MICRO-NEEDLE DEVICE AND PREPARATION METHOD

    公开(公告)号:CA2790923C

    公开(公告)日:2017-10-31

    申请号:CA2790923

    申请日:2011-02-24

    Abstract: A micro-needle device has a base, micro-needles, which are established on this base, and a physiologically active composition, which is adhered to the micro-needles and/or the base. The physiologically active composition contains a physiologically active substance and at least one type of polyhydric alcohol, selected from glycerin, ethylene glycol, propylene glycol and 1, 3-butylene glycol. The micro-needle device is effectively free of water.

    17.
    发明专利
    未知

    公开(公告)号:AT532553T

    公开(公告)日:2011-11-15

    申请号:AT07713903

    申请日:2007-02-07

    Abstract: It is intended to provide a transdermal drug administration apparatus having microneedles, which is capable of piercing the skin by a simple procedure in the transdermal administration of a biologically active substance (drug) and allows rapid absorption of the biologically active substance. The present apparatus comprises a microneedle device (50) comprising a microneedle substrate (53) having a plurality of microneedles (51) capable of piercing the skin, an absorbent (11) disposed thereon, the absorbent (11) comprising a material capable of absorbing a liquid, and a dissolving solution reservoir (18) disposed on the absorbent (11), the dissolving solution reservoir (18) containing a dissolving solution (16) for dissolving a drug and being capable of disrupting a diaphragm (20) provided the dissolving solution reservoir (18) and the absorbent (11) by pressing. A coating containing a dry drug is disposed on the microneedles (51) and/or the microneedle substrate (53).

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