Medical devices historically have been monolithic units -developed, validated, and approved by regulatory authorities as stand-alone entities. Modern medical devices increasingly incorporate connectivity mechanisms that offer the potential to stream device data into electronic health records, integrate information from multiple devices into single customizable displays, and coordinate the actions of groups of cooperating devices to realize "closed loop" scenarios and automate clinical workflows.In this paper, we describe a publish-subscribe architecture for medical device integration based on the Java Messaging Service. We overview of a model-based development environment that we have built for rapidly programming device coordination scenarios. We assess the extent to which this framework is capable of supporting and complementing the Integrated Clinical Environment that has been proposed by the Medical Device Plug and Play Interoperability Project The implementation of this framework is free available and open source. One of the primary goals of the framework is to provide researchers in acadaemia, industry, and government with an open test bed for exploring development, quality assurance, and regulatory issues related to medical device coordination.
This tool demonstration presents a framework for integrating and coordinating the activities of medical devices. The framework uses a publish-subscribe framework for communicating with and controlling devices and a model-driven component-based development environment for rapid implementation of device coordination tasks. A multi-faceted graphical user interface supports activities such as device/driver registering and installation, model-based development of device integrations, and monitoring system activities/performance. The framework also includes a control/display environment that clinicians would use to (a) display integrated information pulled from multiple devices and (b) launch and interact with device coordinations that automate clinical workflows. The distribution of the framework includes a collection of mock medical devices, and instructions for integrating real devices. The codebase is freely available under an open source license.
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