Dermal access member

Details Dermal access member Dermal access member

A - Human Necessities

61

M

A61M 37/00 (2006.01) A61K 9/70 (2006.01) A61M 31/00 (2006.01)

Patent

CA 2474742

An apparatus for delivering or withdrawing a fluid through at least one layer of the skin is provided. A device (10) includes a body (12) having a top face (20), a bottom face (18), a side edge (16) and at least one channel (22). The bottom face (18) includes a first surface area (28) and a second surface area (30) adjacent to and recessed at a first distance from the first surface area (28). The bottom face (18) further includes at least one raised protrusion (32) disposed on the second surface area (30). The protrusion (32) has a height from the first surface (28) greater than the first distance. At least one dermal-access member (14) is provided in the protrusion (32) and is in fluid communication with the channel (22) to deliver or withdraw the fluid. The dermal-access member (14) extends at least 1 mm from the protrusion (32). A mechanism drives the device (10) against the skin at a calculated speed of about 6 m/s to about 18 m/s.

Appareil permettant d'administrer ou d'extraire une substance à travers au moins une couche de la peau. Le dispositif comprend un corps comportant une face supérieure, une face intérieure, un bord latéral et au moins un canal. La face inférieure comprend une première surface et une seconde surface située contre la première, et présentant un évidement à une première distance de ladite première surface. La face inférieure présente au moins un renflement sur la seconde surface. La hauteur de ce renflement par rapport à la première surface est supérieure à la première distance. Le renflement comporte au moins un élément d'accès dermique en communication fluidique avec le canal et qui permet d'administrer ou d'extraire un fluide. L'élément d'accès dermique dépasse du renflement d'au moins 1 mm. Un mécanisme présente le dispositif contre la peau à une vitesse de l'ordre de 6 m/s-18 m/s.

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