Trabecular Metal™ Technology
A Particular, Highly Porous Biomaterial
Trabecular Metal Material is made from elemental tantalum with structural, functional, and physiological properties similar to that of bone.1 The material features a 100% open, engineered and interconnected pore structure to support biological fixation and vascularization.1,2 The material has over 20 years of demonstrated clinical use in a variety of orthopaedic applications.3-5
The performance of specific components in human subjects has been well-documented in peer-reviewed journal articles, poster exhibits and abstracts. Independent studies have confirmed the structural and mechanical properties of Trabecular Metal material.1-4
- Made from commercially pure elemental tantalum and designed to withstand physiologic loads.1
100% open engineered and interconnected pore structure to support biological fixation and vascularization.1,2
- Up to 80% porosity.1
Low modulus of elasticity similar to cancellous bone for more normal physiological loading which has the potential to reduce stress shielding when used in a monoblock or monolithic application.3
High coefficient of friction vs. cancellous bone for stable initial fixation.3
- Chemically stable and biocompatible material which creates little adverse biological response.6
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- Bobyn JD, Hacking SA, Chan SP, et al. Characterization
of new porous tantalum biomaterial for reconstructive orthopaedics.
Scientific Exhibition: 66th Annual Meeting of the American Academy
of Orthopaedic Surgeons; 1999; Anaheim, CA.
- Karageorgiou V, Kaplan D. Porosity of biomaterial scaffolds and osteogenesis. Biomaterials. 2005; 26:5474-5491.
Y, Ahn PB, Fitzpatrick DC, Heiner A, Poggie RA, Brown TD,
Interfacial frictional behavior; cancellous bone, cortical bone, and
a novel porous tantalum biomaterial. Journal Musculoskeletal
- JD Bobyn, GJ Stackpool, SA Hacking,
M Tanzer, JJ Krygier, Characteristics of Bone In-Growth and
Interface Mechanics of a New Porous Tantalum Biomaterial, The
Journal of Bone and Joint Surgery (British Version), Sept, 1999,
81-B No. 5 pp 907-914.
- A Shirazi-Adl, M Dammak,
G Paiement, "Experimental determination of friction
characteristics at the Trabecular bone / porous-coated metal
interface in Cementless implants", the Journal of Biomedical
Research, Vol 27, 1993, pp 167-175.
- Black J.
Biological performance of tantalum. Clinical
- ZRR_WA_2870_14 Biological Evaluation of Implantable Devices Manufactured using Trabecular Metal.