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Communication Dans Un Congrès Année : 2002

Safety Analysis of a Medical Robot for Tele-echography


Among many types of medical equipment, ultrasound diagnostic systems are widely used because of their convenience and safety. Performing an ultrasound examination involves good eye-hand coordination and the ability to integrate the acquired information over time and space. Some of these specialized skills may lack in some healthcare centers or for emergency situations. Tele-consultation is therefore an interesting alternative to conventional care. Development of a high performance remote diagnostic system, which enables an expert operator at the hospital to examine a patient at home, in an emergency vehicle or in a remote clinic, may have a very significant added value. Therefore a robotic tele-ultrasound system is proposed in order to realize the examination in small towns or cities without needing highly qualified medical staff. This system for Robotic Tele-Echography (TER) is designed and developed by a French consortium composed of universities, hospitals and industrials companies. In such systems safety is critical. The robot share its working area with the operator and have a close interaction with the patient. Safe behavior in all circumstances is guaranteed by complete management of hazards (their identification, evaluation, and control) throughout the life cycle of the system, particularly in the early stages. Hence, system safety activities are multi-disciplinary and entirely linked with systems theory and systems engineering. In this context, pieces of information are usually corrupted because of the great number of experts using various languages. To handle this issue we studied a safety analysis process integrated with one modeling language used for systems specification and design. The size, complexity and criticality of many of today's robotic applications led us to choose object-oriented development and the industrial standard UML (Unified Modeling Language) as the language. We also chose UML for its fault prevention characteristics, and for its expression power in the robotics field.

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hal-01276607 , version 1 (19-02-2016)


  • HAL Id : hal-01276607 , version 1


Jérémie Guiochet, Adriana Vilchis. Safety Analysis of a Medical Robot for Tele-echography. 2nd IARP IEEE/RAS joint workshop on Technical Challenge for Dependable Robots in Human Environments, Toulouse, France, Oct 2002, Toulouse, France. ⟨hal-01276607⟩
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