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Trabecular Metal™ Monoblock Tibial Components

Trabecular Metal™ Monoblock Tibial Components

Trabecular Metal™ Monoblock Tibial Components

Product catalog summary
Introduction
The document discusses the Zimmer® Trabecular Metal™ Monoblock Tibial Components, highlighting their use in cementless total knee arthroplasty (TKA). Trabecular Metal material is designed to mimic the cellular structure and weight-bearing characteristics of trabecular bone, promoting rapid bone infiltration.

Material Specifications
Trabecular Metal is the only metal in orthopaedics with elasticity similar to bone, offering a high strength-to-weight ratio and low modulus of elasticity. This helps in providing normal physiological loading and minimizing stress shielding. The material features 75-80% porosity, allowing for significant bone ingrowth and increased interface shear strength.

Design and Compatibility
The components are compatible with NexGen Cruciate Retaining (CR-Flex) and Legacy Posterior Stabilized (LPS-Flex) tibial articular surfaces. The design optimizes load transfer by combining high compressive strength with low stiffness, reducing stress shielding and lift-off.

Interface and Stability
The direct compression molding of polyethylene into Trabecular Metal eliminates backside wear. Initial stability is enhanced through press-fit pegs that engage bone, ensuring secure fixation.

Product Range
The document lists various sizes and configurations of the Trabecular Metal Monoblock LPS and CR Tibial Implants, indicating their availability in different colors and sizes to accommodate diverse patient needs.

Clinical and Research References
Several studies and clinical experiences are cited, demonstrating the effectiveness and stability of Trabecular Metal in orthopaedic applications. These references support the material's characteristics and its performance in clinical settings.

Conclusion
The Trabecular Metal Monoblock Tibial Components represent a significant advancement in cementless TKA, offering bone-like elasticity, high porosity for bone ingrowth, and enhanced stability, making them a preferred choice in orthopaedic surgeries.
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Catalog excerpts

Trabecular Metal™ Monoblock Tibial Components-1

Zimmer ® Trabecular Metal™ Monoblock Tibial Components Setting a New Gold Standard in Cementless TKA

 Open the catalog to page 1
Trabecular Metal™ Monoblock Tibial Components-2

The Best Thing Next to Bone™ Trabecular Metal ™ material resembles trabecular bone in its cellular structure and weight-bearing characteristics. By approximating the mechanical and physical properties of bone, Trabecular Metal material enables rapid and extensive bone infiltration.1,2 Clinical experience in thousands of cases has proven the versatility of Trabecular Metal Technology in diverse orthopaedic applications. 75-80% Porosity • High Friction & Stability • Bone Matched Elasticity 75-80% Porosity Bone Matched Elasticity Fully interconnected pores and high porosity allow approximately two...

 Open the catalog to page 2
Trabecular Metal™ Monoblock Tibial Components-3

Compatible with CR-Flex and LPS-Flex. NexGen Legacy Posterior Stabilized (LPS-Flex) Monoblock Tibia Trabecular Metal Monoblock Tibial Components combine the benefits of Trabecular Metal material with the geometries of the NexGen® Complete Knee Solution Cruciate Retaining (CR/CR-Flex) and NexGen Legacy® NexGen Cruciate Knee Posterior Stabilized (LPS/LPS-Flex) Retaining (CR-Flex) Tibial Articular Surfaces. Monoblock Tibia Secure Polyethylene/ Trabecular Metal Interface Direct compression molding of polyethylene into Trabecular Metal material eliminates the potential for backside wear.4 Designed...

 Open the catalog to page 3
Trabecular Metal™ Monoblock Tibial Components-4

00-5886-048-17 Trabecular Metal Monoblock CR Tibia, 6. Rawlinson, JJ, Wright, TM, Bartel, DL, “Finite Element Analysis of a Porous Tantalum Monoblock Tibia Compared with a Metal-Backed Tibial Component”, Presented at the 51st Annual ORS, Washington D.C., February, 2005. 7. RA Poggie and JE Wood, “Preliminary Clinical and Radio graphic Results of Porous Tantalum in Primary TKA”, IMECHE's Knee Arthroplasty: Engineering Functionality, April 7-9, 2005 Royal College of Surgeons, London, UK conference proceedings, pp 57-60. 8. Zhang Y, Ahn PB, Fitzpatrick DC, Heiner AD, Poggie RA, Brown, TD, “Interfacial...

 Open the catalog to page 4

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