SURFACE GRADIENT CROSS-LINKING METHOD OF ULTRA-HIGH MOLECULAR WEIGHT POLYETHYLENE AND APPLICATION THEREOF

Title:

SURFACE GRADIENT CROSS-LINKING METHOD OF ULTRA-HIGH MOLECULAR WEIGHT POLYETHYLENE AND APPLICATION THEREOF

Document Type and Number:

WIPO Patent Application WO/2021/258604

Kind Code:

A1

Abstract:

Provided is a surface gradient cross-linked method of ultra-high molecular weight polyethylene and an ultra-high molecular weight polyethylene medical implant. The method includes ultra-high molecular weight polyethylene surface photoinitiator diffusion step and ultraviolet light irradiation cross-linking step, wherein the photoinitiator is diffused deeply into the surface of ultra-high molecular weight polyethylene, the body material shows a gradient cross-linking from the surface to the inside after ultraviolet irradiation so that the whole bulk has a high toughness and the surface has a high wear resistance.

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Inventors:

ZHANG ZONGTAO (US)

Application Number:

PCT/CN2020/127068

Publication Date:

December 30, 2021

Filing Date:

November 06, 2020

Export Citation:

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Assignee:

B ONE MEDICAL SUZHOU CO LTD (CN)
B ONE MEDICAL BIOTECH CORP (CN)
B ONE ORTHO CORP (US)

International Classes:

C08F2/48; A61F2/30

Foreign References:

US6494917B1	2002-12-17
US20150376349A1	2015-12-31

Attorney, Agent or Firm:

SHANGHAI GOOIP CO., LTD. (CN)

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