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Is There A Difference in Bone Ingrowth in Modular Versus …

Revision operative reports were reviewed to verify the reason for revision and if loosening was noted by the treating surgeon. ... After scaling, the amount of bone in the porous tantalum modular trays (4.0%) is lower than the sintered titanium mesh (4.3%), but higher than the cancellous-structured titanium (3.1%) and sintered beads (2.4%). The ...

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Loosening After Acetabular Revision: Comparison of

The best method of revision acetabular arthroplasty remains unclear. Consequently, we reviewed the literature on the treatment of revision acetabular arthroplasty using revision rings (1541 cases; mean follow-up (FU) 5.7 years) and Trabecular Metal, or TM, implants (1959 cases; mean FU 3.7 years) to determine if a …

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Application of a novel porous tantalum implant in rabbit ant

ompatibility and osteocompatibility. Methods Bone marrow-derived mesenchymal stem cells (BMSCs) were cultured on porous tantalum implant. Scanning electron microscope (SEM) and Cell Counting Kit-8 assay were used to evaluate the cell toxicity and biocompatibility. Twenty-four rabbits were performed discectomy only …

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Trabecular Metal® Acetabular Revision System

The Zimmer Biomet Trabecular Metal Acetabular Revision System (TMARS) combines clinically proven Trabecular Metal Technology 1–3 with the ability to tailor individualized solutions for each patient. From simple to complex revision arthroplasty, this combination sets the standards for acetabular reconstruction.

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An alternative treatment option for Paprosky Type IIIb acetabular

The modular use of tantalum wedges allows an individual adaption to the presenting bone stock deficiency and therefore provides an effective tool for the reconstruction of extensive acetabular defects. ... Ge M., Kendoff D. Acetabular revision in THA using tantalum augments combined with impaction bone grafting. Hip …

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Histological ex vivo analysis of retrieved human tantalum …

The characteristics of tantalum augment osseointegration in human ex vivo specimens from re-revision procedures are unknown and limited data in this regard is available. ... 7200 VLC (Heraeus Kulzer, Werheim Ts, Germany), which is regularly used, was not suitable for the dark and large-pored modular tantalum augmentations due to …

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Multicup reconstruction technique for the management of severe

After impacting a TM revision shell, a smaller porous cup was cemented into the shell combined with a modular liner to reconstruct the COR of the hip ... B The medial TM tantalum revision shell was implanted into the medial defect with multiple screws to serve as upgraded-augment or the foundation for the following porous cups.

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Modular Tantalum Augments for Acetabular Defects in …

Intraoperatively, the cup-augment construct was fully ingrown. Two of the 34 patients had clinical and radiological loose acetabular shells and underwent further revision ( Table 1 …

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Modular Porous Metal Augments for Treatment of Severe Acetab

Modular metal prosthetic augments have been used for several decades for treatment of bone deficiency during revision knee arthroplasty. 28 A new acetabular reconstructive technique has been developed with the use of modular metal augments using a novel biomaterial of porous tantalum (Trabecular Metal; Fig 1A). 3,7,9 These porous metal ...

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Porous tantalum shell and augment for acetabular defect

Methods: Eighty-four patients (85 hips) underwent revision total hip arthroplasty with use of porous tantalum augments between 2000 and 2007 at a single institution and were retrospectively reviewed.

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Tantalum Augments Combined with Antiprotrusio Cages for …

The use of highly porous acetabular components combined with modular highly porous acetabular augments has gained recent attention during revision surgery, ... The indications for revision with the tantalum augment-antiprotrusio cage combination were aseptic cup loosening in 14 (70%) cases and the second stage of a 2-stage …

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Treatment of Bone Losses in Revision Total Hip and Knee

Revision Total Knee or Hip Arthroplasty is challenging procedures for surgeons usually characterized by bone loss. There are different options available to treat those bone losses. However, there is still a concern on the stability of bone-implant interface, which is mandatory to achieve good long-term results in prosthetic implants. Recently, porous …

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Modular augmentation in revision total knee arthroplasty

Keywords Knee arthroplasty Revision Bone loss Modular augmentation Tantalum Introduction The greatest challenge during revision total knee arthro-plasty (TKA) is the management of bone loss that could affect the functionality and final survival of the knee joint reconstructions [33]. The variability in size and location of

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Mechanical stability of novel highly porous metal acetabular

There was no difference in mechanical stability between the rigid modular tantalum shell and the more flexible revision tantalum shell (P > .46). In acetabular revision, highly porous tantalum acetabular components provide superior mechanical stability. However, these results suggest that improved frictional resistance is a more important ...

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Zimmer Trabecular Metal Acetabular Revision System (TMARS)

arthroplasties using porous tantalum modular acetabular components: 5-year follow-up of clinical trial." Modern Rheumatology. 2013;23(1):112-118. 21. Simon, Jean-Pierre and …

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Mechanical Stability of Novel Highly Porous Metal

The highly porous tantalum implants were of 2 different designs: (1) a more rigid modular design with an inner titanium core (Trilogy Trabecular Metal Modular, Zimmer Inc) and (2) a nonmodular revision design composed entirely of porous tantalum with an attached peripheral titanium ring to facilitate insertion (Trabecular Metal Revision, …

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Mid-term outcomes of tantalum cup– a single centre study

The cementless acetabular implants are commonly used in primary and revision hip arthroplasty. Reconstruction of acetabulum in case of bone defects can be challenging. The aims of this single center study are to review the mid-term outcomes of porous tantalum cups (TM) and evaluate complications. The midterm outcome of a …

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Three-Dimensional Models in Planning of Revision Hip …

In revision cases, massive acetabular osteolysis with Paprosky IIC, IIIA, and IIIB defects usually can be found. Perhaps, one of the most difficult problems is ... Duncan CP, Masri BA, Kim WY, Garbuz DS. Modular tantalum augments for acetabular defects in revision hip arthroplasty. Clin Orthop Relat Res. 2009; 467:199–205. [PMC free article ...

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The Use of Porous Tantalum Augments for the Reconstruction of

The management of severe acetabular bone defects in revision hip arthroplasty using modular porous metal components. J Bone Joint Surg Br. 2009; 91: ... Mid-term clinical and radiographic outcomes of porous tantalum modular acetabular components for hip dysplasia. J Arthroplasty. 2015; 30: 607-610.

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Feasibility and preliminary efficacy of tantalum components in the

Excellent results have been achieved with modular porous tantalum shells in revision THAs, with or without the use of tantalum augments or buttresses in a mid-term to long-term follow-up period [10, 11]. Therefore, the superiority of tantalum components could theoretically solve the weaknesses of the hemi-pelvic endoprostheses in other …

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Modular revision strategy with bispherical augments in severe

Purpose Reconstruction of severe acetabular deficiency is extremely challenging in total hip arthroplasty (THA) revisions. Novel bispherical augments were designed to fill acetabular bone loss and facilitate restoration of hip center of rotation (HCOR). Current study aims to compare the outcomes of bispherical augments and …

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The Use of Tantalum Porous Metal Implants for Paprosky 3A and …

These revisions included 33 Paprosky type 3A defects, involving 30% to 50% of host acetabulum loss, and 10 type 3B defects, having similar or greater bone loss with a pelvic discontinuity. Tantulum acetabular modular augments were used in 26 cases to support the shell. At a mean of 2.8 years' follow-up, 42 components were stable, and 1 …

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Is There A Difference in Bone Ingrowth in Modular Versus …

Bobyn et al [4] found between 17% and 25% bone ingrowth into the pores of a tantalum coated acetabular component in a canine model. Conversely, Hanzlik et al [14] found only about 4% BVF within the pores of 10 tantalum coated acetabular components retrieved from total hip patients undergoing revision surgery [9], similar to their later …

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Trabecular Metal Acetabular Revision System

Hip Arthroplasties Using Porous Tantalum Modular Acetabular Components: 5-Year Follow-up of Clinical Trial. Modern Rheumatology. 23(1): 112–118, 2013. 9. Simon, J.P., et al. Clinical and Radiological Evaluation of Modular Trabecular Metal Acetabular Cups- Short-Term Results in 64 Hips. Acta Orthop Belg. 75: 623–630, 2009. 10.

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Revision Total Hip Arthroplasty for Paprosky Type III

The use of a structural allograft combined with a tantalum trabecular metal acetabular cup in acetabular revision for Paprosky type III defects had a satisfactory mid-term clinical result. This is a viable option for patients with large acetabular shelf defects. [Orthopedics. 2018; 41(6):e861–e867.]

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Metaphyseal Sleeves and Cones in Revision Total Knee Arthroplasty

Meneghini et al. [] studied porous tantalum metaphyseal cones (Trabecular Metal [TM]; Zimmer; Warsaw, Indiana) in 15 patients (eight females, seven males; mean age 68 years) undergoing revision TKA (Fig. 10.2).The patients had an average of 3.5 prior total knee replacement procedures, and classification of tibial bone loss, assessed …

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Does the Risk of Rerevision Vary Between Porous Tantalum …

The use of a porous tantalum cup for revision also did not decrease risk of a rerevision resulting from infection, compared with the uncemented cup control group. ... Duncan CP, Masri BA, Kim WY, Garbuz DS. Modular tantalum augments for acetabular defects in revision hip arthroplasty. Clin Orthop Relat Res. 2009; 467:199–205. doi: …

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Feasibility and preliminary efficacy of tantalum …

Excellent results have been achieved with modular porous tantalum shells in revision THAs, with or without the use of tantalum augments or buttresses in a mid …

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NexGen® Rotating Hinge Knee | Zimmer Biomet

Trabecular Metal Tibial and Femoral Cones, made from clinically proven 2-4 Trabecular Metal Technology, are available in multiple shapes and sizes. *The Zimmer Biomet NexGen Trabecular Metal Tibial and Femoral Cones are for use only with the NexGen Complete Knee Solution System. When used with the RH Knee System, the Trabecular Metal …

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Can porous tantalum acetabular cups and augments restore the …

A) The tantalum augment is fixed with two screws and bone defect is filled with morcellised bone graft. B) Cement is used between augment and cup to avoid fretting. C) The tantalum cup is pressed-fit and the polyethilene liner is cemented inside the cup. D) Fuoroscopy shows good fit of the trial cup after tantalum augment fixation.

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