| 摘要 |
A microneedle device 1 comprising at least one hollow microneedle 60 defining a tip 61, a base end 62 and an internal bore 65 connecting an opening 64 in the microneedle to the base end 62 of the microneedle. Wherein, a microporous material 67 is provided in said internal bore 65, the microporous material 67 defining an internal flow path for fluid to pass through the porous material. In another aspect, the devices incorporate microneedles 4 capable of fluidly linking the body to a high capacity absorbent material 3 capable of absorbing at least 5 times its own weight of said fluid. In other aspects, the microneedles may be hollow hydro gel microneedles, solid microporous microneedles, hydrophobic hollow microneedles provided with bores having a hydrophilic lining. |
