Carbon/carbon : titanium carbide nanometer multilayer film plated on surface of all-metal joint head and acetabular cup

A nano-multi-layer, joint head technology, applied in coatings, medical science, tissue regeneration, etc., to achieve the effect of improving interface bonding force, chemical inertness and corrosion resistance, improving interface bonding force and load-bearing capacity

Inactive Publication Date: 2011-11-23
ZHONGAO HUICHENG TECH CO LTD
View PDF3 Cites 14 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0007] The purpose of the present invention is to provide an all-metal joint head and acetabular cup in view of the problems that the existing artificial joint head-acetabular cup interface wear and wear debris induced osteolysis, joint aseptic loosening, etc. restrict the long-term survival of artificial joint prosthesis Surface Coated Carbon / Carbon: Titanium Carbide Nano-Multilayer Film

Method used

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View more

Image

Smart Image Click on the blue labels to locate them in the text.
Viewing Examples
Smart Image
  • Carbon/carbon : titanium carbide nanometer multilayer film plated on surface of all-metal joint head and acetabular cup

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0016] A closed-field unbalanced magnetron sputtering device was used to sputter and deposit nanometer multilayer films on the surface of titanium alloy joint head and alloy acetabular cup. Co-sputtering of high-purity graphite targets and graphite: metal Ti composite targets was placed in four directions perpendicular to the horizontal and 90 degrees to each other to prepare thin films. The No. 1 and No. 3 targets are graphite targets, and the No. 2 and No. 4 targets are graphite: metal Ti composite targets. Graphite: The content of Ti in the metal Ti composite target is 2% (Ti / graphite area ratio), which is evenly distributed and embedded in the graphite target matrix. The turret on which the alloy joint head or alloy acetabular cup specimen is placed is rotated around the vertical center in a single axis, and the rotational speed of the turret is controlled at 1.5rpm. The sample tilts and oscillates and rotates at the same time, and the distance between the sample and the ...

Embodiment 2

[0019] A closed-field unbalanced magnetron sputtering device was used to sputter and deposit nano-multilayer composite films on the surface of titanium alloy joint head and alloy acetabular cup. Co-sputtering of high-purity graphite targets and graphite: metal Ti composite targets was placed in four directions perpendicular to the horizontal and 90 degrees to each other to prepare thin films. The No. 1 and No. 3 targets are graphite targets, and the No. 2 and No. 4 targets are graphite: metal Ti composite targets. Graphite: The content of Ti in the metal Ti composite target is 2% (Ti / graphite area ratio), which is evenly distributed and embedded in the graphite target matrix. The turret on which the alloy joint head or the alloy acetabular cup specimen is placed is rotated on a single axis around the vertical center, and the rotational speed of the turret is controlled at 2rpm. The test piece tilts and swings and rotates at the same time, and the distance between the test pie...

Embodiment 3

[0022] A closed-field unbalanced magnetron sputtering device was used to sputter and deposit nano-multilayer composite films on the surface of titanium alloy joint head and alloy acetabular cup. Co-sputtering of high-purity graphite targets and graphite: metal Ti composite targets was placed in four directions perpendicular to the horizontal and 90 degrees to each other to prepare thin films. The No. 1 and No. 3 targets are graphite targets, and the No. 2 and No. 4 targets are graphite: metal Ti composite targets. Graphite: The content of Ti in the metal Ti composite target is 2% (Ti / graphite area ratio), which is evenly distributed and embedded in the graphite target matrix. The turret on which the alloy joint head or the alloy acetabular cup specimen is placed is rotated on a single axis around the vertical center, and the rotational speed of the turret is controlled at 3rpm. The test piece tilts and swings and rotates at the same time, and the distance between the test pie...

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to view more

PUM

PropertyMeasurementUnit
thicknessaaaaaaaaaa
thicknessaaaaaaaaaa
thicknessaaaaaaaaaa
Login to view more

Abstract

The invention discloses a carbon / carbon : titanium carbide nanometer multilayer film plated on a surface of an all-metal joint head and an acetabular cup, which is formed by mutually crossing a carbon layer with a single-layer thickness of 15-30 nm, and a carbon : titanium carbide composite layer with a single-layer thickness of 15-30 nm; the nanometer multilayer film comprises the following components by weight: 88-96% of carbon, 4-12% of TiC, and the total thickness of the film is 2.0-3.0 microns. In simulated human environment, the nanometer multilayer film plated on a surface of an all-metal joint head and an acetabular cup has excellent wear-resistant performance, high load-bearing capability, strong corrosion protection effect on alloys, good biocompatibility, and less histological reactions, has no adverse tissue reaction or allergic reaction to human body, and can greatly improve the service life of a combined artificial joint in human body.

Description

technical field [0001] The invention relates to a combined all-metal artificial joint technology, in particular to a carbon / carbon:titanium carbide nano-multilayer film coated on the surface of an all-metal joint head and an acetabular cup. Background technique [0002] The design of an artificial joint usually consists of a head and an acetabular cup. In order to reduce the problems that restrict the long-term survival of artificial joint prosthesis mainly caused by the wear of the interface of the prosthesis and the osteolysis induced by wear debris, the interface between the head and acetabular cup of the artificial joint implanted in the human body requires good lubrication and wear resistance. High; good biocompatibility, low histological response, effectively reduce wear debris-induced osteolysis and strong corrosion resistance, stable material performance, no harmful metal ions released in the human body, no adverse tissue reactions and no allergic reactions and other...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to view more

Application Information

Patent Timeline
no application Login to view more
Patent Type & Authority Applications(China)
IPC IPC(8): A61L27/30A61L27/04A61L27/06
CPCA61L2430/24A61L2420/08A61L27/303A61L2400/12A61L27/04
Inventor 涂江平金攻李众利
Owner ZHONGAO HUICHENG TECH CO LTD
Who we serve
  • R&D Engineer
  • R&D Manager
  • IP Professional
Why Eureka
  • Industry Leading Data Capabilities
  • Powerful AI technology
  • Patent DNA Extraction
Social media
Try Eureka
PatSnap group products

Browse by: Latest US Patents, China's latest patents, Technical Efficacy Thesaurus, Application Domain, Technology Topic.

© 2024 PatSnap. All rights reserved.Legal|Privacy policy|Modern Slavery Act Transparency Statement|Sitemap