A - Human Necessities – 61 – M
Patent
A - Human Necessities
61
M
A61M 1/00 (2006.01)
Patent
CA 2640881
A drug delivery device includes a pressurized reservoir in communication with a flow path to an outlet. The flow path includes two normally-closed valves and a flow restriction. A pressure measurement arrangement measures a differential fluid pressure between two points along the flow path which span at least part of the flow restriction, one of the points being between the valves. A controller selectively opens the valves to deliver a defined quantity of the liquid medicament to the outlet.
La présente invention concerne un dispositif de libération de médicament qui comprend un réservoir sous pression en communication avec un trajet d'écoulement vers un orifice de sortie. Ledit trajet comprend deux vannes normalement fermées et une restriction de débit. Un agencement de mesure de pression mesure une pression fluidique différentielle entre deux points le long dudit trajet qui s'étendent sur au moins une partie de ladite restriction, l'un des points se trouvant entre les vannes. Un dispositif de commande ouvre de manière sélective les vannes pour libérer une quantité définie du médicament liquide vers l'orifice de sortie.
Nilimedix Ltd.
Ogilvy Renault Llp/s.e.n.c.r.l.,s.r.l.
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