Micro needle roller assembly
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United States of America Patent
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Jun 5, 2018
Issued Date -
Dec 17, 2009
app pub date -
Jun 27, 2007
filing date -
Jul 3, 2006
priority date (Note) -
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Abstract
The present invention provides a micro needle roller assembly comprising a roller head including an external cylindrical member having a plurality of micro needles mounted on a surface thereof and an internal member placed in the external member and supported to the external member by supporting pieces; and a handling member coupled to the internal member for rotating the internal member of the roller head; the plurality of micro needles, the external cylindrical member and the internal member being made of a polymer resin.
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