On the replacement of articular cartilage: The friction of PVA hydrogel layer in hip simulator test

David Nečas; Seido Yarimitsu; David Rebenda; Hironori Shinmori; Martin Vrbka; Yoshinori Sawae; Teruo Murakami; Ivan Křupka

doi:10.1016/j.triboint.2022.108100

On the replacement of articular cartilage: The friction of PVA hydrogel layer in hip simulator test

David Nečas, Seido Yarimitsu, David Rebenda, Hironori Shinmori, Martin Vrbka, Yoshinori Sawae, Teruo Murakami, Ivan Křupka

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Abstract

The present study focuses on friction evaluation of the polyvinyl alcohol (PVA) hydrogel layer, an anticipative material for cartilage replacement. The experiments were carried out in a ball-in-socket configuration using a pendulum hip simulator. The friction coefficients of ceramic-on-hydrogel pairs were compared with those of commercial implants (metal/ceramic heads vs UHMWPE, HXPE and metal/ceramic sockets). The effects of hydrogel ageing and hydration were studied, among others. The use of PVA inserts caused up to 98% reduction in friction coefficient compared to original hip pairs. The application of PVA for local or even complete cartilage replacement seems to be an outstanding opportunity in implantology.

Original language	English
Article number	108100
Journal	Tribology International
Volume	178
DOIs	https://doi.org/10.1016/j.triboint.2022.108100
Publication status	Published - Feb 2023

All Science Journal Classification (ASJC) codes

Mechanics of Materials
Mechanical Engineering
Surfaces and Interfaces
Surfaces, Coatings and Films

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10.1016/j.triboint.2022.108100

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abstract = "The present study focuses on friction evaluation of the polyvinyl alcohol (PVA) hydrogel layer, an anticipative material for cartilage replacement. The experiments were carried out in a ball-in-socket configuration using a pendulum hip simulator. The friction coefficients of ceramic-on-hydrogel pairs were compared with those of commercial implants (metal/ceramic heads vs UHMWPE, HXPE and metal/ceramic sockets). The effects of hydrogel ageing and hydration were studied, among others. The use of PVA inserts caused up to 98% reduction in friction coefficient compared to original hip pairs. The application of PVA for local or even complete cartilage replacement seems to be an outstanding opportunity in implantology.",

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AU - Nečas, David

AU - Yarimitsu, Seido

AU - Rebenda, David

AU - Shinmori, Hironori

AU - Vrbka, Martin

AU - Sawae, Yoshinori

AU - Murakami, Teruo

AU - Křupka, Ivan

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AB - The present study focuses on friction evaluation of the polyvinyl alcohol (PVA) hydrogel layer, an anticipative material for cartilage replacement. The experiments were carried out in a ball-in-socket configuration using a pendulum hip simulator. The friction coefficients of ceramic-on-hydrogel pairs were compared with those of commercial implants (metal/ceramic heads vs UHMWPE, HXPE and metal/ceramic sockets). The effects of hydrogel ageing and hydration were studied, among others. The use of PVA inserts caused up to 98% reduction in friction coefficient compared to original hip pairs. The application of PVA for local or even complete cartilage replacement seems to be an outstanding opportunity in implantology.

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On the replacement of articular cartilage: The friction of PVA hydrogel layer in hip simulator test

Abstract

All Science Journal Classification (ASJC) codes

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