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Ergonomic aspects in the design of instrumentation for ophthalmic microsurgery

Aspekte der Ergonomie bei der Gestaltung von Instrumenten der ophthalmologischen Mikrochirurgie

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Abstract

The following report introduces two projects, dealing about ergonomics in ophthalmic microsurgery. The first project is devoted to the development of a method, by means of which the design of microsurgical instrumentation is evaluated quantitatively. Developed method particularly considers conditions of instrument use as found in microsurgical practice. In a first attempt, the method was validated using laypersons. In the second project, various measures are introduced aiming to improve the posture of the surgeon during the microsurgery. One of the measures consists in using a large 3D-monitor to present the microscopic image to the surgeon instead of viewing the image through the oculars of a traditional microscope. The measure therefore enables a more relaxed posture of the surgeon. In addition, a chair was developed, considering to support the surgeon’s posture when operating using the 3D-monitor or the traditional microscope while performing the microsurgery.

Practical relevance. The method suggested in the first project closes a gap in product design as it provides developers with a quantitative, objective and ecologic valid methods for evaluating designs of microsurgical instrumentation. The measures presented in the second project will contribute to reduce postural complaints of the surgeon caused by microsurgical interventions.

Zusammenfassung

Die im Folgenden vorgestellten Forschungsprojekte befassen sich mit der Ergonomie bei mikrochirurgischen Eingriffen in der Ophthalmologie. Das erste Projekt ist der Entwicklung eines Verfahrens gewidmet, das zur quantitativen Bewertung des Produktdesigns mikrochirurgischer Instrumente dient. Hierbei wurde besonderer Wert auf eine, dem Einsatz der Instrumente nahe stehende Bewertungsmethode gelegt. In einem ersten Ansatz, wurde die Tauglichkeit des Verfahrens mittels einer mit Laien durchgeführten Benutzerstudie untersucht. Im zweiten Projekt werden Gestaltungsmaßnahmen untersucht, die zur verbesserten Körperhaltung bei mikrochirurgischen Eingriffen in der Ophthalmologie führen. Eine der Maßnahmen besteht in der Verwendung eines 3D-Monitors, welcher dem Chirurgen eine, im Gegensatz zur Verwendung des traditionellen Mikroskops, aufrechte Körperhaltung ermöglicht. Im Weiteren wurde ein Stuhl entwickelt, dank dem der Chirurg sowohl bei Operationen mittels 3D-Monitor als auch bei Operationen mittels traditionellem Mikroskop eine günstige Körperhaltung einnehmen kann.

Praktische Relevanz. Mit der im ersten Projekt vorgeschlagenen Methode des Produktdesigns wird eine Lücke geschlossen. Damit wird es Entwicklern mikrochirurgischer Instrumente möglich sein, die Auswirkung von Gestaltungsmaßnahmen quantitativ und objektiv mit einer ökologisch validen Methode zu dokumentieren. Die im zweiten Projekt präsentierten Gestaltungsmaßnahem tragen dazu bei, die Körperhaltungsbeschwerden des Operateurs bei mikrochirurgischen Eingriffen zu reduzieren.

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Acknowledgements

As for the first project presented in this paper, the authors wish to thank Niels Abt from Alcon Grieshaber for his support and Marco Berger from the chair of Consumer Behavior of ETH Zürich for his help in building the electrical circuits of the developed instrumentation. The authors thank the company Kimoto LTD in Zürich for providing free samples of the transparent conductive film. Last but not least we are grateful to our participants for devoting their precious time to our experiment.

As for the second project presented in this paper, the authors thank Prof. Nobuhiro FUJIKI and Mr. Hidenori TOGAMI at University of Occupational and Environmental Health, Japan for contribution in development of the contact confirmation device. They thank Dr. Kouichirou TOYOTA at Toyota Orthopedics Clinic, for his valuable suggestions and taking radiography. They also thank HANDAYA Co., LTD for their contribution in manufacture of the chair.

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Authors and Affiliations

  1. Human Factors Engineering, Chair of Consumer Behavior, ETH Zurich, Scheuchzerstrasse 7, 8092, Zurich, Switzerland

    Marino Menozzi, Nadia Neumayer & Ying-Yin Huang

  2. Department of Industrial Engineering and Management, National Taipei University of Technology (Taipei Tech), Taipei, Taiwan, Province of China

    Ying-Yin Huang

  3. Department of Ophthalmology, University of Occupational and Environmental Health, Fukuoka, Japan

    Akihisa Watanabe & Hiroyuki Kondo

  4. Graduate School of Biomedical Engineering, Tohoku University, Sendai, Japan

    Hideki Oyama & Shin-ichi Izumi

  5. Gifu Prefectural Research Institute for Human Life Technology, Gifu, Japan

    Goroh Fujimaki

  6. Waseda University, Tokyo, Japan

    Kageyu Noro

  7. ErgoSeating Co., Ltd., Tokyo, Japan

    Kageyu Noro

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  1. Marino Menozzi
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  2. Nadia Neumayer
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  4. Akihisa Watanabe
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  5. Hideki Oyama
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  7. Hiroyuki Kondo
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  8. Shin-ichi Izumi
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  9. Kageyu Noro
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Correspondence to Marino Menozzi.

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Menozzi, M., Neumayer, N., Huang, YY. et al. Ergonomic aspects in the design of instrumentation for ophthalmic microsurgery. Z. Arb. Wiss. 73, 23–34 (2019). https://doi.org/10.1007/s41449-018-00135-w

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  • DOI: https://doi.org/10.1007/s41449-018-00135-w

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