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porous tantalum use

  • Use of porous tantalum metaphyseal cones for severe tibial ...

    T1 - Use of porous tantalum metaphyseal cones for severe tibial bone loss during revision total knee replacement. AU - Meneghini, R. Michael. AU - Lewallen, David G. AU - Hanssen, Arlen D. PY - 2008/1. Y1 - 2008/1. N2 - Background: The best treatment method for large tibial bone defects during revision knee replacement has not been established.


  • A single centre study of 41 cases on the use of porous ...

    RESEARCH ARTICLE Open Access A single centre study of 41 cases on the use of porous tantalum metal implants in acetabular revision surgery Christoph Theil*†, Tom Schmidt-Braekling†, Georg Gosheger, Burkhard Moellenbeck, Jan Schwarze and Ralf Dieckmann


  • Biocompatibility and osteogenic properties of porous tantalum

    Jan 23, 2015· Porous tantalum has been reported to be a promising material for use in bone tissue engineering. In the present study, the biocompatibility and osteogenic properties of porous tantalum were studied in vitro and in vivo. The morphology of porous tantalum was observed using scanning electron microscopy (SEM).


  • (PDF) Porous tantalum and tantalum oxide nanoparticles for ...

    The unique bone-mimicking properties of porous tantalum enabled the use of tantalum as a material for bulk implants, and not only for coatings, as is the case with other porous metals. Moreover, porous tantalum also facilitates the ingrowth of soft tissue, including the formation of blood vessels that were found to assemble on the surface and ...


  • Osseous integration in porous tantalum implants

    Porous tantalum is a biomaterial that was recently introduced in orthopedics in order to overcome problems related to implant loosening. It is found to have osteoconductive, and possibly, osteoinductive properties hence useful in difficult cases with severe bone defects. So, it is of great interest ...


  • Porous tantalum and tantalum oxide nanoparticles for ...

    unique bone-mimicking properties of porous tantalum enabled the use of tantalum as a material for bulk implants, and not only for coatings, as is the case with other porous metals. Moreover, porous tantalum also facilitates the ingrowth of soft


  • The Use of Porous Tantalum Augments for the Reconstruction ...

    Porous tantalum augments combined with titanium shells lead to satisfactory clinical and radiographic outcomes for the reconstruction of acetabular defect in primary THA at a mean 5.1 years of follow-up. This approach confers anatomical cup placement, simple operation, and a high rate of stable fixation.


  • Use of Porous Tantalum Metaphyseal Cones for Severe Tibial ...

    METHODS: Porous tantalum metaphyseal cones were implanted during fifteen revision total knee replacements in eight women and seven men who had an average age of 68.1 years at the time of the procedure. The patients had had an average of 3.5 prior total knee replacements.


  • The Use of Porous Tantalum in Complex Acetabular Revisions

    Revision Acetabulum Treatment Options: The Use of Porous Tantalum in Complex Acetabular Revisions Charles Secretan, M.D., FRCSC Guy Lavoie, M.D., FRCSC. Despite the success of primary total hip arthroplasty (THA), the absolute number of patients requiring revision surgery is increasing due to the broadening indications and the increasing number of THAs being performed.


  • Bone response to porous tantalum implants in a gap‐healing ...

    Jan 12, 2019· Implants containing porous tantalum demonstrated increased peri‐implant bone formation within this gap‐healing model as shown by significant differences in biomechanical and histomorphometric outcomes. Such implants may represent an alternative to influence bone healing in surgical sites with an existing gap.


  • Use of Porous Tantalum Metaphyseal Cones for Severe Tibial ...

    Methods: Porous tantalum metaphyseal cones were implanted during fifteen revision total knee replacements in eight women and seven men who had an average age of 68.1 years at the time of the procedure. The patients had had an average of 3.5 prior total knee replacements.


  • Use of Porous Tantalum for Acetabular Reconstruction in ...

    Over the past decade, porous tantalum has emerged as a powerful tool for reconstruction of the failed acetabular component. The increased porosity, high coefficient of friction, and favorable elastic modulus of porous tantalum compared with traditional titanium mesh or cobalt chromium ...


  • Metaphyseal Sleeves and Cones in Revision Total Knee ...

    The surgical technique for porous tantalum metaphyseal cones has previously been described [8, 27, 43, 44].Once the surgeon has decided to use a metaphyseal cone, a trial intramedullary stem or reamer may be used to create the appropriate positioning of the cone.


  • Trabecular Metal™ Technology | Zimmer Biomet

    Zimmer Biomet's Trabecular Metal Material is a unique, highly porous biomaterial made from elemental tantalum with structural, functional, and physiological properties similar to that of bone. 1 The material features a open, engineered and interconnected pore structure to support bony in-growth and vascularization. 1,2 The material has over 20 years of demonstrated clinical use in a ...


  • 360-Degree Complex Primary Reconstruction Using Porous ...

    The use of porous tantalum cages as part of a 360-degree fusion to treat adult degenerative spinal deformity has been demonstrated to be a safe and effective strategy, leading to good clinical, functional, and radiographic outcomes in the short term.


  • Tantalum Facts, Symbol, Discovery, Properties, Uses

    In fact, some clinical trials have also suggested the use of porous tantalum as a safe orthopedic and dental implant [7, 12] Tantalum increases the strength, ductility, and melting point of alloys used in turbine blades, and rocket nozzles and nose caps of supersonic aircraft [1]. It is often used as an electrode in neon lights [1].


  • The Stability of the Porous Tantalum Components Used in ...

    Conclusions: As measured with use of RSA, the majority of porous tantalum acetabular components used in a revision THA to treat severe acetabular defects had acceptable early migration. This predicts good long-term survivorship of these components. The use of inferior screws further improved acetabular component fixation.


  • Technology of Porous Tantalum Production - scirp.org

    Ion-plasma sputtering and codeposition of ultrafine Ta and Cd particles on a moving substrate were used to prepare the solid solutions, in particular, the alloys with up to 66.2 at.% Cd in the form of coatings. In vacuum heat treatment cadmium evaporates at 700°C from cadmium based solid solutions resulting in formation of a porous tantalum with a highly developed surface.


  • The Use of Tantalum Metal in Foot and Ankle Surgery ...

    Porous tantalum, manufactured for use in orthopedic applications, has a porosity of 80% and pore size ranging from 400 to 600 μm. 44 x 44 Bobyn, J.D., Stackpool, G.J., Hacking, S.A. et al. Characteristics of bone ingrowth and interface mechanics of a new porous tantalum biomaterial.


  • A single centre study of 41 cases on the use of porous ...

    This study aims at investigating cup survival of porous tantalum revision cups and identifies risk factors for failure. We retrospectively reviewed 41 patients treated between 2010 and 2012. Main indications were aseptic loosening in 83% and two-stage exchange after periprosthetic joint infection in 17% of cases. Mean follow-up period was 72 months.


  • Use of Porous Tantalum Metaphyseal Cones for Severe Tibial ...

    Introduction: The use of porous tantalum metaphyseal cones provides reliable metaphyseal support and fixation to help restore the joint line in difficult revision total knee arthroplasties (TKAs ...


  • Use of Porous Tantalum for Acetabular Reconstruction in ...

    Request PDF on ResearchGate | Use of Porous Tantalum for Acetabular Reconstruction in Revision Hip Arthroplasty | Over the past decade, porous tantalum has emerged as a powerful tool for ...


  • Zimmer Trabecular Metal Acetabular Revision System (TMARS ...

    For surgeons who want to treat acetabular defects,1 the Trabecular Metal Acetabular Revision System (TMARS) is easy to use, durable and utilizes proven Trabecular Metal Technology with clinical history of 17+ years.19-21 It addresses the need for initial stability and long term


  • Tantalum - Wikipedia

    The high stiffness of tantalum makes it necessary to use it as highly porous foam or scaffold with lower stiffness for hip replacement implants to avoid stress shielding. Because tantalum is a non-ferrous, non-magnetic metal, these implants are considered to be acceptable for patients undergoing MRI procedures.


  • Use of porous tantalum components in Paprosky two and ...

    Oct 21, 2016· We retrospectively reviewed 51 consecutive patients (51 hips) who had an acetabular revision using porous tantalum components at a minimum follow-up of five years. The mean age was 64 years (range, 31–87). There were 27 males and 24 females, 47 right hips and four left hips. Twenty-five (49 %) included a femoral revision.


  • Springback Characteristics of a Porous Tantalum Sheet ...

    Dec 21, 2011· This study examines the elastic recovery (springback) of a porous tantalum foam after sheet forming operations. The foam and sheet-like form is applicable to bone ingrowth surfaces on orthopedic implants and is desirable due to its combination of high strength, low relative density, and excellent osteoconductive properties.


  • Chinese Hospital Uses 3D Printed Tantalum Implant in ...

    Chinese Hospital Uses 3D Printed Tantalum Implant in Successful Knee Replacement Surgery. ... while porous tantalum is more often used to 3D print patient-specific implants for spinal implants ...


  • Fabrication Methods of Porous Tantalum Metal Implants for ...

    Tantalum has excellent biocompatibility and is safe to use in vivo as evidenced by its historical and current use in pacemaker electrodes, cranioplasty plates and as radiopaque markers. The bioactivity and biocompatibility of porous tantalum stems from its ability to form a self-passivating surface oxide layer.


  • Biocompatible Porous Tantalum Metal Plates in the ...

    Porous tantalum metal plates have great application potential as a new implant material for internal fixation. Introduction. Tibial fractures are generally caused by high‐energy injuries, and the incidence rate is 16.9/100 000 1. Moreover, nonunion and malunion account for 2%–12% of all fractures of the tibia 2.


  • Porous Tantalum Cones for Large Metaphyseal Tibial Defects ...

    ment to porous tantalum structures [24]. Multiple studies examining the use of porous tantalum acetabular cups in hip reconstruction have been published [25-27] and presented [28]. Porous acetabular augments have been designed and used as an alternative to allograft bone reconstruction for large acetabular defects [29,30].Theyhaveall


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