Experiences with a Generator Tool for Building Clinical Application Modules

K.A. Kuhn; R. Lenz; T. Elstner; H. Siegele; R. Moll

doi:10.1055/s-0038-1634207

Methods of Information in Medicine, Inhaltsverzeichnis

Methods Inf Med 2003; 42(01): 37-44
DOI: 10.1055/s-0038-1634207

Original article

Schattauer GmbH

Experiences with a Generator Tool for Building Clinical Application Modules

Authors

K.A. Kuhn

¹Institute of Medical Informatics, Philipps-University Marburg, Germany
R. Lenz

¹Institute of Medical Informatics, Philipps-University Marburg, Germany
T. Elstner

¹Institute of Medical Informatics, Philipps-University Marburg, Germany
H. Siegele

²GWI Research, Vienna, Austria
R. Moll

³Institute of Pathology, Philipps-University Marburg, Germany

Abstract

Summary

Objectives: To elaborate main system characteristics and relevant deployment experiences for the health information system (HIS) Orbis^®/ OpenMed, which is in widespread use in Germany, Austria, and Switzerland.

Methods: In a deployment phase of 3 years in a 1.200 bed university hospital, where the system underwent significant improvements, the system’s functionality and its software design have been analyzed in detail. We focus on an integrated CASE tool for generating embedded clinical applications and for incremental system evolution. We present a participatory and iterative software engineering process developed for efficient utilization of such a tool.

Results: The system’s functionality is comparable to other commercial products’ functionality; its components are embedded in a vendor-specific application framework, and standard interfaces are being used for connecting subsystems. The integrated generator tool is a remarkable feature; it became a key factor of our project. Tool generated applications are workflow enabled and embedded into the overall data base schema. Rapid prototyping and iterative refinement are supported, so application modules can be adapted to the users’ work practice.

Conclusions: We consider tools supporting an iterative and participatory software engineering process highly relevant for health information system architects. The potential of a system to continuously evolve and to be effectively adapted to changing needs may be more important than sophisticated but hard-coded HIS functionality. More work will focus on HIS software design and on software engineering. Methods and tools are needed for quick and robust adaptation of systems to health care processes and changing requirements.

Keywords

Clinical information systems - health information systems - software design

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Referenzen

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