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Severe bottlenecks in usability and human technology interaction (HTI) of existing surgical workplaces and operating room (OR) equipment can occur today: lack of space, cable as trip hazard, communication problems between sterile and non-sterile staff, and operating errors in the handling of the medical devices. In fact, risks that are caused by poor usability can be critical, and studies show that most are preventable. This issue gets even more challenging in the context of open-OR networks regarding consistent and usable integration of user interfaces (UIs) of independently designed systems in one integrated surgical work system. In this work, a concept of generic UI profiles for the modular integration of a UI has been developed and first prototypes have been implemented. The concept is essentially based on the approach of device profiles developed in the context of the Bundesministerium für Bildung und Forschung project OR.NET (www.ornet.org). We developed generic UI profiles to map the different interfaces of the medical devices on an integrated surgical UI. The integrated UI design shall be automatically verified according to agreed usability criteria, guidelines, and human error taxonomies.

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With the increasing documentation requirements and communication capabilities of medical devices in the operating room, the integration and modular networking of these devices have become more and more important. Commercial integrated operating room systems are mainly proprietary developments using usually proprietary communication standards and interfaces, which reduce the possibility of integrating devices from different vendors. To overcome these limitations, there is a need for an open standardized architecture that is based on standard protocols and interfaces enabling the integration of devices from different vendors based on heterogeneous software and hardware components. Starting with an analysis of the requirements for device integration in the operating room and the techniques used for integrating devices in other industrial domains, a new concept for an integration architecture for the operating room based on the paradigm of a service-oriented architecture is developed. Standardized communication protocols and interface descriptions are used. As risk management is an important factor in the field of medical engineering, a risk analysis of the developed concept has been carried out and the first prototypes have been implemented.

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