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US 10,646,702 B2Granted
Microneedle, mould for producing same, and production method for same
AssigneePaean Aesthetics Inc.
InventorsBoojoon Sul, Manhee Han
Life of this patent
Estimating the term…
Abstract
The present invention relates to a microneedle, to a mould for producing same, and to a production method for same. More specifically, the present invention concerns a microneedle for causing a skin-beautifying substance or drug to be absorbed via the skin, to a plastic mould for producing same, and to a production method for same.
Claims9
A micro-needle composition for percutaneous delivery of a dermal cosmetic material or drug, the composition comprising:
- a plurality of micro-needles;
- and
- a non-aqueous media comprising the dermal cosmetic material or drug,
- wherein the plurality of microneedles comprises a tetrahedral or pyramidal body with four or five pointed vertices that are not fixed to a flat base or substrate,
- wherein the plurality of micro-needles are water-dissolvable and mixed with the non-aqueous media such that the tetrahedral or pyramidal body is randomly oriented in the composition,
- wherein, when pressed against skin, any of the four or five pointed vertices of the randomly oriented the tetrahedral or pyramidal body is configured to pierce stratum corneum of the skin for facilitating the dermal cosmetic material or drug to diffuse into dermis underneath the stratum corneum.
3 more elements
Dependencies are inferred from the claim text.