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Related Concept Videos

Knee Joint01:23

Knee Joint

1.5K
The knee joint is the most complicated joint in the body. It consists of three articulations– two tibiofemoral and one patellofemoral. As is characteristic of synovial joints, the knee joint has a thin articular capsule that partially surrounds this joint cavity. Additionally, several ligaments, muscles, and cartilaginous structures support the movement of the knee.
A total of seven ligaments support the knee joint. The patellar ligament, which is also attached to the quadriceps femoris...
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Related Experiment Video

Updated: Jun 7, 2025

A Mini-Invasive Internal Fixation Technique for Studying Immobilization-Induced Knee Flexion Contracture in Rats
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Adjustable Loop Fixation in Multi-ligament Knee Injuries: A Technical Note.

Adit R Maniar1, Nicola D Mackay1, Alan M J Getgood1

  • 1Fowler Kennedy Sports Medicine Clinic, London, ON Canada.

Indian Journal of Orthopaedics
|November 14, 2024
PubMed
Summary
This summary is machine-generated.

Adjustable Loop Fixation devices (ALDs) enhance multi-ligament knee reconstructions by enabling precise graft tensioning and re-tensioning. These devices improve graft stability and help restore natural knee movement, offering significant clinical benefits.

Keywords:
Adjustable loop fixation devicesMedial collateral ligamentMulti-ligament knee reconstructionsPosterior cruciate ligamentPosterolateral corner

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Area of Science:

  • Orthopedic Surgery
  • Biomedical Engineering
  • Sports Medicine

Background:

  • Adjustable Loop Fixation devices (ALDs) were developed to provide graft length adjustability within bone tunnels.
  • ALDs have demonstrated comparable clinical and biomechanical outcomes to traditional methods in anterior cruciate ligament reconstructions.
  • The utility of ALDs in complex multi-ligament knee reconstructions is increasingly recognized.

Purpose of the Study:

  • To evaluate the application and benefits of ALDs in various multi-ligament knee reconstruction procedures.
  • To highlight the role of ALDs in achieving differential tensioning for complex ligamentous repairs.
  • To demonstrate how ALDs facilitate graft tensioning and re-tensioning to optimize reconstruction stability.

Main Methods:

  • Application of ALDs in double bundle posterior cruciate ligament reconstruction, allowing differential tensioning of distinct graft bundles.
  • Utilizing ALDs in modified LaPrade technique for anatomic posterolateral corner reconstruction for differential tensioning of collateral ligaments and associated structures.
  • Employing ALDs in anatomic superficial medial collateral ligament reconstruction for femoral-sided tensioning, cyclic loading, and re-tensioning.

Main Results:

  • ALDs enable differential tensioning of anterolateral and posteromedial bundles in double bundle PCL reconstruction.
  • ALDs facilitate differential tensioning of fibular collateral ligament and popliteus complex in posterolateral corner reconstruction.
  • ALDs allow for effective tensioning, cycling, and re-tensioning in superficial MCL reconstruction, leading to stable outcomes.

Conclusions:

  • Adjustable Loop Fixation devices offer significant advantages in multi-ligament knee reconstructions.
  • ALDs are crucial for managing graft creep through precise tensioning and re-tensioning, preventing postoperative laxity.
  • The ability of ALDs to achieve differential tensioning aids in restoring native knee kinematics and function.