NANOSTRUCTURE AND METHOD FOR PRODUCING SAME
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United States of America Patent
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Sep 8, 2022
app pub date -
Jul 2, 2020
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Jul 3, 2019
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Abstract
A nanostructure is made of a plurality of nanocrystals on at least one surface or surface region of a titanium body. A method for generating such nanostructure is by means of hydrothermal oxidation. Thereby, the nanocrystals have a basic tetragonal-pyramidal shape, at least in some regions. The area density of the nanocrystals is between 40 and 400 per μm2, wherein the area density decreases with increasing crystal height. The average spacing of 50 to 160 nm of adjacent nanocrystals is obtained at a nanocrystal height of 23 to 100 nm. This provides a titanium-based, bactericidal and hydrophilic nanostructure for implant surfaces and, at the same time, a corresponding manufacturing method with which the size and distribution of the nanocrystals forming a nanostructure that facilitates healing can be determined.
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