- A porous tantalum trabecular metal: basic science.
A porous tantalum trabecular metal: basic science.
American journal of orthopedics (Belle Mead, N.J.) (2002-05-15)
Robert Cohen
PMID12008853
RESUMEN
Conventional materials used for orthopedic reconstruction implants limit the design of new and improved implants. Solid metal is rigid. Porous fixation surfaces have low volumetric porosity available for biologic ingrowth and low frictional characteristics for initial implant stability and have to be bonded to solid-metal substrates. New porous structural biomaterials have been developed to help advance the current generation of prostheses and address unresolved clinical applications. Tantalum trabecular metal offers several advantages over other current conventional materials used for implants by its uniformity and structural continuity, strength, low stiffness, high porosity, and high coefficient of friction.
MATERIALES
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Tantalum, foil, 50x50mm, thickness 0.5mm, annealed, 99.9%
Tantalum, foil, 100x100mm, thickness 1.0mm, annealed, 99.9%
Tantalum, foil, 100x100mm, thickness 0.25mm, annealed, 99.9%
Tantalum, foil, light tested, 150x150mm, thickness 0.05mm, annealed, 99.9%
Tantalum, mesh, 100x100mm, nominal aperture 0.43mm, wire diameter 0.075mm, 50x50 wires/inch, open area 72%, plain weave mesh
Tantalum, rod, 100mm, diameter 1.0mm, 99.9%
Tantalum, foil, 100x100mm, thickness 0.100mm, annealed, 99.9%
Tantalum, mesh, 40x40mm, nominal aperture 0.43mm, wire diameter 0.075mm, 50x50 wires/inch, open area 72%, plain weave mesh
Tantalum, sphere, 100pcs, diameter 1.0mm, precision sphere grade, 99.9%
Tantalum, tube, 100mm, outside diameter 7.0mm, inside diameter 6.7mm, wall thickness 0.15mm, as drawn, 99.9%
Tantalum, foil, 100x100mm, thickness 0.125mm, annealed, 99.9%
Tantalum, foil, 50x50mm, thickness 6.0mm, 99.9%
Tantalum, pellets, 50g, max. size 10mm, 99.9%
Tantalum, foil, light tested, 100x100mm, thickness 0.025mm, as rolled, 99.9%
Tantalum, foil, 150x150mm, thickness 0.100mm, annealed, 99.9%
Tantalum, rod, 200mm, diameter 1.0mm, 99.9%
Tantalum, wire reel, 1m, diameter 0.8mm, annealed, 99.9%
Tantalum, wire, straight, 100mm, diameter 0.5mm, annealed, 99.9%
Tantalum, foil, light tested, 100x100mm, thickness 0.03mm, as rolled, 99.9%
Tantalum, foil, light tested, 100x100mm, thickness 0.05mm, annealed, 99.9%
Tantalum, foil, light tested, 25x25mm, thickness 0.034mm, as rolled, 99.9%