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Measurement of Spatial Stability in Precision Grip
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Force feedback requirements for efficient laparoscopic grasp control.

Eleonora P Westebring-van der Putten1, John J van den Dobbelsteen, Richard H M Goossens

  • 1Department of Applied Ergonomics and Design, Faculty of Industrial Design Engineering, Delft University of Technology, Delft, The Netherlands. e.p.westebring-vanderputten@tudelft.nl

Ergonomics
|August 8, 2009
PubMed
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This summary is machine-generated.

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Novice surgeons struggle with safe grasping during laparoscopic surgery due to lack of tactile feedback. Barehanded grasping allows for better force control, preventing excessive force and slippage, unlike laparoscopic tools.

Area of Science:

  • Human-Computer Interaction
  • Robotics
  • Surgical Technology

Background:

  • Laparoscopic surgery can lead to tissue damage from excessive force and slippage.
  • Humans naturally control barehanded grasps to prevent slippage and excessive force (safe grasp).
  • Limited understanding exists regarding force perception and grasp control during laparoscopic tool usage.

Purpose of the Study:

  • To investigate and compare grasp control differences between barehanded and laparoscopic object lifts.
  • To identify factors contributing to safe grasp achievement in different manipulation scenarios.

Main Methods:

  • Ten novice participants performed object lifts under four conditions: barehanded, tweezers, low-efficiency grasper, and high-efficiency grasper.
  • Pinch forces and pull-force levels were measured and compared across conditions.

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Last Updated: Jun 21, 2026

Measurement of Spatial Stability in Precision Grip
09:36

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Published on: June 4, 2020

Force and Position Control in Humans - The Role of Augmented Feedback
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Force and Position Control in Humans - The Role of Augmented Feedback

Published on: June 19, 2016

Rod-based Fabrication of Customizable Soft Robotic Pneumatic Gripper Devices for Delicate Tissue Manipulation
07:49

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  • Frequency of excessive force application and tissue slippage was recorded.

    • Main Results:

    • Participants applied significantly less pinch force during laparoscopic lifts (0.77–1.08 N) compared to barehanded lifts (2.63 N).
    • Safe grasps were consistently achieved barehanded, while laparoscopic lifts frequently involved excessive force (up to 7.9 N) and slippage (up to 38% of trials).
    • Novices demonstrated a critical need for force feedback, akin to skin-tissue contact, for safe grasping.

    Conclusions:

    • Force feedback is essential for novices to maintain a safe grasp during laparoscopic procedures.
    • Current laparoscopic tools may not adequately replicate the sensory feedback necessary for safe object manipulation.
    • Understanding grasp control during tool use is crucial for designing more ergonomic surgical instruments.