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Updated: Jul 17, 2026

Three-Dimensional Preoperative Virtual Planning in Derotational Proximal Femoral Osteotomy

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Published on: February 17, 2023

Three-dimensional virtual modeling for lower limb deformity correction over intramedullary nail.

Michal Goetz^1,2, Yair Gortzak³, Lior Yosef Shabtai⁴

¹Pediatric Orthopedic Department, Dana-Dwek Children's Hospital, Tel Aviv Sourasky Medical Center, Tel Aviv, Israel.

Frontiers in Surgery

|July 16, 2026

Summary

3D virtual surgical planning and patient-specific cutting guides improve accuracy in correcting complex lower-limb deformities in pediatric patients using intramedullary nails. This innovative approach enhances surgical precision and patient outcomes.

Keywords:

3D surgical planning deformity correction intramedullary nail lower limb patient-specific cutting guides

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Last Updated: Jul 17, 2026

Three-Dimensional Preoperative Virtual Planning in Derotational Proximal Femoral Osteotomy

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An Intramedullary Locking Nail for Standardized Fixation of Femur Osteotomies to Analyze Normal and Defective Bone Healing in Mice

An Intramedullary Locking Nail for Standardized Fixation of Femur Osteotomies to Analyze Normal and Defective Bone Healing in Mice

Published on: November 13, 2016

Area of Science:

Orthopedic Surgery
Biomedical Engineering
Pediatric Orthopedics

Background:

Intramedullary nails (IMNs) are established for limb lengthening and deformity correction.
Acute deformity correction over IMNs presents significant technical challenges.
Advanced planning tools are needed for complex pediatric limb deformities.

Purpose of the Study:

To describe the application of 3D virtual surgical planning.
To detail the use of patient-specific 3D-printed cutting guides.
To manage complex lower-limb deformities in pediatric patients using IMNs.

Main Methods:

Retrospective study of 21 pediatric patients (mean age 12 years).
Utilized 3D virtual models for preoperative planning.
Employed patient-specific cutting guides for surgical correction with IMNs.

Main Results:

Excellent correction (≤5° residual angulation) achieved in 83% of extremities.
Acceptable correction (6-10° residual angulation) in 17%.
Mean time to union was 8.5 weeks; no major complications occurred.

Conclusions:

3D virtual planning and patient-specific cutting guides are effective adjuncts.
This approach enhances accuracy in preoperative planning.
Facilitates precise and controlled surgical execution for pediatric lower-limb deformities.