Microneedle patch and production method therefor
US11998711B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Dec 19, 2019 |
| Grant date | Jun 4, 2024 |
| Priority date | — |
| Expiry date | Oct 5, 2042 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB29C2045/0094
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
Provided are a micro-needle patch and a manufacturing method thereof. The micro-needle patch includes: a support on one surface of which grooves are formed; a gel membrane for delivery of a transmitter to be transferred in which the grooves are filled with a mixture of the transmitter with a biodradable resin, the mixture being in a gel phase; a plurality of micro-needles projected on the other surface of the support and for penetrating the skin; a first protective film that covers the gel membrane and is adhered on the support; and a second protective film that covers the plurality of micro-needles and is adhered on the other surface, wherein passages are formed by being penetrated from the support to each of the plurality of micro-needles or formed by penetrating the support between the plurality of micro-needles, so that the transmitter of the gel membrane is transferred to the skin.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.