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. 2018 Aug;13(8):1301-1308.
doi: 10.1007/s11548-018-1791-x. Epub 2018 May 24.

The intelligent OR: design and validation of a context-aware surgical working environment

Stefan Franke  1 , Max Rockstroh  2 , Mathias Hofer  3 , Thomas Neumuth  2
Affiliations

The intelligent OR: design and validation of a context-aware surgical working environment

Stefan Franke et al. Int J Comput Assist Radiol Surg. 2018 Aug.

Abstract

Purpose: Interoperability of medical devices based on standards starts to establish in the operating room (OR). Devices share their data and control functionalities. Yet, the OR technology rarely implements cooperative, intelligent behavior, especially in terms of active cooperation with the OR team. Technical context-awareness will be an essential feature of the next generation of medical devices to address the increasing demands to clinicians in information seeking, decision making, and human-machine interaction in complex surgical working environments.

Methods: The paper describes the technical validation of an intelligent surgical working environment for endoscopic ear-nose-throat surgery. We briefly summarize the design of our framework for context-aware system's behavior in integrated OR and present example realizations of novel assistance functionalities. In a study on patient phantoms, twenty-four procedures were implemented in the proposed intelligent surgical working environment based on recordings of real interventions. Subsequently, the whole processing pipeline for context-awareness from workflow recognition to the final system's behavior is analyzed.

Results: Rule-based behavior that considers multiple perspectives on the procedure can partially compensate recognition errors. A considerable robustness could be achieved with a reasonable quality of the recognition. Overall, reliable reactive as well as proactive behavior of the surgical working environment can be implemented in the proposed environment.

Conclusions: The obtained validation results indicate the suitability of the overall approach. The setup is a reliable starting point for a subsequent evaluation of the proposed context-aware assistance. The major challenge for future work will be to implement the complex approach in a cross-vendor setting.

Keywords: Context-aware surgical assistance; Device interoperability; Intelligent operating room; Surgical workflow.

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