Preparation method of metal support surface micro blind hole drug-loaded layer
A metal stent and manufacturing method technology, applied in the fields of coating, medical science, prosthesis, etc., can solve the problems of difficult to maintain the initial state, inconsistent tension, acute and subacute thrombosis in patients, etc., to increase the drug-carrying space, increase The effect of surface area
Active Publication Date: 2007-02-28
LIAONING YINYI BIOTECH CO LTD
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Abstract
The invention discloses a preparing method of metal rack surface micro-blind hole drug-carrying layer, which comprises the following steps: a. heating NaOH solution at 100 deg.c to dispose metal rack surface, removing impurity and oxide film, cleaning through deionized water, drying, b. preparing 0.01-1.00mol/L etching liquid through analytical pure acid under normal temperature, marking the etching liquid, c. immersing the metal rack in the etching liquid under normal temperature for 8-20h, cleaning through deionized water, drying, d. allocating certain density of organic solution through organic solvent and metal rack carrier under normal temperature, e. placing metal rack with micro-blind hole on the surface in the organic solution under normal temperature, shocking through microwave for 15 min, drying.
Application Domain
CoatingsProsthesis
Technology Topic
OxideBiological materials +12
Examples
- Experimental program(2)
Example
Example
PUM
Property | Measurement | Unit |
Average pore size | 0.8 ~ 2.5 | µm |
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