Micro needle roller assembly
US9987475B2 · kind B2 · utility
Assignees
Inventors
Key dates
| Filing date | Jun 27, 2007 |
| Grant date | Jun 5, 2018 |
| Priority date | — |
| Expiry date | Mar 26, 2030 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61N2005/066
- WIPO fieldMedical technology
- WIPO sectorInstruments
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.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.