DEXcom - The DEXIS DICOM Networking Component
Preliminary Description Dec. 17, 2004
Copyright © 2004 Electronic Imaging Est., Balzers
This manual and the software described herein are protected by copyright
laws and international copyright treaties, as well as other intellectual property laws and treaties.
Electronic Imaging Est. reserves the right at any time to revise this manual
and the software described herein, and assumes no obligation to notify any
person or entity of such revisions.
Many of the designations used by manufacturers and sellers to distinguish
their products are claimed as trademarks. Where those designations appear in this manual, and Electronic Imaging was aware of a trademark
claim, such designations have been printed in capital or initial capital letters.
The DEXcom software includes the following parts copyrighted by other parties:
• The components reading and writing JPEG files are based on the work of
the Independent JPEG Group.
• The DICOM Networking Interface contains software from the DCMTK library. That software is copyright Kuratorium OFFIS e.V.
• The software includes software libraries copyrighted by Microsoft, Inc.
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Chapter 1 Introduction
Chapter 1
Introduction
1.1 What is DEXcom?
DEXcom is the DICOM networking component of the DEXIS Software. It is an
add-on to the DEXIS Software implementing communication with DICOM
servers. The DEXcom component is therefore only needed by large enterprises running a DICOM conformant hospital management system. The
DEXIS Software connecting to such a system and thus including the DEXcom component is called DEXIS Enterprise Edition.
The DEXcom component (or Application Entity in DICOM terms) implements
the following DICOM functionality:
• DEXcom can verify communication with a DICOM server; it is thus a Service Class User (SCU) of the Verification Service Class.
• DEXcom can store images on a DICOM server; it is thus a Service Class
User (SCU) of the Storage Service Class.
• DEXcom can query DICOM servers for patients, studies, series, and images; it is thus a Service Class User (SCU) of the Query/Retrieve Service
Class.
• DEXcom can receive images from a DICOM server and store them in its local database; during this operation it serves thus as a Service Class Provider (SCP) of the Storage Service Class.
• DEXcom can query Modality Worklist Servers for entries; it is thus a Service Class User (SCU) of the Modality Worklist Service Class.
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Chapter 1 Introduction
Acquire new
images
Select
images for
storage
Enter query
Process
response
Ask for
retrieval
Extract, store
images
Enter query
DEXcom
AE
Local
C-Store
C-Find
C-Move
C-Store
C-Find
Remote
Storage
SCP
Query/
Retrieve
SCP
Worklist
SCP
Process
response
The DICOM Removable Media functionality is realized in the DEXIS Import/
Export Application Entity, which is included in the standard DEXIS software
iand is therefore independent of the DEXcom component. The DEXIS Import/Export Application Entity provides the following DICOM functionality:
• DEXIS can export DICOM File Sets to removable media; it thus serves as
DICOM File Set Creator (FSC). If the images are not internally stored in DICOM file format, they are converted when exported.
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Chapter 1 Introduction
• DEXIS can browse through DICOM File Sets on removable media and can
import images from these file sets; it thus serves as DICOM File Set Reader (FSR).
User
requests
export to
CD-R
FSC
FSR
CD-R
User
requests
import
from CD-R
Extract,
store
images
DEXIS
Import/Export
AE
Note: The DICOM Import/Export functionality is described in the DEXIS User
Manual. This manual describes the DICOM Networking functionality only.
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Chapter 2 DEXcom Installation
Chapter 2
DEXcom Installation
2.1 Software Installation
2.1.1 Running the Installation Program
To begin the installation, insert the DEXIS Enterprise Edition installation CD
into your CD-ROM drive. The CD is equipped with an “Autorun” feature and
will start on its own. Should the “Autorun” feature not work with the CDROM drive in your computer, you can launch the installation menu manually: Double-click on the “My Computer” icon on your desktop, then open the
CD-ROM drive by double-clicking on its icon, then double-click on the “DEXmenu” icon.
Select your language
If your CD offers the choice, choose English-U.S., as international versions
give international tooth numbers that differ from those used in the U.S.. The
Software CD for distribution in the U.S. does not offer this choice and automatically advances to the next step.
Select software
Click on Install DEXIS Enterprise Edition to install all the major components
of the DEXIS program. The also offered VA / VistA Version is a restricted DI-
COM networking client adapted specially to the VistA software of the U.S.
Veterans Adminstration.
Choose destination location
During the installation process you will be asked for the folder into which
the software should be installed. Typically you should accept the default
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Chapter 2 DEXcom Installation
folder, which is “C:\DEXIS\.” In any event, this must be a folder on a local
hard disk, not on a network drive.
Note: If this is an upgrade, please make sure to install the new software
into the same folder as the older DEXIS version. It will overwrite the existing
program and will not distroy your data. Do not uninstall the older version
unless requested to do so by DEXIS Technical Support.
Select data directory
Next, you will be asked where you would like to store DEXIS data. Typically,
this will be “C:\DEXIS\Data” for the Enterprise Edition, because the folder
entered here is used for local storage of images. The DICOM Storage Server
is entered later. See xxx.
Follow the on-screen directions until DEXIS Enterprise Edition is successfully installed.
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Chapter 2 DEXcom Installation
Install additional software
Install other software only as it applies to your practice and purchased
modules. Please call our telephone support professionals for assistance.
2.1.2 Installing the Sensor Disk
The Sensor Disk contains data specific to your particular sensor. It is used
by the DEXray software to maximize the image quality. Please see the DEXIS
User Manual for further information.
2.1.3 Adding Initial Information
Once DEXIS Enterprise Edition is installed you will find a DEXIS icon on your
desktop.
To initiate the DEXIS Administration program, double-click on this icon. A
window will appear asking for your Practice Name. Type the name exactly
as you want it to appear on printouts. Click “OK” when done.
Next, you will be asked to enter your telephone number. Type it in and click
“OK.”
Now, you will be asked to enter a new patient. For setup and test purposes,
enter a test patient. Type in an ID (such as “X0001”), a last name (such as
“Test”), and a first name (such as “Test”). Click “Done.” You will now have
full view of the DEXIS Administration screen, and patient’s name, Test Test,
will appear on the screen.
2.1.4 Obtain Registration Codes
From the DEXIS Administration screen, click on the “wrench” icon and then
click on “Component Licensing”. Call DEXIS Technical Support for registration codes for your purchased components. One of our technical representatives will walk you through the process.
When you click on the button next to the component name or upon opening
a DEXIS component that needs a separate license, you will be asked to register. You may choose “Later” and this way try the component for 30 days.
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Chapter 2 DEXcom Installation
For a preview of non-registered components, click on the Show Introduction
to... button.
Note: Introductions are not present for all components. If there is no introduction for the component you are trying to register, the button is not
shown.
Should you wish to make any changes to your practice name or telephone
number you will need to re-register your programs.
Your DEXIS System can now be used to take X-rays and to store them on
the local computer. Please consult the DEXIS User Manual, Chapter “Instal-
lation Verification and Testing” for verification and testing of the core system.
2.2 Configuring DEXcom
Open DEXIS Administration, click on the Wrench icon, then select DICOM as
the Image Format to use. If you select a different format DEXcom needs to
convert every image before storing it on the DICOM Server.
Now select DEXcom Configuration to set DICOM networking related parameters, and add and modify DICOM servers you want to communicate with.
2.2.1 Set Workstation Parameters
The DEXcom Configuration dialog will show the host name of your computer. You have to add information in the two fields Input Port and Application
Entity Title. Both values have to be made known to the DICOM Server as
well. They enable communication with the server.
2.2.2 Add a DICOM Server
Click on Add Server to add a DICOM Server to the list of servers you want to
communicate with. You are then asked to enter the coordinates of the server:
• Friendly Name is the name that is listed in the DEXIS Software wherever
a DICOM Server can be selected.
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Chapter 2 DEXcom Installation
• Host Name or IP Address identifies the server computer. If this is a local
computer, its Host Name can be given; if this computer is to be accessed
over the Internet, its IP Address needs to be given.
• Input Port is the port address the server listens on for incoming requests.
• Application Entity Title identifies the server software.
• Time Out specifies the time in seconds you want to wait for the server to
answer. Enter “3” for computers to be accessed over the Internet, enter
“1” for local computers.Increase this value if the server often does not answer in time.
• Check Automatically Store New Images Here if you want DEXcom to store
all newly acquired images on this server without user intervention.
When you have entered the server, verify communication by clicking on
Verify Server. You will get a positive or negative answer.
2.2.3 Modify Server Properties or Delete Servers
In the DEXcom Configuration dialog click on the down arrow to the right of
Modify Server to display the list of entered servers. Select the server to
modify, then click on the button to the left. The Server Configuration dialog
will be displayed and you can modify all parameters as described above.
To delete a server from the list, click the down arrow to the right of Delete
Server, select the server to be deleted, and click the button to the left.
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