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Zimmer® Trabecular Metal? CR/LPS Monoblock Tibia

Zimmer® Trabecular Metal? CR/LPS Monoblock Tibia

Product catalog summary

Introduction
The document discusses the Zimmer® Trabecular Metal™ Monoblock Tibial Components, highlighting their use in cementless total knee arthroplasty (TKA). The Trabecular Metal material is designed to mimic trabecular bone in structure and weight-bearing characteristics, 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 design minimizes stress shielding and provides more normal physiological loading.

Porosity and Stability
The material features 75-80% porosity with fully interconnected pores, allowing for two to three times greater bone ingrowth compared to conventional coatings. This high porosity also doubles the interface shear strength and increases initial implant stability due to higher friction.

Compatibility and Design
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 Fixation
Direct compression molding of polyethylene into Trabecular Metal eliminates backside wear. Initial stability is achieved through press-fit pegs that engage bone, ensuring secure fixation.

Product Range
The document lists various product numbers and descriptions for different sizes and configurations of the Trabecular Metal Monoblock LPS and CR Tibial Implants, indicating a wide range of options for different patient needs.

References
The document cites multiple studies and presentations that support the efficacy and characteristics of the Trabecular Metal material in orthopaedic applications.

Catalog excerpts

Zimmer® Trabecular Metal? CR/LPS Monoblock Tibia-1

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

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Zimmer® Trabecular Metal? CR/LPS Monoblock Tibia-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...

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Zimmer® Trabecular Metal? CR/LPS Monoblock Tibia-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...

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Zimmer® Trabecular Metal? CR/LPS Monoblock Tibia-4

Description Trabecular Metal Monoblock LPS Implant Set (Includes 1 each of the items listed below) Trabecular Metal Monoblock LPS Tibia, Yellow, Size 3 C/D, 10mm Trabecular Metal Monoblock LPS Tibia, Yellow, Size 3 C/D, 12mm Trabecular Metal Monoblock LPS Tibia, Yellow, Size 3 C/D, 14mm Trabecular Metal Monoblock LPS Tibia, Yellow, Size 3 C/D, 17mm Trabecular Metal Monoblock LPS Tibia, Yellow, Size 4 C/D, 10mm Trabecular Metal Monoblock LPS Tibia, Yellow, Size 4 C/D, 12mm Trabecular Metal Monoblock LPS Tibia, Yellow, Size 4 C/D, 14mm Trabecular Metal Monoblock LPS Tibia, Yellow, Size 4 C/D, 17mm...

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