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A wearable lower extremity support for laparoscopic surgeons: A pilot study.

Hiroshi Kawahira1,2, Ryoichi Nakamura3, Yoshihiro Shimomura4

  • 1Medical Simulation Center, Jichi Medical Univerisity, Shimotsuke, Japan.

Asian Journal of Endoscopic Surgery
|July 10, 2020
PubMed
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A new wearable device helps surgeons maintain an upright posture during laparoscopic surgery, potentially reducing physical stress on their lower extremities. This innovation shows promise for improving the surgical work environment and surgeon well-being.

Area of Science:

  • Surgical Technology
  • Biomechanics
  • Ergonomics

Background:

  • Laparoscopic surgery imposes significant physical stress on surgeons, particularly affecting lower extremities due to operative site constraints.
  • Maintaining prolonged, often static, postures during lengthy procedures can lead to surgeon fatigue and discomfort.

Purpose of the Study:

  • To develop and evaluate a wearable device designed to alleviate physical stress on surgeons' lower extremities during laparoscopic procedures.
  • To assess the device's efficacy in facilitating a near-upright posture and reducing muscle strain.

Main Methods:

  • A novel wearable device with a knee-joint locking mechanism was developed to assist surgeons in maintaining posture.
  • Surface electromyogram (EMG) of iliopsoas muscles was recorded from three surgeons during laparoscopic procedures with and without the device.
Keywords:
assist suitelectromyographylaparoscopywearable device

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  • Post-procedure questionnaires were administered to gather subjective feedback on device usability and comfort.

    • Main Results:

    • A trend towards decreased EMG activity was observed in the left iliopsoas muscle (P = .055) when using the device.
    • EMG activity in the right iliopsoas muscle showed minimal change (P = .406).
    • Surgeons reported a positive overall impression of the device, with noted difficulties in walking.

    Conclusions:

    • The wearable device shows potential for reducing physical strain on surgeons during laparoscopic surgery by decreasing iliopsoas muscle activity.
    • Further refinement may be needed to address mobility challenges, but the device offers a promising approach to improving the surgical environment.