Internal fixator and manufacturing method

A technology of internal fixation and production method, which is applied in pharmaceutical formulations, drug delivery, electrolytic coatings, etc., can solve problems such as high cytotoxicity, internal fixation rust, allergic reactions, etc.

Active Publication Date: 2016-03-30
ZHENGZHOU ARTIFICIAL DIAMOND & PROD ENG TECH RES CENT
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, cobalt metal is usually used for internal fixation. Cobalt metal is highly toxic to cells. It may also cause allergic reactions after implantation in the human body, and...

Method used

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  • Internal fixator and manufacturing method
  • Internal fixator and manufacturing method
  • Internal fixator and manufacturing method

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0021] an internal fixation such as figure 1 As shown, the substrate 1 is included, and the substrate 1 is provided with an ultrafine diamondene layer 2. The ultrafine diamondene layer 2 includes nanodiamondene with a lamellar single crystal structure, and there are titanium particles between the nanodiamondene layers. ; The thickness of the ultrafine diamondene layer 2 is 2.8 microns. The ultra-fine diamondene layer 2 is composed of nanodiamondene with a lamellar single crystal structure. The carbon atoms in the same layer are connected by sp3 orbital hybrid carbon bonds, and the carbon atoms between layers are sp2 hybridized. Carbon bond connection; the lattice spacing of nano-diamantene is 0.21nm; the average particle size R of nano-diamantene is 20nm; the C content of nano-diamantene is 99-100%.

[0022] The manufacturing method of the internal fixation is characterized in that it includes the following steps: 1) Purifying the surface of the substrate 1 by ultrasonic meth...

Embodiment 2

[0027] An internal fixer, the structure of which is consistent with that of Embodiment 1, the difference from Embodiment 1 is that the thickness of the ultrafine diamondene layer 2 is 2.5 microns, and the average particle diameter R of nanodiamondene is 500 nm.

Embodiment 3

[0029] An internal fixer, the structure of which is consistent with that of Embodiment 1, the difference from Embodiment 1 is that the thickness of the ultrafine diamondene layer 2 is 2 micrometers, and the average particle diameter R of nanodiamondene is 300 nm.

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Abstract

The invention belongs to the technical field of fracture fixation materials, and particularly discloses an internal fixator. The internal fixator comprises a base body. A superfine diamond graphene layer is arranged on the base body and is composed of nanometer diamond graohene of a lamellar single-crystal structure, and titanium particles are arranged between layers of the nanometer diamond graphene. The thickness of the superfine diamond graphene layer is smaller than 3 microns. The internal fixator is good in performance, long in service life and high in safety.

Description

technical field [0001] The invention belongs to the technical field of fracture fixation materials, in particular to an internal fixation object and a manufacturing method. Background technique [0002] After a fracture occurs, in order to restore the bone and promote the healing speed and quality, internal fixation is often used. Internal fixation is more direct and effective than external fixation alone, and can better maintain the anatomical reduction of the fracture, especially in preventing scissor or rotational movement of the fracture end; in addition, the internal fixation has a good supporting effect and can be used after surgery. Using less or no external fixation can effectively reduce the scope and time of external fixation. Internal fixation is beneficial to the functional exercise of the injured limb and getting up early, reducing complications caused by long-term bed rest. However, cobalt metal is usually used for internal fixation. Cobalt metal is highly tox...

Claims

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Application Information

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IPC IPC(8): A61L31/08A61L31/14C25D15/00
CPCA61L31/084A61L31/088A61L31/14A61L2400/18A61L2420/06C25D15/00
Inventor 郭留希赵清国杨晋中薛胜辉刘永奇薛光辉尚跃增项嘉义
Owner ZHENGZHOU ARTIFICIAL DIAMOND & PROD ENG TECH RES CENT
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