CN1194848C - Manufacture method of three-D weaved fibre reinforced polymer biological composite framework device - Google Patents
Manufacture method of three-D weaved fibre reinforced polymer biological composite framework device Download PDFInfo
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- CN1194848C CN1194848C CNB02131098XA CN02131098A CN1194848C CN 1194848 C CN1194848 C CN 1194848C CN B02131098X A CNB02131098X A CN B02131098XA CN 02131098 A CN02131098 A CN 02131098A CN 1194848 C CN1194848 C CN 1194848C
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Abstract
The present invention discloses a manufacture method of a three dimensional knitting fiber reinforced polymer biological composite material bone part. Three dimensional knitting fibers are used as a supporting frame, a resin transfer molding technology or a vacuum impregnation technology method is adopted, and a glue storage tank, a mould, a glue gathering tank and a vacuum pump are used; the technical process comprises the processes of preparing a three dimensional knitting fiber supporting frame, treating the surface, inserting the supporting frame in the mould, pumping to be vacuum, injecting resin into the mould, solidifying, demoulding, trimming, etc., and thus, a bone part is obtained. The present invention is characterized in that carbon fibers, aramid fibers, polyethylene fibers or mixed fibers thereof are adopted as the knitting fibers; the knitting structure is two points five dimensions, three dimensions four directions and three dimensions five directions, and the knitting angle is from 10 to 40 DEG; basic material is medical epoxy resin, monomer cast nylon, polysulfone and medical polyethylene. The present invention has the advantages that the conditions of the technical process is easy to control, the bone part which is made has good mechanics and histocompatibility with human body bones.
Description
Technical field
The present invention relates to a kind of three-D weaved fibre reinforced polymer biological composite framework device manufacture method.The manufacturing technology that belongs to the bone object spare of Biocomposite material.
Background technology
Along with the aging of world population, the quantity of global fracture patient presents growing trend.China is a big country that has population more than 1,200,000,000, and the quantity of annual fracture patient is surprising, and spinal diseases such as interverbebral disc is outstanding, centrum olisthe, vertebra lateral bending, tuberculosis of spine, vertebral tumor also have the trend of increase.
For a long time, traditional metal material (as stainless steel, titanium and alloy thereof etc.) bone anchoring device is occupied an leading position.Reason is the Strength of Metallic Materials height, can guarantee limbs, and the limbs early functional training especially bears a heavy burden.In addition, metal material has also that raw material is wide, cost is low, technical maturity, can change shape easily with the external form profile that adapts to bone and be easy to advantages such as preservation.But fixedly have obvious defects in the metal, mainly comprise: the mechanical compatibility of (1) metal material and bone tissue is bad.The stress-shielding effect that the metal internal fixation material causes can cause osteoporosis, bone to absorb or osteanabrosis, and then occurs the secondary fracture again easily; In addition, owing to lack enough stress stimulations, can not form poroma in fracture; The interior fixing of rigidity also makes the knitting process at initial stage slow.(2) histocompatbility of metal internal fixation material is bad; Corrosion of metal can cause a series of bad reaction, as allergic reaction, and local inflammation reaction and necrosis, even cause malignant tumour.(3) interior the fixing of metal can't be carried out CT and MR inspection, can not understand postoperative backbone and joint part fracture contraposition situation.(4) metal intramedullary needle etc. lacks enough elasticity, has increased the difficulty of implant surgery.Therefore, no matter be fracture patient or doctor, the birth of the bone internal fixation material of new generation that all waits in expectation.
Summary of the invention
The object of the present invention is to provide a kind of three-D weaved fibre reinforced polymer biological composite framework device manufacture method.The Biocomposite material bone object spare of this method manufacturing has good mechanical with bone tissue and histocompatbility has avoided the metal bone fixation means to be easy to cause the danger of pathology, is convenient to CT and MR inspection after implementing to fix.
The present invention is realized by following technical proposals.With the 3-d braided fiber body is support, adopts the resin transfer molding (RTM) process method that combines with vacuum impregnation, at 3-d braided fiber body support frame impregnated polymer manufacturing Biocomposite material bone object spare.The device that this method adopts mainly comprises air-pot, storage glue jar, mould, collection glue jar and vavuum pump; Its technical process comprises the braiding of 3-d braided fiber body support frame, surface treatment, support is inserted mould, vacuumize, inject resin to mould, solidify, the demoulding, finishing, it is characterized in that adopting carbon fiber, aramid fiber, polyethylene fibre or their composite fibre, with two five dimensions, three-dimensional four-way, three-dimensional five to and angle of weave be the 3 D weaving body support frame that 10-40 ° braiding structure is woven into, at first in air, carry out surface treatment 1-2h at 450-500 ℃, insert mould then under 40-150 ℃ of temperature and 0.1-0.35Mpa pressure condition, and guarantee that fiber volume fraction is 35-70%, inject medical epoxy resin to mould, monomer cast nylon, polysulfones or medical polyethylene matrix material, solidification temperature are below 200 ℃.
When adopting above-mentioned medical epoxy resin to be matrix material, its implantation temperature is 40-80 ℃, and injection pressure is 0.15-0.2Mpa.
The invention has the advantages that, the technical process condition is easy to control, the three-D weaved fibre reinforced polymer biological composite framework device of manufacturing, and its bending strength is 600-650MPa, bending modulus is 40-130GPa, has good mechanical and histocompatbility with living body bone.
Description of drawings
Fig. 1 is the device schematic diagram of the resin transfer molding (RTM) process of the present invention's employing.
Fig. 2 is a process flow diagram of the present invention.
1 is air-pot among the figure, and 2 are storage glue jar, and 3 is vavuum pump, and 4 are collection glue jar, and 5 is mould.
The specific embodiment
Example 1
Adopt carbon fiber to require fiber volume fraction under 45% situation with the braiding structure braided support of 25 ° of three-dimensional four-way and angle of weave, inject medical epoxy resin to mould, implantation temperature is 50 ℃, injection pressure is 0.15MPa, the viscosity of resin is below the 500MPa.s, solidification process is 90/2h and two stages of 140/2h, obtains bone object spare material property of the present invention and is: bending strength 720MPa, bending modulus 41GPa.
Example 2
Change fiber volume fraction and be 35% and angle of weave be 15 °, the bone object spare material property of making under other condition situation identical with example 1 of the present invention is: bending strength 734MPa, bending modulus 42GPa.
Example 3
Change fiber volume fraction and be 65% and angle of weave be 40 °, the bone object spare material property of making under other condition situation identical with example 1 of the present invention is: bending strength 699MPa, bending modulus 63GPa.
Claims (2)
1, a kind of three-D weaved fibre reinforced polymer biological composite framework device manufacture method, this method is a support with the 3-d braided fiber body, adopt the resin transfer molding (RTM) process method that combines with vacuum impregnation, manufacture at 3-d braided fiber body support frame impregnated polymer, the device that is adopted mainly comprises air-pot, storage glue jar, mould, collection glue jar and vavuum pump; Its technical process comprises the braiding of 3-d braided fiber body support frame, surface treatment, support is inserted mould, vacuumize, inject resin to mould, solidify, the demoulding, finishing, it is characterized in that: adopt carbon fiber, aramid fiber, polyethylene fibre or their composite fibre, with two five dimensions, three-dimensional four-way, three-dimensional five to and angle of weave be the 3 D weaving body support frame that 10-40 ° braiding structure is woven into, at first in air, carry out surface treatment 1-2h at 450-500 ℃, insert mould then under 40-150 ℃ of temperature and 0.1-0.35Mpa pressure condition, and guarantee that fiber volume fraction is 35-70%, inject medical epoxy resin to mould, monomer cast nylon, polysulfones or medical polyethylene matrix material, solidification temperature are below 200 ℃.
2, by the described three-D weaved fibre reinforced polymer biological composite framework device manufacture method of claim 1, it is characterized in that: when adopting medical epoxy resin to be matrix material, its implantation temperature is 40-80 ℃, and injection pressure is 0.15-0.2Mpa.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB02131098XA CN1194848C (en) | 2002-10-09 | 2002-10-09 | Manufacture method of three-D weaved fibre reinforced polymer biological composite framework device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB02131098XA CN1194848C (en) | 2002-10-09 | 2002-10-09 | Manufacture method of three-D weaved fibre reinforced polymer biological composite framework device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1413816A CN1413816A (en) | 2003-04-30 |
| CN1194848C true CN1194848C (en) | 2005-03-30 |
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| Application Number | Title | Priority Date | Filing Date |
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| CNB02131098XA Expired - Fee Related CN1194848C (en) | 2002-10-09 | 2002-10-09 | Manufacture method of three-D weaved fibre reinforced polymer biological composite framework device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101169382B (en) * | 2006-10-26 | 2012-07-04 | 斯奈克玛 | Manufacturing process for a pilot blade made of composite material |
| CN101169381B (en) * | 2006-10-26 | 2012-07-04 | 斯奈克玛 | Manufacturing process for a pilot blade made of composite material |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100336656C (en) * | 2005-11-29 | 2007-09-12 | 天津工业大学 | Injection apparatus for resin transfer moulding technology |
| ES2851010T3 (en) | 2010-04-13 | 2021-09-02 | Henkel IP & Holding GmbH | Procedures for preparing composites that have superior surface finish and high fiber consolidation |
| CN102940904B (en) * | 2012-11-26 | 2014-04-30 | 西安工程大学 | Method for preparing bone graft materials by knitting forming technology |
-
2002
- 2002-10-09 CN CNB02131098XA patent/CN1194848C/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101169382B (en) * | 2006-10-26 | 2012-07-04 | 斯奈克玛 | Manufacturing process for a pilot blade made of composite material |
| CN101169381B (en) * | 2006-10-26 | 2012-07-04 | 斯奈克玛 | Manufacturing process for a pilot blade made of composite material |
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| Publication number | Publication date |
|---|---|
| CN1413816A (en) | 2003-04-30 |
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