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Implanting body with multiple-size surface structure and preparation method thereof

A surface structure and implant technology, applied in the medical field, can solve the problems of implant biocompatibility and insufficient bonding strength, and achieve the effects of improving mechanical chimerism and bonding strength, improving comprehensive performance, and shortening healing time

Inactive Publication Date: 2013-06-12
SHANDONG UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] In short, the current research at home and abroad is mostly focused on the study of a single scale, which is still far from enough to improve the biocompatibility and bonding strength of implants.

Method used

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  • Implanting body with multiple-size surface structure and preparation method thereof
  • Implanting body with multiple-size surface structure and preparation method thereof
  • Implanting body with multiple-size surface structure and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0033] A multi-scale surface structure implant, which includes a micron-scale microstructure array, and the surface of the implant is covered with nanoscale holes with a diameter of 200nm, the microstructure array is a micro-pyramid array, a micro-barb array or a micro-groove any of the arrays.

[0034] Wherein, the micro-pyramid array is several pyramids arranged equidistantly, and the longitudinal section of the pyramid is a triangle I; the base length b1 of the triangle I is 30 μm, the height h1 is 20 μm, and the distance s1 between two adjacent triangles I is 80 μm, the size of the pyramid is adapted to the placement of the implant, see figure 1 .

[0035] The micro-barb array is a number of barbs arranged equidistantly. The longitudinal section of the barb is a triangle II and a rectangle connected up and down. h2 is 100 μm, the distance s2 between two adjacent rectangles is 80 μm, the size of the barb is adapted to the implantation position of the implant, see figure...

Embodiment 2

[0045] A multi-scale surface structure implant, which includes a micron-scale microstructure array, and the surface of the implant is covered with nanoscale holes with a diameter of 500nm, and the microstructure array is a micro-pyramid array, a micro-barb array or a micro-groove any of the arrays.

[0046] Among them, the micro-pyramid array is several pyramids arranged equidistantly, and the longitudinal section of the pyramid is a triangle I; the base length b1 of the triangle I is 50 μm, the height h1 is 30 μm, and the distance s1 between two adjacent triangles I is 100 μm, the size of the pyramid is adapted to the placement of the implant, see figure 1 .

[0047] The micro-barb array is a number of barbs arranged equidistantly. The longitudinal section of the barb is a triangle II and a rectangle connected up and down. h2 is 400 μm, the distance s2 between two adjacent rectangles is 100 μm, the size of the barb is adapted to the implantation position of the implant, see...

Embodiment 3

[0057] A multi-scale surface structure implant, which includes a micron-scale microstructure array, and the surface of the implant is covered with nanoscale holes with a diameter of 400nm, the microstructure array is a micro-pyramid array, a micro-barb array or a micro-groove any of the arrays.

[0058] Wherein, the micro-pyramid array is several pyramids arranged equidistantly, and the longitudinal section of the pyramid is a triangle I; the base length b1 of the triangle I is 40 μm, the height h1 is 25 μm, and the distance s1 between two adjacent triangles I is 90 μm, the size of the pyramid is adapted to the placement of the implant, see figure 1 .

[0059] The micro-barb array is a number of barbs arranged equidistantly. The longitudinal section of the barb is a triangle II and a rectangle connected up and down. h2 is 250 μm, the distance s2 between two adjacent rectangles is 90 μm, the size of the barb is adapted to the implantation position of the implant, see figure...

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Abstract

The invention discloses an implanting body with a multiple-size surface structure. The implanting body has the advantages that the combining strength of the implanting body and a biospy is improved, the combining time is shortened, the biological compatibility and the combining fastness are improved, and the clinical application value is higher. The implanting body comprises a micrometer-level micro structure array, wherein the surface of the implanting body is provided with nanometer-level pores, one of a micro pyramid array, a micro inverted hook array or a micro channel array is adopted as the micro structure array, the micro pyramid array comprises a plurality of pyramids which are arranged in an equidistant way, the longitudinal cross section of each pyramid is a triangle I, the micro inverted hook array comprises a plurality of inverted hooks which are arranged in the equidistant way, the longitudinal cross section of each inverted hook comprises a triangle II and a rectangle which are vertically connected, the micro channel array comprises a plurality of channels which are arranged in the equidistant way, and the longitudinal cross section of each channel is an inverted triangle.

Description

technical field [0001] The invention relates to a multi-scale surface structure implant, in particular to a multi-scale surface structure implant with enhanced tissue bonding strength and biocompatibility and a preparation method thereof. It belongs to the field of medical technology. Background technique [0002] Biomedical engineering is one of the most critical, core and widely used technical fields in the 21st century, and its development level largely determines the length and quality of human life. Biomedical materials are an important branch of biomedical engineering, and its biggest feature is the wide range of disciplines, great application potential and strong challenges. With the continuous emergence of new materials, new technologies, and new applications, many scientists have been attracted to research in this field, and it has become one of the most active fields of research today. Among them, as a typical biomedical material, implants are being used more and...

Claims

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Application Information

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IPC IPC(8): A61B17/68A61B17/80
Inventor 万熠门博张东张蕊刘战强王干艾兴
Owner SHANDONG UNIV
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