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Reduction of Wear Volume from Accelerated Aged UHMWPE Knee Components by the Addition of Vitamin E
oleh: Satoshi TERAMURA, Hideyuki SAKODA, Tomohiro TERAO, Kunihiko FUJIWARA, Kosuke KAWAI, Naohide TOMITA
Format: | Article |
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Diterbitkan: | The Japan Society of Mechanical Engineers 2009-12-01 |
Deskripsi
Accelerated ageing was conducted on UHMWPE with and without vitamin E (D, L-α tocopherol, VE). Wear performance was investigated using a knee simulator and wear debris was analysed. Aged UHMWPE with VE showed significantly lower wear volume than that of aged virgin UHMWPE and showed approximately similar wear volume as non-aged virgin UHMWPE. There were no significant differences among the materials as far as shape factor of the debris is concerned.