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北海道支部 支部長 土谷 浩昭
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記
日 時 ： 2017年 7月 10日（月） 16：30〜17：15
場 所 ： 北海道大学工学部 大会議室 Ａ1-17 （札幌市北区北１３条西８丁目）
講 演 ： 「Biotribology of Natural Synovial Joint
and Joint Prosthesis」
Prof. Yoshinori Sawae, Professor,
Faculty of Engineering, Kyushu University, Japan
The word “Biotribology” was defined in 1971 to embrace “all aspects
of tribology (friction, wear and lubrication) concerned with biological systems”. It covers many events encountered during our daily life as
research interests, for example, friction between a glass and fingers for
gripping, wear of teeth during brushing and so on. Among them, the lubrication
mechanism of natural synovial joint is a popular research topic in
biotribology. The smooth movement of human diarthrodial joints has attracted
huge interests of researchers not only in biomedical filed but also in
engineering field, since the typical friction coefficient of synovial joints is
extremely lower, around 0.001, compared with that of man-made bearing systems,
those friction coefficient is usually 0.1 to 0.01. The wear of prosthetic joint
materials is another important issue for biotribology. Metal ions and polymer
wear particles released from sliding surfaces of joint prosthesis implanted in
human body are usually very toxic and exert adverse reactions in the
surrounding living tissue Therefore, it is recognized as a main factor
restricting the lifetime of current artificial joints. This presentation
attempts to present recent progress of biotribology research on the natural
synovial joint and joint replacements.
共催 ： 日本機械学会北海道支部バイオメカニクス懇話会
問い合わせ先：
Tel&Fax: 011-706-6424, Email: ohashi@eng.hokudai.ac.jp