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AssigneeNovo Nordisk A/S
InventorsKristian Glejbøl, Frank Daniel Mersebach, Mette Ingrid Langkjær, Per Jeppesen, Niels Berg Madsen
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The present invention relates to a medication delivery device for delivering a set dose of medicament, the medication delivery device comprising pump means having first and second pump chambers. The first pump chamber is adapted to transfer medicament from a first collapsible reservoir to an outlet arrangement, said outlet arrangement being in fluidic communication with an associated hypodermic needle. The second pump chamber is adapted to transfer substance from a second reservoir to the outlet arrangement, wherein the first pump chamber is adapted to deliver the set dose of medicament during one or more pump strokes, the stroke volume(s) of said one or more pump strokes being variable.
A medication delivery device for delivering a set dose of medicament, the medication delivery device comprising
A medication delivery device according to any of the preceding claims, wherein the first collapsible reservoir comprises a substantially rigid portion and a collapsible portion, the collapsible portion being adapted to collapse into at least part of the substantially rigid portion upon changing the volume of the collapsible reservoir.
A medication delivery device according to any of the preceding claims, wherein the second reservoir comprises a second collapsible reservoir comprises a substantially rigid portion and a collapsible portion, the collapsible portion being adapted to collapse into at least part of the substantially rigid portion upon changing the volume of the collapsible reservoir.
A medication delivery device according to any of the preceding claims, wherein a displacement stroke and/or a restoring stroke of a pump cycle are/is at least partly actuated by the user of the medication delivery device.
A medication delivery device according to any of the preceding claims, wherein a displacement stroke and/or a restoring stroke of a pump cycle are/is at least partly actuated by a spring mechanism.
A medication delivery device according to any of the preceding claims, further comprising a hypodermic needle.
A method for delivering a set dose of medicament from a medication delivery device, the method comprising the steps of
Dependencies are inferred from the claim text.