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Ankle Joint

Ankle Joint

The ankle is formed by the talocrural joint (crural = leg). It consists of the articulations between the talus bone of the foot and the distal ends of the tibia and fibula of the leg. The superior aspect of the talus bone is square-shaped and has three areas of articulation. The top of the talus articulates with the inferior tibia. This is the portion of the ankle joint that carries the body weight between the leg and foot. The sides of the talus are firmly held in position by the articulations...

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Internal Joint Stabilizer: A Safe Treatment for Traumatic Elbow Instability.

Evan S Fene¹, Ishvinder S Grewal, John L Eakin

¹Department of Orthopaedic Surgery, University of Texas Southwestern Medical Center, Dallas, TX.

Journal of Orthopaedic Trauma

|March 18, 2022

Summary

The Internal Joint Stabilizer of the Elbow (IJS-E) effectively treated traumatic elbow instability, including terrible triad injuries. This device allowed for early motion and reliable restoration of elbow stability.

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Area of Science:

Orthopedic Surgery
Traumatology
Biomedical Engineering

Background:

Traumatic elbow dislocations, particularly terrible triad injuries, present significant challenges in achieving stable fixation and restoring function.
Traditional treatments may involve complex procedures and prolonged immobilization, potentially leading to stiffness and poor outcomes.

Purpose of the Study:

To evaluate the early results of the Internal Joint Stabilizer of the Elbow (IJS-E) in managing traumatic elbow instability.
To assess the efficacy of the IJS-E in treating severe elbow dislocations, including terrible triad injuries.

Main Methods:

A retrospective cohort study was conducted at a Level 1 trauma center.
Seventeen patients with traumatic elbow instability underwent open reduction internal fixation using the IJS-E.
Elbow stability, range of motion, and functional outcomes (Disabilities of the Arm, Shoulder and Hand scores) were assessed.

Main Results:

All elbows achieved radiographic stability post-IJS-E removal.
Mean elbow range of motion improved significantly, with flexion-extension averaging 92 degrees and pronation-supination 139 degrees.
Five patients (30%) experienced complications, and two (12%) required revision surgery due to implant failure.

Conclusions:

The IJS-E provides a reliable treatment option for traumatic elbow instability, especially in terrible triad injuries.
The device facilitates early range of motion and effective restoration of elbow stability.
Further investigation into this novel stabilization system is warranted.