TRANSDERMAL DRUG DELIVERY APPARATUS AND METHODS

摘要

A transdermal drug delivery apparatus includes a housing for being fastened to a user, a microneedle assembly for being engaged against the skin of the user, a first force provider for providing a first force for forcing the microneedle assembly outwardly from the housing and against the skin, a reservoir movably carried by the housing for containing the fluid and for being in fluid communication with the microneedle assembly, and a second force provider for providing a second force for causing at least some of the fluid to flow from the reservoir to the microneedle assembly after the reservoir has moved into fluid communication with the microneedle assembly.