The Influence of Head Material on Polyethylene Wear

2013 ◽  
pp. 97-104
Author(s):  
Ibrahim J. Raphael ◽  
Javad Parvizi ◽  
Richard H. Rothman
Keyword(s):  
Polyethylene Wear

Presentation of Gamma-Irradiated-in-Air Polyethylene Wear in the Form of a Synovial Cyst

2003 ◽  
Vol 13 (5) ◽  
pp. 413-418
Author(s):  
Bryan T. Edwards ◽  
Patrick B. Leach ◽  
R. Scott Corpe ◽  
Robert D. Zura ◽  
Timothy R. Young
Keyword(s):  
Polyethylene Wear ◽  
Synovial Cyst ◽  
Gamma Irradiated

scholarly journals Titanium-Nitride Coating of Orthopaedic Implants: A Review of the Literature

2015 ◽  
Vol 2015 ◽  
pp. 1-9 ◽  
Author(s):  
Ruud P. van Hove ◽  
Inger N. Sierevelt ◽  
Barend J. van Royen ◽  
Peter A. Nolte
Keyword(s):  
Titanium Nitride ◽  
Polyethylene Wear ◽  
Ultrahigh Molecular Weight Polyethylene ◽  
Coating Process ◽  
Orthopaedic Implant ◽  
Cohesive Failure ◽  
Orthopaedic Implants ◽  
Tin Coating ◽  
Titanium Nitride Coating ◽  
English Medical Literature

Surfaces of medical implants can be enhanced with the favorable properties of titanium-nitride (TiN). In a review of English medical literature, the effects of TiN-coating on orthopaedic implant material in preclinical studies were identified and the influence of these effects on the clinical outcome of TiN-coated orthopaedic implants was explored. The TiN-coating has a positive effect on the biocompatibility and tribological properties of implant surfaces; however, there are several reports of third body wear due to delamination, increased ultrahigh molecular weight polyethylene wear, and cohesive failure of the TiN-coating. This might be due to the coating process. The TiN-coating process should be optimized and standardized for titanium alloy articulating surfaces. The clinical benefit of TiN-coating of CoCrMo knee implant surfaces should be further investigated.

Comparison of Polyethylene Wear between Highly Crosslinked and Annealed UHMWPE and Conventional UHMWPE against Ceramic Heads in Total Hip Arthroplasty

2012 ◽  
Vol 529-530 ◽  
pp. 279-284 ◽  
Author(s):  
Taishi Sato ◽  
Yasuharu Nakashima ◽  
Mio Akiyama ◽  
Takuaki Yamamoto ◽  
Taro Mawatari ◽  
...  
Keyword(s):  
Femoral Head ◽  
Total Hip Arthroplasty ◽  
Hip Arthroplasty ◽  
Polyethylene Wear ◽  
Wear Rates ◽  
Head Penetration ◽  
Total Hip ◽  
Patient Demographics ◽  
Ceramic Femoral Head ◽  
Implantation Period

The purpose of this study was to examine the effects of ceramic femoral head material on the wear of annealed, crosslinked ultra-high molecular weight polyethylene (UHMWPE) (XLPE) in total hip arthroplasty compared to non-crosslinked conventional UHMWPE (CPE). XLPE was fabricated by crosslinking with 60 kGy irradiation and annealing. Femoral heads made from zirconia and alumina ceramics, and cobalt-chrome (CoCr) of 22 mm or 26 mm diameter were used. In this study, the femoral head penetration into the cup was measured digitally on radiographs of 70 hips with XLPE and 50 hips with CPE. The average follow-up periods were 6.1 and 12.7 years, respectively. The steady wear rate of XLPE was significantly lower than those of CPE (0.002 versus 0.08 mm/year, respectively). Zirconia displayed increased wear rates compared to alumina in CPE; however, there was no difference among head materials in XLPE (0.0028, 0.011 and 0.009 mm/year for zirconia, alumina and CoCr, respectively). Neither head size or implantation period impacted XLPE wear. In contrast to CPE, XLPE displayed low wear rates surpassing the effects of varying femoral head material, size, implantation period and patient demographics.

Five-Year Experience of Vitamin E–Diffused Highly Cross-Linked Polyethylene Wear in Total Hip Arthroplasty Assessed by Radiostereometric Analysis

2016 ◽  
Vol 31 (6) ◽  
pp. 1251-1255 ◽  
Author(s):  
Audrey K. Nebergall ◽  
Anders Troelsen ◽  
Harry E. Rubash ◽  
Henrik Malchau ◽  
Ola Rolfson ◽  
...  
Keyword(s):  
Vitamin E ◽  
Total Hip Arthroplasty ◽  
Hip Arthroplasty ◽  
Polyethylene Wear ◽  
Radiostereometric Analysis ◽  
Total Hip

Polyethylene Wear Particles in Synovial Fluid After Total Knee Arthroplasty

2003 ◽  
Vol 410 ◽  
pp. 165-172 ◽  
Author(s):  
Yukihide Minoda ◽  
Akio Kobayashi ◽  
Hiroyoshi Iwaki ◽  
Masatsugu Miyaguchi ◽  
Yoshinori Kadoya ◽  
...  
Keyword(s):  
Total Knee Arthroplasty ◽  
Synovial Fluid ◽  
Knee Arthroplasty ◽  
Polyethylene Wear ◽  
Wear Particles ◽  
Total Knee

Polyethylene Wear in Mobile-Bearing Prostheses

Orthopedics ◽  
2002 ◽  
Vol 25 (2) ◽  
Author(s):  
Douglas J Kilgus
Keyword(s):  
Polyethylene Wear ◽  
Mobile Bearing

Isolated tibial insert exchange in revision total knee arthroplasty

2021 ◽  
Vol 103-B (6) ◽  
pp. 1103-1110
Author(s):  
Matthew W. Tetreault ◽  
Jeremy T. Hines ◽  
Daniel J. Berry ◽  
Mark W. Pagnano ◽  
Robert T. Trousdale ◽  
...  
Keyword(s):  
Total Knee Arthroplasty ◽  
Knee Arthroplasty ◽  
Polyethylene Wear ◽  
Revision Total Knee Arthroplasty ◽  
Common Reason ◽  
Original Diagnosis ◽  
Tibial Insert ◽  
Total Knee ◽  
Component Loosening ◽  
Revision Tka

Aims This study aimed to determine outcomes of isolated tibial insert exchange (ITIE) during revision total knee arthroplasty (TKA). Methods From 1985 to 2016, 270 ITIEs were performed at one institution for instability (55%, n = 148), polyethylene wear (39%, n = 105), insert fracture/dissociation (5%, n = 14), or stiffness (1%, n = 3). Patients with component loosening, implant malposition, infection, and extensor mechanism problems were excluded. Results Survivorship free of any re-revision was 68% at ten years. For the indication of insert wear, survivorship free of any re-revision at ten years was 74%. Re-revisions were more frequent for index diagnoses other than wear (hazard ratio (HR) 1.9; p = 0.013), with ten-year survivorships of 69% for instability and 37% for insert fracture/dissociation. Following ITIE for wear, the most common reason for re-revision was aseptic loosening (33%, n = 7). For other indications, the most common reason for re-revision was recurrence of the original diagnosis. Mean Knee Society Scores improved from 54 (0 to 94) preoperatively to 77 (38 to 94) at ten years. Conclusion After ITIE, the risk and reasons for re-revision correlated with preoperative indications. The best results were for polyethylene wear. For other diagnoses, the re-revision rate was higher and the failure mode was most commonly recurrence of the original indication for the revision TKA. Cite this article: Bone Joint J 2021;103-B(6):1103–1110.

Polyethylene wear, osteolysis and acetabular loosening with an HA-coated hip prosthesis

1999 ◽  
Vol 81-B (4) ◽  
pp. 582-589 ◽  
Author(s):  
M. Røkkum ◽  
M. Brandt ◽  
K. Bye ◽  
K. R. Hetland ◽  
S. Waage ◽  
...  
Keyword(s):  
Hip Prosthesis ◽  
Polyethylene Wear ◽  
Acetabular Loosening
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