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Related Experiment Video

Updated: Jun 29, 2026

Cone Beam Intraoperative Computed Tomography-based Image Guidance for Minimally Invasive Transforaminal Interbody Fusion
05:37

Cone Beam Intraoperative Computed Tomography-based Image Guidance for Minimally Invasive Transforaminal Interbody Fusion

Published on: August 6, 2019

Innovative polymer-based shaft instruments for minimally invasive surgery.

Alexander Disch1, Theodor Lutze, Dirk Schauer

  • 1Aesculap AG, Tuttlingen, Germany.

Minimally Invasive Therapy & Allied Technologies : MITAT : Official Journal of the Society for Minimally Invasive Therapy
|October 16, 2008
PubMed
Summary

This study introduces novel polymer-based instruments for minimally invasive surgery (MIS), featuring innovative hybrid end-effectors and hydraulic force transmission. These advancements enhance functionality and enable cost-effective, large-scale production of surgical tools.

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Area of Science:

  • Biomedical Engineering
  • Materials Science
  • Surgical Technology

Background:

  • Minimally invasive surgery (MIS) requires advanced instrumentation for improved patient outcomes.
  • Existing surgical instruments often have limitations in functionality and manufacturing complexity.
  • There is a continuous need for developing novel, high-performance surgical tools.

Purpose of the Study:

  • To present innovative polymer-based shaft instruments for minimally invasive surgery.
  • To introduce a new hybrid end-effector mechanism combining compliant joints and conventional hinges.
  • To develop an improved, polymer-based hydraulic force transmission system.

Main Methods:

  • Design and fabrication of novel polymer-based end-effector mechanisms.

Related Experiment Videos

Last Updated: Jun 29, 2026

Cone Beam Intraoperative Computed Tomography-based Image Guidance for Minimally Invasive Transforaminal Interbody Fusion
05:37

Cone Beam Intraoperative Computed Tomography-based Image Guidance for Minimally Invasive Transforaminal Interbody Fusion

Published on: August 6, 2019

  • Development of a leakage-free hydraulic force transmission system using modified polymer tubing.
  • Experimental evaluation of the developed components for functionality, friction, and backlash.

    • Main Results:

    • The novel hybrid end-effectors demonstrate low friction and backlash, offering high functionality.
    • The new hydraulic force transmission system provides efficient force transfer and is entirely polymer-based.
    • Both components are designed for simple configurations, suitable for large-scale polymer manufacturing (e.g., injection molding).

    Conclusions:

    • The developed polymer-based instruments offer increased functionality for minimally invasive surgery.
    • The innovative designs have the potential for cost-effective, large-scale production.
    • This work paves the way for a new generation of advanced polymer-based surgical tools.