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When severe arthritis, instability, or deformity cannot be controlled with a nonsurgical approach, a surgeon may choose to fuse one or all of the three joints in the back of the foot (the talonavicular, subtalar, and calcaneocuboid). Acutrak screw technology may be advantageous for these fusions because a headless compression screw is designed to minimize soft tissue irritation.

Compression: Gained and Retained

Maintains the highest amount of retained compression after cyclic loading compared to AO and Herbert screws in cadaveric and synthetic bone material1

Acutrak technology has a wider window of compression, which is less sensitive to stripping the bone and more flexible in its placement for reaching a maximum amount of compression.

Better Resistance to Rotation

A biomechanical study regarding subtalar fusion found that using two Acutrak 2—7.5 mm screws offered better resistance to rotation in subtalar fusions than two conventional lag screws2
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Higher Torsional Stiffness

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The two Acutrak 2—7.5 mm screws showed higher torsional stiffness in a biomechanical test compared to that previously reported with two conventional lag screws2

Videos

Triple Arthrodesis Cadaveric Lab with Nicholas Abidi, MD
A triple arthodesis fusing the talonavicular, subtalar, and calcaneocuboid joints is performed using Large Acutrak 2 4.7 and 7.5 screws. The rationale for the use of the screws, radiographic evidence, and surgical steps are provided.

Acutrak 2 Headless Compression Screw System Overview

This animated overview of the Acutrak 2 Headless Compression Screw System illustrates how the system is designed to treat fractures, fusions, and osteotomies of the upper and lower extremities.

Surgical Technique Overview

Triple Arthrodesis Fracture
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Triple Arthrodesis
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Explore the Supplemental Use Guide

Supplemental Use Guide — Triple Arthrodesis Fracture

 

Acutrak 2 Headless Compression Screw System – 4.7 mm & 7.5 mm

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The Acumed Acutrak 2 - 4.7 and 7.5 are part of the latest evolution in fully-threaded headless screw fixation. With instrumentation designed to simplify the surgical technique, the Acutrak 2 screws are composed of unique size options to fit a wide variety of applications throughout the body. Besides Triple Arthrodesis fractures, this includes:

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Explore the full Acutrak 2 family

Acumed - Who We Are

 
We are a company on a mission to “aid the afflicted through the ingenuity of our minds, the labor of our hands, and the compassion of our hearts.” We support surgeons and health care providers who treat patients in their times of need.
Together, we can improve patient outcomes and quality of life. We are proud of our long-standing reputation of innovation and differentiation. Randy and Mary Huebner founded our company based on a belief system rooted in customer engagement. Our goal: to provide innovative solutions to meet the needs of the whole health care community, including patients, health care professionals, and health care entities.

1. Wheeler DL, McLoughlin SW. Biomechanical assessment of compression screws. Clin Orthop Relat Res.1998;350:237–245

2. Riedl M, Glisson RR, Matsumoto T, Hofstaetter SG, Easley ME. Torsional stiffness after subtalar arthrodesis using second generation headless compression screws: Biomechanical comparison of 2-screw and 3-screw fixation. Clin Biomech. 2017;45:32–37.