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Scientific Articles   |    
Placement of a Compass Knee HingeSurgical Technique
Clayton W. Nuelle, MD1; James P. Stannard, MD1
1 Department of Orthopaedic Surgery, University of Missouri, 1100 Virginia Avenue, DC953.00, Columbia, MO 65212. E-mail address for J.P. Stannard: stannardj@health.missouri.edu
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Based on an original article: J Bone Joint Surg Am. 2014 Feb 4;96(3):184-91



Disclosure: None of the authors received payments or services, either directly or indirectly (i.e., via his or her institution), from a third party in support of any aspect of this work. One or more of the authors, or his or her institution, has had a financial relationship, in the thirty-six months prior to submission of this work, with an entity in the biomedical arena that could be perceived to influence or have the potential to influence what is written in this work. No author has had any other relationships, or has engaged in any other activities, that could be perceived to influence or have the potential to influence what is written in this work. The complete Disclosures of Potential Conflicts of Interest submitted by authors are always provided with the online version of the article.

Copyright © 2014 by The Journal of Bone and Joint Surgery, Inc.
JBJS Essential Surgical Techniques, 2014 Jan 22;4(1):1-6. doi: 10.2106/JBJS.ST.M.00062
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Extract

Overview
Introduction

The Compass Knee Hinge can be a useful part of the treatment regimen for highly unstable knee dislocations.

Step 1: Initial Alignment of Wires

Make sure to place the centering wire at the isometric point of the knee.

Step 2: Placement of the Compass Knee Hinge

Take the necessary steps to place the Compass Knee Hinge over the wire.

Step 3: Application of the Compass Knee Hinge with Concurrent Procedures

If repair or reconstruction of either the posteromedial or the posterolateral corner is part of the planned surgical procedure, place the centering wire prior to the repair or reconstruction of the injured corner.

Step 4: Postoperative Protocol

Postoperatively, use progressive protocols to enable the patient to regain knee motion following the application of the hinge.

Results

The above technique was used to treat fifty-five patients with a total of fifty-six knee dislocations who had various concurrent ligamentous reconstructions14.

Indications

Contraindications

Pitfalls & Challenges

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    Accreditation Statement
    These activities have been planned and implemented in accordance with the Essential Areas and policies of the Accreditation Council for Continuing Medical Education (ACCME) through the joint sponsorship of the American Academy of Orthopaedic Surgeons and The Journal of Bone and Joint Surgery, Inc. The American Academy of Orthopaedic Surgeons is accredited by the ACCME to provide continuing medical education for physicians.
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