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Related Concept Videos

Wedges

Wedges

A wedge is a simple machine that serves various purposes, such as adjusting the elevation of structural or mechanical parts, providing stability for heavy objects, and splitting a body into two parts. This versatile tool can amplify an applied force, making it easier to manipulate large or heavy objects.
Consider using a wedge to lift a heavy slab. Here, the wedge functions by converting the applied force into a much larger force directed almost perpendicular to the initial force. This...

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Related Experiment Video

Updated: Dec 7, 2025

Treatment with Locking Intramedullary Nailing for Intertrochanteric Fracture of the Femur Utilizing a New Awl with a Distal Positioner

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Evaluation of a Fixed-Angle Wedge Osteotomy Guide.

Katherine M Neal¹, Steven W Frederick¹, Matthew R Corse²

¹BluePearl Veterinary Partners, Sandy Springs, Georgia, United States.

Veterinary and Comparative Orthopaedics and Traumatology : V.C.O.T

|September 24, 2020

Summary

A new surgical wedge guide effectively creates accurate closing wedge osteotomies, improving precision in tibial surgery. This tool ensures consistent results, regardless of surgeon experience, validating its use in orthopedic procedures.

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Area of Science:

Orthopedic surgery
Surgical technique innovation
Biomechanical analysis

Background:

Wedge osteotomies are crucial for correcting limb deformities.
Achieving accurate and coplanar osteotomies can be challenging.
Standardized surgical guides may improve procedural consistency.

Purpose of the Study:

To evaluate a novel fixed-angle cutting guide for proximal tibial cranial closing wedge osteotomies.
To assess the guide's impact on osteotomy accuracy and coplanarity.
To determine if surgeon experience affects the guide's efficacy.

Main Methods:

Canine tibia models underwent 30-degree cranial closing wedge osteotomies.
Procedures were performed using a standard template (method T) or a wedge osteotomy guide (method G).
Two surgeons, one experienced and one novice with the guide, performed the osteotomies. Osteotomy accuracy was measured using digital protractors and photographs.

Main Results:

Both methods produced comparable wedge angles and coplanarity between surgeons.
The wedge osteotomy guide (method G) resulted in mean wedge angles significantly closer to the target reference angles (p < 0.01).
Surgeon experience did not significantly impact the accuracy or coplanarity of the osteotomies with either method.

Conclusions:

A fixed-angle surgical wedge guide facilitates consistent and accurate closing wedge osteotomies.
The guide's effectiveness is independent of the surgeon's experience level.
This tool represents a valid and reliable method for performing wedge osteotomies.