Micro-needle dressing carrying repair matrix

The present disclosure describes a microneedle dressing carrying a repair matrix, the microneedle dressing comprising a substrate layer having a lower surface facing a target surface in use and an upper surface opposite the lower surface, and a microneedle layer comprising a plurality of tapered pro...

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Bibliographische Detailangaben
Hauptverfasser: WU RONG, HOU XINGUO, DUAN WU, HE FALIAN, CHEN LI, LIU FUQIANG, LYU BIN, WANG HAIPENG
Format: Patent
Sprache:chi ; eng
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Beschreibung
Zusammenfassung:The present disclosure describes a microneedle dressing carrying a repair matrix, the microneedle dressing comprising a substrate layer having a lower surface facing a target surface in use and an upper surface opposite the lower surface, and a microneedle layer comprising a plurality of tapered protrusions from the lower surface toward the target surface, the conical protrusion is provided with a containing part used for containing the repair matrix, the containing part is an annular groove concaved inwards from the outer wall of the conical protrusion, the repair matrix has water solubility and comprises a first part in a dry powder shape and a second part in a film shape, the first part is located in the containing part, and the second part is located in the containing part. The second part is arranged on the outer wall of the conical protrusion and completely covers the opening of the containing part. According to the invention, the microneedle dressing which can stably carry a large amount of repair matr