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	DICOM based interface to Magnetic Resonance Imaging Scanners

About The Customer

The customer is a leading manufacturer of integrated cancer therapy systems. Customer focuses on providing radiation oncology solutions for treating cancer, X-ray imaging, non-destructive testing, and cargo screening.

The Challenge

The objective was conversion of proprietary customer formatted '*.fdf' file to a file in conformance with the Standard for Digital Imaging and Communications in Medicine (DICOM) developed jointly by ACR (the American College of Radiology) and NEMA (the National Electrical Manufacturers Association).

Storage of the files remotely in a DICOM server with the ability to perform query/retrieve functions across a standard network, using the demonstration programs of a freeware named Central Test Node (CTN) software developed by Radiological Society of North America (RSNA) of Mallinckrodt Institute of Radiology (MIR).

The Solution

Our team implemented an Image Server for storage and query/retrieval of images. The system runs on Unix systems as a background process that accepts association requests from external applications. For each association request, the image server forks a copy of itself so that the copy communicates exclusively with the requesting application. The image server will initiate a DICOM association in response to a move request from an external application. The image server is invoked from the command line. The single mandatory argument is the TCP/IP port number used to accept network connections. The image server does not initiate any action except in response to requests, which are received via DICOM communication. The image server waits for another application to connect at the TCP/IP port number specified when the application is initiated. When another application makes a DICOM association request, the image server uses a control database and logic to verify the request. The number of simultaneous associations that will be accepted by the image server are limited only by the kernel parameters of the underlying TCP/IP implementation. The image server will spawn a new process for each association request that it receives. Therefore, the image server can have multiple simultaneous connections, and there is no inherent limitation on the total number of simultaneous associations, which the image server can maintain.

The image server provides Standard Conformance to the following DICOM 3.0 SOP Classes as a Service Class User: MR Image Storage 1.2.840.10008.5.1.4.1.4

Our team used a freeware named Central Test Node (CTN) software developed by Radiological Society of North America (RSNA) of Mallinckrodt Institute of Radiology (MIR) for developing this software.

Benefits


	Quick identification of freeware CTN for development
	Superiority in product design
	Cost advantages of Mindteck's offshore development services

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