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Related Concept Videos

Frames01:30

Frames

762
Frames are essential components of various mechanical and structural systems used daily. These structures are known for their stability and ability to bear heavy loads. A frame is constructed using two-force and multi-force members, interconnected using pin joints. In contrast, trusses are made entirely of two-force members.
Frames are versatile and widely used in various applications such as structural supports for beams and columns, automobile chassis construction, and in the construction...
762
Flail Chest-II01:26

Flail Chest-II

413
Managing flail chest, a condition characterized by a segment of the chest wall moving independently from the rest of the thoracic cage, requires a comprehensive approach. It includes a thorough assessment of the patient's condition, a diagnostic evaluation to determine the extent of the injury, and the implementation of appropriate medical interventions tailored to the individual's needs.
Assessment:
1. Clinical Evaluation:
History:
413
Fractures: Bone Repair01:27

Fractures: Bone Repair

4.5K
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...
4.5K
Frames: Problem Solving II01:26

Frames: Problem Solving II

433
Consider a hydraulic hoist supporting a load of 1 kN. Assuming a simplified schematic representation of this frame structure, the force acting on BD and BF members can be determined.
433

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Related Experiment Video

Updated: Dec 10, 2025

Adjustable Stiffness, External Fixator for the Rat Femur Osteotomy and Segmental Bone Defect Models
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Modified Extended External Fixator Frame for Leg Elevation in Trauma.

Venkatesh Rajaram Sawant1, Chandrakant Rambhau Gharwade1

  • 1Department of Plastic Surgery, Grant Medical College and Sir J Group of Hospitals, Mumbai, Maharashtra, India.

Indian Journal of Plastic Surgery : Official Publication of the Association of Plastic Surgeons of India
|September 5, 2020
PubMed
Summary

A modified external fixator for lower extremity trauma stabilizes limbs, preventing complications like heel pressure sores and equinus deformity. This innovation improves patient comfort and aids rehabilitation by maintaining optimal limb positioning.

Keywords:
equinus contractureheel ulcerationlimb elevationmodification of external fixator frame

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Area of Science:

  • Orthopedic surgery
  • Trauma management

Background:

  • Lower extremity trauma often requires external fixators for fracture stabilization.
  • Multiple surgeries in these cases increase risks of heel pressure sores, equinus deformity, and limb edema.
  • These complications impede healing and hinder rehabilitation.

Purpose of the Study:

  • To modify the standard uniplanar external fixator.
  • To create a device providing stable limb elevation and optimal foot positioning.
  • To prevent common complications associated with lower extremity fracture fixation.

Main Methods:

  • A modified external fixator frame was designed and applied.
  • The frame was utilized in a cohort of 10 patients with lower extremity trauma.
  • The design aimed to maintain limb and foot position to avoid specific complications.

Main Results:

  • No patients in the study developed heel ulceration.
  • No patients developed equinus deformity.
  • The modified frame facilitated easier wound examination and enhanced patient comfort during dressing changes.

Conclusions:

  • The modified external fixator effectively prevents heel pressure sores and equinus deformity.
  • This device offers improved patient comfort and facilitates wound care.
  • The innovation shows promise in optimizing outcomes for lower extremity trauma patients undergoing external fixation.