Injection device

A - Human Necessities – 61 – M

Patent

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Details

A61M 5/142 (2006.01) A61M 5/158 (2006.01) A61M 39/12 (2006.01)

Patent

CA 2634340

The application relates to a device for an intermittent or continuous administration of a therapeutical substance, such as insulin, comprising a base part to which an injection part and a delivery part (3,4) are fastened. The delivery part comprises a reservoir and a pump, and the injection part comprises base plate (10), a cannula part (1) with a body with a through-going opening, and at least one cannula having a proximal end protruding from the lower side of the body and means for fastening the base plate (10) to the skin of the user. The device is characterized in that the delivery part (3, 4) and the injection part is assembled through a connector (2) comprising a fluid path leading fluid from the reservoir (4) to the through-going opening in the cannula part (1, 1 b) which fluid path comprises means (7, 8, 8b, 8c) for blocking access to the injection part when the connector (2) is disconnected from the delivery part (3, 4) and/or the injection part.

L'invention concerne un appareil d~administration intermittente ou continue d'une substance thérapeutique, telle que de l'insuline, comprenant une partie de base à laquelle sont attachées une partie d~injection et une partie de livraison (3,4). La partie de livraison comprend un réservoir et une pompe, et la partie d~injection comprend la plaque de base (10), une partie de canule (1) avec un corps muni d~une ouverture le traversant, et au moins une canule ayant une extrémité proximale qui dépasse du côté inférieur du corps et un moyen d~attacher la plaque de base (10) à la peau de l'utilisateur. L'appareil est caractérisé en ce que la partie de livraison (3,4) et la partie d~injection sont assemblées par un connecteur (2) comprenant un passage de fluide amenant le fluide du réservoir (4) à l'ouverture traversant la partie de canule (1,1b), ledit passage de fluide comprenant des moyens (7,8,8b,8c) de bloquer l'accès à la partie d~injection quand le connecteur (2) est déconnecté de la partie de livraison (3,4) et/ou de la partie d~injection.

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