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Composite unit for bone implant, porous support and preparation method

A technology of bone implants and porous scaffolds, which is applied in the fields of bone implants, medical science, prostheses, etc., can solve the problems of less implant design and only consider uniaxial load, so as to shorten the design time, The effect of simple structure and improved resistance to bending deformation

Active Publication Date: 2021-02-19
SOUTH CHINA INST OF COLLABORATIVE INNOVATION
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

It can be seen from the published literature that most of the structural designs of existing implants only consider uniaxial loads, and there are few implants that need to bear bending loads

Method used

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  • Composite unit for bone implant, porous support and preparation method
  • Composite unit for bone implant, porous support and preparation method
  • Composite unit for bone implant, porous support and preparation method

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Experimental program
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Embodiment

[0033] Such as figure 1 - As shown in 4, a composite unit for bone implants, including several structural units 1, the structural unit 1 includes a first receiving surface, a second receiving surface and a conical connecting rod 2, a plurality of One end of the connecting rod 2 is respectively connected to the first receiving surface, and the other ends of the plurality of connecting rods 2 are respectively connected to the second receiving surface, and the radius of one end surface of the connecting rod 2 is smaller than the radius of the other end surface thereof, The structural units 1 are sequentially merged to form a porous structure 3, that is, the second receiving surface and the first receiving surface of the adjacent structural unit 1 are sequentially merged to form a porous structure 3, and the radius of the two ends of the connecting rod 2 Incrementing along the head end to the tail end of the porous structure 3, the second bearing surfaces at the end ends of the tw...

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Abstract

The invention relates to the technical field of medical implant materials, and discloses a composite unit for bone implants, which includes several structural units. One end of the connecting rod is respectively connected with the first bearing surface, and the other ends of the multiple connecting rods are respectively connected with the second bearing surface. The first bearing surfaces of the structural units are merged in sequence to form a porous structure, the radii of the two end surfaces of the connecting rod increase one by one from the head end to the tail end of the porous structure, and the second bearing surfaces of the tail ends of the two porous structures are merged to form a composite unit. The invention also discloses a porous support for bone implants and a preparation method of the porous support for bone implants. The beneficial effect is that the elastic modulus is low, and it is suitable for bearing bending load.

Description

technical field [0001] The invention relates to the technical field of medical implant materials, in particular to a composite unit for bone implants, a porous support and a preparation method. Background technique [0002] In the field of bone tissue engineering, metal porous implants are the focus of research. By designing the pore structure, the metal material can be matched with the natural bone tissue of the human body in terms of mechanical properties and biological properties. Although the research in this direction has been carried out for many years, the practical application of bone tissue engineering is still subject to multiple limitations. Among them, the individual differences in the service environment of implants lead to the difficulty of standardization, which is an important restrictive factor. Most of the existing research simplifies the practical application and uses more intuitive standards for evaluation. From the perspective of mechanical compatibil...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A61F2/28A61L27/04A61L27/06A61L27/50A61L27/56
CPCA61F2/2846A61F2002/2835A61F2002/30968A61F2002/3097A61L27/047A61L27/06A61L27/50A61L27/56A61L2430/02
Inventor 郑华德刘丽丽张明
Owner SOUTH CHINA INST OF COLLABORATIVE INNOVATION
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