ltd. Other Motivations • Extra Firewall on DICOM Server • Blocking or granting some IPs • Traceable history • Capable of restoring previous instances www.epd.ir

  18. EPD Co. Ltd. www.epd.ir

  19. EPD Co. Ltd. Etelaresani Peyvand Dadeha Software Company

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