Search Results - "Wannomae, Keith K."

Ex Vivo Stability Loss of Irradiated and Melted Ultra-High Molecular Weight Polyethylene by Muratoglu, Orhun K, Wannomae, Keith K, Rowell, Shannon L, Micheli, Brad R, Malchau, Henrik

“…BACKGROUND:Radiation crosslinking reduces wear of ultra-high molecular weight polyethylene (UHMWPE), and subsequent annealing or melting increases oxidative…”
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Diffusion of vitamin E in ultra-high molecular weight polyethylene by Oral, Ebru, Wannomae, Keith K, Rowell, Shannon L, Muratoglu, Orhun K

“…Abstract Vitamin E-doped, radiation crosslinked ultra-high molecular weight polyethylene (UHMWPE) is developed as an alternate oxidation and wear resistant…”
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Knee Simulator Wear of Vitamin E Stabilized Irradiated Ultrahigh Molecular Weight Polyethylene by Micheli, Brad R., BS, Wannomae, Keith K., BS, Lozynsky, Andrew J., BS, Christensen, Steven D., BA, Muratoglu, Orhun K., PhD

“…Abstract Wear and damage of ultrahigh molecular weight polyethylene (UHMWPE) tibial inserts used in total knee arthroplasty are accelerated by oxidation…”
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Fracture of a Cross-Linked Polyethylene Liner Due to Impingement by Duffy, Gavan P., MD, Wannomae, Keith K., BS, Rowell, Shannon L., BS, Muratoglu, Orhun K., PhD

“…Abstract We report a case of fracture at 2 years after implantation of a 50-kGy moderately cross-linked ultrahigh molecular weight polyethylene liner with an…”
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Delamination and Adhesive Wear Behavior of α -Tocopherol–Stabilized Irradiated Ultrahigh-Molecular-Weight Polyethylene by Wannomae, Keith K., BS, Christensen, Steven D., BA, Micheli, Brad R., BS, Rowell, Shannon L., BS, Schroeder, Dave W., BS, Muratoglu, Orhun K., PhD

“…Abstract Wear and delamination of conventional ultrahigh-molecular-weight polyethylene (UHMWPE) components used in total knee arthroplasty can compromise…”
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Antibiotic-Loaded Ultrahigh Molecular Weight Polyethylenes by Lekkala, Sashank, Inverardi, Nicoletta, Yuh, Jean, Wannomae, Keith K, Tierney, Peyton, Sekar, Amita, Muratoglu, Orhun K, Oral, Ebru

“…The occurrence of periprosthetic joint infections (PJI) after total joint replacement constitutes a great burden for the patients and the healthcare system…”
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Di‐cumyl peroxide cross‐linked UHMWPE/vitamin‐E blend for total joint arthroplasty implants by Muratoglu, Orhun K., Asik, Mehmet D., Nepple, Cecilia M., Wannomae, Keith K., Micheli, Brad R., Connolly, Rachel L., Oral, Ebru

“…Majority of ultrahigh molecular weight polyethylene (UHMWPE) medical devices used in total joint arthroplasty are cross‐linked using gamma radiation to improve…”
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Chemically Cross‐Linked UHMWPE With Superior Toughness by Oral, Ebru, Doshi, Brinda N., Fung, Katharina, O'Brien, Caitlin, Wannomae, Keith K., Muratoglu, Orhun K.

“…ABSTRACT Radiation cross‐linked ultra‐high‐molecular‐weight polyethylenes (UHMWPEs) are clinically used extensively in total joint arthroplasty due to their…”
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Wear Resistance and Mechanical Properties of Highly Cross-linked, Ultrahigh–Molecular Weight Polyethylene Doped With Vitamin E by Oral, Ebru, Christensen, Steven D., Malhi, Arnaz S., Wannomae, Keith K., Muratoglu, Orhun K.

“…Our hypothesis was that cross-linked, ultrahigh–molecular weight polyethylene (UHMWPE) stabilized with vitamin E ( α-tocopherol) would be wear-resistant and…”
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Increased oxidative protection by high active vitamin E content and partial radiation crosslinking of UHMWPE by Xu, Jia‐Zhuang, Wannomae, Keith K., Muratoglu, Orhun K., Oral, Ebru

“…ABSTRACT Vitamin E stabilization successfully improved long‐term oxidation resistance of wear‐resistant ultra‐high‐molecular‐weight polyethylene (UHMWPE) used…”
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Addressing prosthetic joint infections via gentamicin-eluting UHMWPE spacer by Gil, Dmitry, Atici, Ali E, Connolly, Rachel L, Hugard, Shannon, Shuvaev, Sergey, Wannomae, Keith K, Oral, Ebru

“…AimsWe propose a state-of-the-art temporary spacer, consisting of a cobalt-chrome (CoCr) femoral component and a gentamicin-eluting ultra-high molecular weight…”
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An antioxidant stabilized, chemically cross‐linked UHMWPE with superior toughness by Oral, Ebru, Wannomae, Keith K., Bichara, David A., Micheli, Brad, Doshi, Brinda N., O'Brien, Caitlin, Nielsen, G. Petur, Muratoglu, Orhun K.

“…Chemical cross‐linking of ultrahigh molecular weight polyethylene (UHMWPE) using an organic peroxide followed by high temperature melting results in a large…”
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α-Tocopherol-doped irradiated UHMWPE for high fatigue resistance and low wear by Oral, Ebru, Wannomae, Keith K., Hawkins, Nathaniel, Harris, William H., Muratoglu, Orhun K.

“…Longevity of total joints has been compromised by wear and fatigue of ultrahigh molecular weight polyethylene (UHMWPE) components. Crosslinking reduces UHMWPE…”
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Novel active stabilization technology in highly crosslinked UHMWPEs for superior stability by Oral, Ebru, Neils, Andrew L., Wannomae, Keith K., Muratoglu, Orhun K.

“…Radiation cross-linked ultrahigh molecular weight polyethylene (UHMWPE) is the bearing of choice in joint arthroplasty. The demands on the longevity of this…”
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Highly cross-linked ultrahigh molecular weight polyethylene with improved fatigue resistance for total joint arthroplasty: recipient of the 2006 Hap Paul Award by Oral, Ebru, Malhi, Arnaz S, Wannomae, Keith K, Muratoglu, Orhun K

“…Eliminating postirradiation melting and stabilizing the residual free radicals of radiation cross-linked ultrahigh molecular weight polyethylene (UHMWPE) with…”
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In Vivo Oxidation of Retrieved Cross-linked Ultra–High-Molecular-Weight Polyethylene Acetabular Components with Residual Free Radicals by Wannomae, Keith K., Bhattacharyya, Shayan, Freiberg, Andrew, Estok, Daniel, Harris, William H., Muratoglu, Orhun

“…Wear of ultra–high-molecular-weight polyethylene (UHMWPE) contributes to debris that can lead to periprosthetic osteolysis in total hip arthroplasty…”
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The effect of real-time aging on the oxidation and wear of highly cross-linked UHMWPE acetabular liners by Wannomae, Keith K., Christensen, Steven D., Freiberg, Andrew A., Bhattacharyya, Shayan, Harris, William H., Muratoglu, Orhun Kamil

“…Irradiation decreases the wear of ultra-high molecular weight polyethylene (UHMWPE) but generates residual free radicals, precursors to long-term oxidation…”
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Migration stability of α-tocopherol in irradiated UHMWPE by Oral, Ebru, Wannomae, Keith K., Rowell, Shannon L., Muratoglu, Orhun Kamil

“…The oxidation resistance of irradiated ultra-high molecular weight polyethylene (UHMWPE) components used in total joint arthroplasty can be improved by adding…”
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In vitro comparison of frictional torque and torsional resistance of aged conventional gamma-in-nitrogen sterilized polyethylene versus aged highly crosslinked polyethylene articulating against head sizes larger than 32 mm by Burroughs, Brian R, Muratoglu, Orhun K, Bragdon, Charles R, Wannomae, Keith K, Christensen, Steven, Lozynsky, Andrew J, Harris, William H

“…The advent of highly crosslinked polyethylene has allowed the re-evaluation of the use of femoral heads larger than 32 mm for metal-on-polyethylene total hip…”
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Migration stability of a-tocopherol in irradiated UHMWPE by Oral, Ebru, Wannomae, Keith K, Rowell, Shannon L, Muratoglu, Orhun Kamil

“…The oxidation resistance of irradiated ultra-high molecular weight polyethylene (UHMWPE) components used in total joint arthroplasty can be improved by adding…”
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