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    This study revisits risk categories in medical alarm safety standards, suggesting a flexible three-tier system for updated alarm design and clinical practice. The proposed system aligns with current standards and future innovations.

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    Area of Science:

    • Biomedical Engineering
    • Human Factors Engineering
    • Clinical Risk Management

    Background:

    • The International Electrotechnical Commission 60601-1-8 standard addresses audible alarm safety in medical devices.
    • Current risk categories within the standard require re-evaluation based on their origins and clinical applicability.

    Purpose of the Study:

    • To critically assess the existing risk categories for medical device alarms.
    • To propose an updated, flexible risk categorization system for alarm safety.

    Main Methods:

    • Revisiting the historical basis of alarm risk categories, focusing on mechanisms of tissue damage.
    • Analyzing categories from diverse professional perspectives: human factors, semiotics, clinical practice, and patient/family viewpoints.
    • Developing a novel three-tier hierarchical system (superordinate, basic, subordinate).

    Main Results:

    • Existing risk categories have clinically relevant features but may benefit from modernization.
    • Advances in alarm design necessitate a more adaptable approach to risk classification.
    • The proposed three-tier system integrates current standard principles with future design possibilities.

    Conclusions:

    • The current framework for medical alarm risk categories can be enhanced.
    • A flexible, multi-level system better accommodates evolving alarm technologies and diverse clinical needs.
    • The proposed system offers a viable path for updating alarm safety standards.