Medication Delivery Device Applying A Collapsible Reservoir
First Claim
1. A medication delivery device for delivering a medicament, the medication delivery device comprisingpump means, anda collapsible reservoir adapted for containing a medicament, the pump means being adapted to transfer the medicament from the collapsible reservoir to an outlet arrangement, said outlet arrangement being adapted to be operatively connected to an associated hypodermic needle,wherein the pumps means is adapted to deliver a set dose of medicament during one or more pump strokes, the stroke volume(s) of said one or more pump strokes being variable.
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Accused Products
Abstract
The present invention relates to a medication delivery device comprising pump means and a reservoir adapted for containing a medicament. The pump means is adapted to transfer the medicament from the reservoir to an outlet arrangement, said outlet arrangement being adapted to be operatively connected to an associated hypodermic needle. The pumps means is adapted to deliver a set dose of medicament during one or more pump strokes, wherein the stroke volume(s) of said one or more pump strokes is variable. The present invention further relates to a method for adjusting stroke volumes to a set dose of medicament.
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Citations
24 Claims
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1. A medication delivery device for delivering a medicament, the medication delivery device comprising
pump means, and a collapsible reservoir adapted for containing a medicament, the pump means being adapted to transfer the medicament from the collapsible reservoir to an outlet arrangement, said outlet arrangement being adapted to be operatively connected to an associated hypodermic needle, wherein the pumps means is adapted to deliver a set dose of medicament during one or more pump strokes, the stroke volume(s) of said one or more pump strokes being variable.
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15. A method for delivering a set dose of medicament from a medication delivery device, the method comprising:
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setting the dose of medicament to be expelled from the medication delivery device, and expelling the set dose of medicament from a collapsible reservoir by operating pump means of the medication delivery device in a manner so that the set dose of medicament is expelled using one or more pump strokes, wherein the stroke volume or stroke volumes associated with the one or more pump strokes is/are set in accordance with the dose of medicament to be expelled. - View Dependent Claims (16, 17, 18)
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19. A reservoir for medication delivery devices and for containing a medicament, the reservoir comprising:
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a substantially rigid portion, and a collapsible portion, wherein both rigid and collapsible portions are adapted to contact the medicament, the collapsible portion being adapted to collapse into at least part of the substantially rigid portion upon expelling medicament from the reservoir. - View Dependent Claims (20, 21, 22, 23, 24)
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Specification