Zobrazeno 1 - 10 of 11 pro vyhledávání: '"Martin J. Petrak"'
1
Radiostereometric analysis of keeled versus pegged glenoid components in total shoulder arthroplasty: a randomized feasibility study
Autor: Sara Parashin, Jeff Leiter, Trevor C. Gascoyne, Sheila McRae, Eric Bohm, Martin J. Petrak, Peter B. MacDonald
Publikováno v: Canadian Journal of Surgery. 60:273-279
This study aimed to assess differences in the fixation and functional outcomes between pegged and keeled all-polyethylene glenoid components for standard total shoulder arthroplasty.Patients were randomized to receive a keeled or pegged all-polyethyl
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::7d2c814015829e3288331a3617a54745
https://doi.org/10.1503/cjs.001817
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2
In vivo fracture of a reverse total shoulder replacement humeral tray: A case report
Autor: Trevor C. Gascoyne, Peter B. MacDonald, Eric Bohm, Martin J. Petrak
Publikováno v: Proceedings of the Institution of Mechanical Engineers, Part H: Journal of Engineering in Medicine. 230:1141-1147
Failure analysis was performed for two humeral tray components which fractured in vivo after only 6 and 9 months. Implant retrieval analysis indicated that the components failed due to fatigue failure initiating from a small radius fillet at the inte
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::4d490e0e1135962b9db3cd9cdc4f1975
https://doi.org/10.1177/0954411916676217
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3
Wear of a sequentially annealed polyethylene acetabular liner
Autor: Trevor C. Gascoyne, Martin J. Petrak, Eric Bohm, Thomas R. Turgeon
Publikováno v: Acta Orthopaedica. 85:470-473
Background and purpose — We previously reported on a randomized controlled trial (RCT) that examined the effect of adding tobramycin to bone cement after femoral stem migration. The present study examined femoral head penetration into both conventi
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::30246a7b62be78686999fc3430652285
https://doi.org/10.3109/17453674.2014.949044
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4
An energy dissipation and cross shear time dependent computational wear model for the analysis of polyethylene wear in total knee replacements
Autor: Sean O'Brien, Martin J. Petrak, Eric Bohm, Jan-M Brandt, Urs P. Wyss
Publikováno v: Journal of Biomechanics. 47:1127-1133
The cost and time efficiency of computational polyethylene wear simulations may enable the optimization of total knee replacements for the reduction of polyethylene wear. The present study proposes an energy dissipation wear model for polyethylene wh
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::f654c78decce341f6a2325416304fe10
https://doi.org/10.1016/j.jbiomech.2013.12.017
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5
Computational development of a polyethylene wear model for the articular and backside surfaces in modular total knee replacements
Autor: Eric Bohm, Martin J. Petrak, Yunhua Luo, Jan-M Brandt, Christine Q. Wu, Sean O'Brien
Publikováno v: Tribology International. 59:284-291
A computational model to predict polyethylene wear in modular total knee replacements was developed. The results from knee simulator wear tests were implemented with finite element simulations to identify the wear factors of Archard's wear law. The c
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::c72fb6b0c0cad0388bd20c8fd047b098
https://doi.org/10.1016/j.triboint.2012.03.020
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6
Prediction of backside micromotion in total knee replacements by finite element simulation
Autor: Yunhua Luo, Eric Bohm, Sean O'Brien, Martin J. Petrak, Jan M Brandt, Christine Q. Wu
Publikováno v: Proceedings of the Institution of Mechanical Engineers, Part H: Journal of Engineering in Medicine. 226:235-245
The micromotion at the interface between the polyethylene tibial insert and metal tibial tray [corrected] in modular total knee replacements [corrected] has been shown to contribute to wear particle-induced osteolysis and may [corrected] cause implan
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::c6e416d40cffda5f7d592303ac66aeec
https://doi.org/10.1177/0954411911435593
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7
The Frank Stinchfield Award: Dislocation in Revision THA: Do Large Heads (36 and 40 mm) Result in Reduced Dislocation Rates in a Randomized Clinical Trial?
Autor: Eric Bohm, Craig J. Della Valle, Allan E. Gross, Bassam A. Masri, Clive P. Duncan, Donald S. Garbuz, Martin J. Petrak, Nelson V. Greidanus
Publikováno v: Clinical Orthopaedics & Related Research. 470:351-356
Dislocation after revision THA is a common complication. Large heads have the potential to decrease dislocation rate, but it is unclear whether they do so in revision THA.We therefore determined whether a large femoral head (36 and 40 mm) resulted in
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::78e3c407fa985a4b85bde8713bf10bcf
https://doi.org/10.1007/s11999-011-2146-x
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9
Wear testing of crosslinked polyethylene: wear rate variability and microbial contamination
Autor: Urs P. Wyss, S.F. Koval, Martin J. Petrak, Eric Bohm, Leah E Guenther, Jan-M Brandt, Alex Vecherya
Publikováno v: Journal of the mechanical behavior of biomedical materials. 34
The wear performance of two types of crosslinked polyethylene (Marathon™ and XLK™, DePuy Synthes Inc., Warsaw, IN) was evaluated in a pin-on-disc wear tester, a hip wear simulator, and a knee wear simulator. Sodium azide was used as the microbial
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::6ec50ae2ee90624a0bec0a4c439b611b
https://pubmed.ncbi.nlm.nih.gov/24607759
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