초록 ▼

A device (3) comprising a sheet member (6) having a plurality of microprotrusions (4) for penetrating the skin and a substantially incompressible agent reservoir housing (15) contacting and extending across the sheet member (6) for transmitting a hold-down force applied the sheet member (6) to maint

A device (3) comprising a sheet member (6) having a plurality of microprotrusions (4) for penetrating the skin and a substantially incompressible agent reservoir housing (15) contacting and extending across the sheet member (6) for transmitting a hold-down force applied the sheet member (6) to maintain the microprotrusions (4) in skin-piercing relation to the skin, even during and after normal patient body movement.

대표청구항 ▼

[ What is claimed is:] [1.] A device for use in introducing or withdrawing an agent through a body surface, comprising:a body surface piercing member having a plurality of microprotrusions extending from a body surface proximal portion of the member, the microprotrusions being adapted to pierce the

[ What is claimed is:] [1.] A device for use in introducing or withdrawing an agent through a body surface, comprising:a body surface piercing member having a plurality of microprotrusions extending from a body surface proximal portion of the member, the microprotrusions being adapted to pierce the body surface to a depth of up to about 500 .mu.m,a housing containing a reservoir for the agent to be introduced or withdrawn, the housing contacting and extending across a substantial portion of a body surface distal portion of the piercing member and maintaining the reservoir in agent-transmitting relation with the pierced body surface, the housing having a compressibility, in a direction normal to the body surface, of less than about 250 .mu.m, anda securing member for securing the device to the body surface.