Transdermal transport device with suction

Details Transdermal transport device with suction Transdermal transport device with suction

A - Human Necessities

61

M

A61M 5/142 (2006.01) A61M 37/00 (2006.01) A61M 5/158 (2006.01)

Patent

CA 2464670

A transdermal transport device includes a reservoir for holding a formulation of an active principle, and one or more needles (14). Each needle has a bore through which the formulation is transported between the reservoir and a biological body, and has an end portion that is substantially algined in a plane parallel to a surfaceof the biological body when the device is placed on the surface. The device also includes a vaccum generator (28) which creates a suction to draw a portion of the surface beyond the plane of the end portions to enable the end portions to penetrate the portion of the surface as the needles are translated along an axis that is substantially parallel to the plane.

L'invention porte sur un dispositif de transport transcutané comprenant un réservoir destiné à contenir une formulation d'un principe actif et une ou plusieurs aiguilles (14). Chaque aiguille présente un alésage à travers lequel la formulation est transportée depuis le réservoir vers un corps biologique, ainsi qu'une partie d'extrémité pratiquement alignée dans un plan parallèle à une surface du corps biologique lorsque le dispositif se trouve sur la surface. Le dispositif comprend également un générateur sous vide (28) engendrant une aspiration dans le but d'avancer une partie de la surface au-delà du plan des parties d'extrémité afin de leur permettre de pénétrer dans la partie de la surface à mesure que les aiguilles sont acheminées le long d'un axe pratiquement parallèle au plan.

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