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Three-Dimensional Printed Ergonomically Improved Microforceps for Microneurosurgery.

Ramandeep Singh1, Ashish Suri1

  • 1Department of Neurosurgery, All India Institute of Medical Sciences, New Delhi, India.

World Neurosurgery
|May 21, 2020
PubMed
Summary
This summary is machine-generated.

This study developed improved microforceps for neurosurgery, reducing tip distance and applied force. These ergonomic enhancements significantly improve microsuturing tasks under high magnification.

Keywords:
3D printingErgonomicsMicroforcepsMicroneurosurgeryVideo analysis

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Area of Science:

  • Neurosurgery
  • Surgical Instrumentation
  • Ergonomics

Background:

  • Microforceps are essential neurosurgical instruments for microscopic procedures.
  • Current microforceps exhibit increased tip distance at high magnification, leading to tips moving out of view and causing ergonomic discomfort.

Purpose of the Study:

  • To develop and validate an ergonomically improved microforceps for neurosurgical microscopic procedures.
  • To address the limitations of existing microforceps, specifically tip distance and applied force.

Main Methods:

  • Defined design criteria focusing on reduced tip distance and applied force.
  • Created and fabricated computer models of microforceps using direct metal laser sintering.
  • Validated the instrument through subjective feedback from ten neurosurgeons and objective analysis of video feed.

Main Results:

  • Subjective validation showed neurosurgeons endorsed the ergonomic improvements.
  • Statistically significant improvements were observed in microforceps tips staying in view (P=0.0005), suture holding (P=0.001), and needle holding (P=0.03).
  • Applied force was reduced by 47.5%, though knot-tying time was not significantly improved (P=0.06).

Conclusions:

  • The developed microforceps offer significant ergonomic benefits for microsuturing under high magnification.
  • The instrument enhances surgical precision and reduces surgeon discomfort during microscopic neurosurgical procedures.