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Updated: Jul 15, 2026

A Spine Robotic-Assisted Navigation System for Pedicle Screw Placement
06:24

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Published on: May 11, 2020

Robotic assisted spinal surgery--from concept to clinical practice.

M Shoham1, I H Lieberman, E C Benzel

  • 1Department of Mechanical Engineering, Technion - Israel Institute of Technology, Haifa, Israel. shoham@tx.technion.ac.il

Computer Aided Surgery : Official Journal of the International Society for Computer Aided Surgery
|May 10, 2007
PubMed
Summary

The SpineAssist robotic system offers precise pedicle screw insertion with 1 mm accuracy, validated in cadaver and clinical trials for both open and minimally invasive spine surgery.

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Area of Science:

  • Robotics in Medicine
  • Spine Surgery
  • Medical Device Development

Background:

  • The SpineAssist is a miniature, bone-mounted robotic system designed for surgical guidance.
  • Existing methods for pedicle screw insertion face challenges in accuracy and invasiveness.

Purpose of the Study:

  • To detail the development and clinical implementation of the SpineAssist robotic system.
  • To highlight challenges and solutions encountered during the product's evolution.
  • To present preclinical and clinical data validating the system's performance.

Main Methods:

  • Mechanical design and engineering of the robotic system.
  • Development of image registration techniques (CT-to-fluoroscopy).
  • Preclinical testing on human cadavers and subsequent clinical trials.

Main Results:

  • The SpineAssist system achieves pedicle screw insertion accuracy within 1 mm.
  • The system demonstrated efficacy in both open and minimally invasive surgical procedures.
  • Successful navigation and screw placement were confirmed through cadaver and clinical studies.

Conclusions:

  • The SpineAssist represents a significant advancement in image-based mechanical guidance for spine surgery.
  • The system's development process addressed key technical hurdles, leading to a clinically viable tool.
  • Clinical use confirms the SpineAssist's accuracy and efficacy in improving pedicle screw placement.