Segmented porous implant and design and manufacturing method thereof

A manufacturing method and implant technology, applied in the fields of implantology, medical science, dentistry, etc., can solve the problems of porous structure damage, failure to consider porous structure, implant fracture, etc., to ensure strength and use safety, facilitate ingrowth, unbreakable effect

Active Publication Date: 2017-04-26
宁波创导三维医疗科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, the patent has the following problems: 1. The patent does not consider the impact of the porous structure on the strength of the implant. When the porous structure occupies a large volume, the implant may break;

Method used

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  • Segmented porous implant and design and manufacturing method thereof
  • Segmented porous implant and design and manufacturing method thereof

Examples

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Example Embodiment

[0043] Example 1: The body porous section 3 and the threaded porous section 4 of the segmented porous implant occupies 3 fan-shaped areas each. The body porous section 3 is divided into two parts along the radial direction from the inner to the outer surface. The pore size gradient increases to 150μm and 350μm respectively. The pore size of the threaded porous section 4 is 60μm, and the thickness of the threaded porous section 4 is 0.3mm. The thickness of the porous section 3 is 0.5 mm, and the body roughness of the body 2 is 4 μm.

Example Embodiment

[0044] Example 2: The body porous section 3 and the threaded porous section 4 of the segmented porous implant each occupy 4 fan-shaped areas. The body porous section 3 is divided into three parts along the radial direction from the inner to the outer surface. The pore size gradient increases, respectively 150μm, 200μm and 250μm. The pore size of the threaded porous section 4 is 100μm, and the thickness of the threaded porous section 4 is 0.6mm. The thickness of the body porous section 3 is 1 mm, and the body roughness of the body 2 is 10 μm.

Example Embodiment

[0045] Example 3: The body porous section 3 and the threaded porous section 4 of the segmented porous implant each occupy 5 fan-shaped areas. The porous section 3 of the body is divided into three parts along the radial direction from the inner to the outer surface. The pore size gradient increases, respectively, 150μm, 200μm and 400μm. The pore size of the threaded porous section 4 is 140μm, and the thickness of the threaded porous section 4 is 0.9mm. The thickness of the body porous section 3 is 1.3 mm, and the body roughness of the body 2 is 20 μm.

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Abstract

The invention relates to a segmented porous implant and a design and manufacturing method thereof. The segmented porous implant comprises a head portion and a body portion, the body portion is axially provided with a thread structure distributed around the body portion, the body portion and the thread structure are provided with porous structures distributed at intervals peripherally along the body portion, and the porous structures axially extend along the body portion to partition the body portion into main sections of the body portion and porous sections of the body portion and further partition the thread structure into thread body sections and thread porous sections, and the thread porous sections and the porous sections of the body portion are in a same sector section. By adoption of the segmented porous implant and the design and manufacturing method thereof, the problem of proneness to damages of porous structures of existing implants is solved, and high strength and safety in use are realized.

Description

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Claims

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Application Information

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Owner 宁波创导三维医疗科技有限公司
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