An implanted bandage for promoting the repair of bone damage and its preparation method
A bone injury repair and bandage technology, applied in the field of biomedical implant materials, can solve problems such as endangering the healing efficiency of bone injury, lack of periosteum-derived stem cells, and adverse effects of bone injury, so as to solve the problem of delayed bone injury healing and repair, and avoid soft tissue damage. Effects of ingrowth and sequestration, improving biocompatibility
- Summary
- Abstract
- Description
- Claims
- Application Information
AI Technical Summary
Problems solved by technology
Method used
Image
Examples
Embodiment 1
[0094] Example 1: 0.04-8 μm, the particle size of the inorganic mineral particles is 0.02-40 μm.
[0095] 1) The mesoporous bioglass nanopowder (chemical composition is 28CaO-42SiO) with a particle size of 0.15-0.85μm 2 -12B 2 O 3 -4P 2 O 5 -6MgO-1CuO-2ZnO-4Na 2 O-1K 2 O) Add to the hyaluronic acid-gelatin composite aqueous solution with a mass ratio of 1:9 and stir evenly, the mass ratio of bioglass to organic matter is 1:20, and prepare an organic-inorganic composite with a bioglass concentration of 50 mg / ml The solution was then transferred to the electrospinning reservoir, the spinning distance was set to 15 cm, the spinning voltage was 16 kV, and electrospinning was carried out at a speed of 0.4 ml / hour, and then the porous copper foil carrier was collected on a porous copper foil carrier with a thickness of 200. Micron-level microfiber porous membrane;
[0096] 2) The organic substance used for preparing the poly-L-lactide-caprolactone porous mesh is directly plac...
Embodiment 2
[0100] 1) Mesoporous bioglass particles with a particle size of 0.50-1.20 μm (chemical composition 24CaO-48SiO) 2 -12B 2 O 3 -2P 2 O 5 -6MgO-4ZnO-4Na 2 O) join in the sodium alginate-gelatin composite solution that the ratio of mass is 2:5 and stir, the mass ratio of ultrafine particles and organic matter is 1:15, and it is organic-inorganic that the concentration of ultrafine particles is 20mg / ml. The composite solution was then transferred to the electrospinning reservoir, the spinning distance was set to 18 cm, the spinning voltage was 18 kV, and the electrospinning was carried out at a speed of 0.3 ml / h, and then collected on an aluminum foil carrier with a thickness of 150 Micron-level microfiber porous membrane;
[0101] 2) The organic substance used to prepare the polycaprolactone porous grid is directly placed in the material container of the three-dimensional printer, and the polymer is softened by heating and extruded out of the printing nozzle. The microfiber p...
Embodiment 3
[0105] 1) The mesoporous bioglass powder (24CaO-56SiO) with a particle size of 0.32 to 1.10 μm 2 -8B 2 O 3 -4MgO-2ZnO-6Na 2 O) join in the sodium alginate-gelatin-polyvinylphosphoric acid composite organic matter solution that the ratio of mass is 2:8:1 and stir, the mass ratio of ultrafine particles and organic matter is 1:15, and the concentration of ultrafine particles is formulated as 20 mg / ml of the organic-inorganic composite solution, then transferred to the reservoir for electrospinning, the spinning distance was set to 16 cm, the spinning voltage was 20 kV, and the electrospinning was carried out at a speed of 0.4 ml / hour, and then Collect the microfiber porous film with a thickness of 280 microns on the aluminum foil drum carrier;
[0106] 2) The organic matter used to prepare the sodium carboxymethyl cellulose porous mesh is directly placed in the material container of the three-dimensional printer, and the polymer is softened by heating and extruded out of the p...
PUM
Property | Measurement | Unit |
---|---|---|
particle size | aaaaa | aaaaa |
particle size | aaaaa | aaaaa |
thickness | aaaaa | aaaaa |
Abstract
Description
Claims
Application Information
- R&D Engineer
- R&D Manager
- IP Professional
- Industry Leading Data Capabilities
- Powerful AI technology
- Patent DNA Extraction
Browse by: Latest US Patents, China's latest patents, Technical Efficacy Thesaurus, Application Domain, Technology Topic, Popular Technical Reports.
© 2024 PatSnap. All rights reserved.Legal|Privacy policy|Modern Slavery Act Transparency Statement|Sitemap|About US| Contact US: help@patsnap.com