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Fractures: Bone Repair

Fractures: Bone Repair

Treatment for a fracture is based on the type of break, the bone affected, and the patient's age.
Minor fractures with no bone displacement are treated by immobilizing the fractured bone using a cast or splint. However, in the case of fractures with displaced bones, the broken bones are repositioned before immobilization to ensure successful healing without deformation and loss of function. The realignment of fractured bone ends is performed through a process called reduction. If the procedure...

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Related Experiment Video

Updated: May 23, 2026

Creating Rigidly Stabilized Fractures for Assessing Intramembranous Ossification, Distraction Osteogenesis, or Healing of Critical Sized Defects

Creating Rigidly Stabilized Fractures for Assessing Intramembranous Ossification, Distraction Osteogenesis, or Healing of Critical Sized Defects

Published on: April 11, 2012

A Modified External Fixation Device for Treating Open Fractures of the Lower Extremities: Two Case Reports.

Shen Liu¹, Xiangdang Liang², Songyang Liu¹

¹Department of Orthopaedics, Aerospace Center Hospital, Beijing, China, asch.net.cn.

Case Reports in Orthopedics

|April 20, 2026

Summary

A modified external fixation device offers a stable, compact solution for open lower extremity fractures, enabling early weight-bearing and reducing complications. This innovation improves patient comfort and facilitates combined vacuum sealing drainage (VSD) use.

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Last Updated: May 23, 2026

Creating Rigidly Stabilized Fractures for Assessing Intramembranous Ossification, Distraction Osteogenesis, or Healing of Critical Sized Defects

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Adjustable Stiffness, External Fixator for the Rat Femur Osteotomy and Segmental Bone Defect Models

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A Reliable and Reproducible Critical-Sized Segmental Femoral Defect Model in Rats Stabilized with a Custom External Fixator

A Reliable and Reproducible Critical-Sized Segmental Femoral Defect Model in Rats Stabilized with a Custom External Fixator

Published on: March 24, 2019

Area of Science:

Orthopedic Surgery
Biomedical Engineering
Trauma Care

Background:

Open lower extremity fractures pose challenges for early internal fixation due to soft tissue damage and infection risk.
Traditional external fixation devices have limitations, including bulkiness, poor stability, and difficulty integrating with vacuum sealing drainage (VSD).

Purpose of the Study:

To introduce a novel, compact, and lightweight modified external fixation device designed to overcome the limitations of traditional methods.
To evaluate the biomechanical stability, safety, and efficacy of this modified device in treating open lower extremity fractures.

Main Methods:

Design and biomechanical enhancement of a modified external fixation device with increased plate thickness and thread depth.
Application of the device in two male patients with open tibial and femoral fractures following debridement and suture.
Monitoring for complications and assessing fracture healing through clinical and radiographic follow-up.

Main Results:

Both patients achieved early partial weight-bearing ambulation without pin tract infections, fixation loosening, or nonunion.
Satisfactory fracture healing was observed, with bony union confirmed at 12 and 20 weeks post-surgery.
The modified device demonstrated a compact structure, ease of use, and compatibility with VSD.

Conclusions:

The modified external fixation device is a feasible and effective option for managing selected open lower extremity fractures.
The device offers improved biomechanical stability, patient comfort, and functional outcomes compared to traditional external fixators.
Further clinical validation is warranted to confirm the long-term benefits and broader applicability of this innovative device.