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Trabecular Metal ™Glenoid

Trabecular  Metal ™Glenoid

Trabecular Metal ™Glenoid

Product catalog summary
Introduction
The Trabecular Metal™ Glenoid is designed as a natural solution for glenoid fixation, offering initial stability comparable to an all-polyethylene cemented glenoid. It is engineered for strength, stability, and longevity, aiming to facilitate long-term survivorship.
Material and Design
The component utilizes Trabecular Metal™ Material, known for its high friction coefficient, strength, and flexibility, which provides initial stability. Its osteoconductive properties support vascularization, promoting normal bone formation and maintenance.
Stability and Strength Testing
Stability tests show that the Trabecular Metal Glenoid maintains stability over 100, 3,600, and 100,000 cycles. Post-cyclic shear strength exceeds performance requirements, with strength results being 3.5 times the test benchmark. Finite element analysis indicates that contact stresses are equivalent or lower than those of a solid metal-backed glenoid.
Compatibility and Performance
The glenoid is compatible with both Bigliani/Flatow and Trabecular Metal Humeral stems and heads. It combines the heritage of the Bigliani/Flatow shoulder system with the innovation of Trabecular Metal Material. The variable conformity of the glenoid articular surface reduces edge loading and polyethylene wear, ensuring joint stability through a range of motion.
Biologic Ingrowth
Trabecular Metal properties include up to 80% porosity with open pores that promote biologic ingrowth, vascularization, osteoconductivity, and the promotion of normal glenoid bone biology.
Conclusion
The Trabecular Metal Glenoid offers a robust solution for glenoid fixation, combining proven design with innovative materials to enhance long-term performance and survivorship.
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Catalog excerpts

Trabecular  Metal ™Glenoid-1

Trabecular Metal™ Glenoid The Natural Solution to Glenoid Fixation

 Open the catalog to page 1
Trabecular  Metal ™Glenoid-2

Designed for strength, stability and longevity. Zimmer offers surgeons the first glenoid component to hold the hope of enduring fixation. The high friction coefficient of Trabecular Metal™ Material plus strength and flexibility provide initial stability. Trabecular Metal Material’s osteoconductive properties support vascularization1 that allows for more normal bone formation and maintenance. Strength and stability designed to facilitate long-term survivorship Strength and flexibility to distribute contact forces Strength Testing Results Post - cyclic shear strength Initial stability comparable...

 Open the catalog to page 2
Trabecular  Metal ™Glenoid-3

Combines the proven heritage of the Bigliani/Flatow shoulder system with the innovation of Trabecular Metal Material Compatible with both Bigliani/Flatow and Trabecular Metal Humeral stems and heads Variable conformity of glenoid articular surface: • Reduces the likelihood of edge loading (“rocking horse” effect) and polyethylene wear • Joint stability through range of motion The variable-conformity articular surface “behaves similarly to the natural joint” and may “control rim loading under 3 eccentric loads when compared with a conforming glenoid.” Trabecular Metal Humeral Stem Bigliani/Flatow...

 Open the catalog to page 3
Trabecular  Metal ™Glenoid-4

Strength and stability designed to facilitate long-term survivorship Combines the proven heritage of the Bigliani/Flatow shoulder system with the innovation of Trabecular Metal Material 1. Karageorgion, V. and Kablan, D. “Porosity of 3D Biomaterial Scaffolds and Osteogenesis” Biomaterials, 26(27):5474-91, September 2005 2. Mroczkowski, M. “Performance Evaluation of the Trabecular Metal Glenoid” 2009. 3. Wang et al. Biomechanical evaluation of a novel glenoid design in total shoulder arthroplasty. J Shoulder Elbow Surg 2005;14:129S-140S. 4. Data on file at Zimmer. Contact your Zimmer representative...

 Open the catalog to page 4

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