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Related Experiment Video

Updated: Jun 25, 2026

Orthopedic Robot-Assisted Femoral Neck System in the Treatment of Femoral Neck Fracture
05:42

Orthopedic Robot-Assisted Femoral Neck System in the Treatment of Femoral Neck Fracture

Published on: March 3, 2023

Navigation System-Assisted vs Freehand Cannulated Screw Fixation for Femoral Neck Fractures: Protocol for a

Meng Li1, Dake Tong2, Meng Cheng1

  • 1Fourth Medical Center of PLA General Hospital, Beijing, Beijing, China.

JMIR Research Protocols
|June 23, 2026
PubMed
Summary

This study compares navigation-assisted versus freehand screw fixation for femoral neck fractures (FNF). It aims to reduce fluoroscopy use and improve surgical accuracy for better patient outcomes.

Keywords:
femoral neck fracturesfreehand techniqueintraoperative fluoroscopynavigation systemrandomized controlled trialthree cannulated screws

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Last Updated: Jun 25, 2026

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Area of Science:

  • Orthopedic surgery
  • Medical technology
  • Clinical trials

Background:

  • Increasing incidence of femoral neck fractures (FNFs) due to aging populations and trauma.
  • Conventional three cannulated screws (TCS) fixation has limitations in accuracy and requires significant fluoroscopy.
  • Advanced navigation systems offer potential for improved precision in FNF surgery.

Purpose of the Study:

  • To compare surgical outcomes between an intelligent navigation system and the conventional freehand technique for FNF.
  • To evaluate long-term fracture healing and complication rates in FNF management.
  • To assess the efficacy of navigation systems in improving surgical accuracy and reducing fluoroscopy exposure.

Main Methods:

  • Multicenter, prospective, randomized controlled superiority trial comparing navigation-assisted TCS fixation with freehand TCS fixation.
  • Enrolling 300 adult patients (≥18 years) with FNF from June 2024 to October 2026.
  • Primary outcome: intraoperative fluoroscopy frequency; Secondary outcomes: fracture healing, patient-reported scores, and complication rates.

Main Results:

  • Patient enrollment is ongoing, with a target sample size of 300 participants.
  • The study commenced in June 2024, with follow-up extending to October 2027.
  • No data analysis has been performed as of manuscript submission.

Conclusions:

  • Successful completion may establish navigation systems as a new standard for FNF management.
  • This research could lead to standardized protocols for navigation system use in orthopedic surgery.
  • Potential for enhanced clinical outcomes and reduced complication rates in patients with FNF.