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Title:
JOINT FRICTION PAIR AND JOINT PROSTHESIS
Document Type and Number:
WIPO Patent Application WO/2023/088085
Kind Code:
A1
Abstract:
A joint friction pair and a joint prosthesis, comprising: a first support body, comprising a first support main body and a first support surface formed on the first support main body, the first support main body being made of a hard metal material or a hard alloy material, the surface roughness of the first support surface being less than or equal to 0.01 μm, and the water contact angle of the first support surface being less than or equal to 60 degrees; and a second support body, comprising a second support main body and a second support surface formed on the second support main body and used for matching the first support surface, the second support main body being made of a cross-linked ultra-high molecular weight polyethylene material, the cross-linking degree of the second support main body decreasing from the surface layer to the interior, the surface roughness of the second support surface is less than or equal to 0.1 μm, and the water contact angle of the second support surface is less than or equal to 30 degrees.

Inventors:
YU TIANBAI (CN)
LI MENG (CN)
PAN ZHONGCHENG (CN)
CHANG ZHAOHUA (CN)
Application Number:
PCT/CN2022/128987
Publication Date:
May 25, 2023
Filing Date:
November 01, 2022
Export Citation:
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Assignee:
SUZHOU MICROPORT ORTHORECON CO LTD (CN)
International Classes:
A61F2/30
Foreign References:
US20090306781A12009-12-10
CN1553967A2004-12-08
CN112770789A2021-05-07
CN114209473A2022-03-22
US5871547A1999-02-16
CN102078227A2011-06-01
EP1449544A12004-08-25
DE69728697T22005-04-14
US20190345316A12019-11-14
Attorney, Agent or Firm:
ADVANCE CHINA IP LAW OFFICE (CN)
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