A - Human Necessities – 61 – M
Patent
A - Human Necessities
61
M
A61M 5/315 (2006.01) A61M 5/24 (2006.01)
Patent
CA 2122445
A liquid preparation of a pharmaceutically active agent having a defined composition is repeatedly dosed from a multi-dose container having a defined vo- lume. The amount dosed is selected as 1 /N of the volume of the multi-dose con- tainer, N being an integer having a value of 2 or higher. A device for dosing a li- quid preparation comprises a holder (1) for a multi-dose container (2), which has a movable rear wall (5) acting as a piston for expelling the liquid preparation (6) from the container, and a piston rod (7) which is provided with releasable block- ing means (11,14,19, 22), such that the movement of the piston rod is limited to a preset length (35) corresponding to an expelled volume of 1/N of the volume of said multi-dose container, N being an integer having a value of 2 or higher. A pre- ferred embodiment of the device is as an injection device for repeated parenteral injections from an injection cartridge.
Fryklund Linda
Gustavsson Marie-Louise
Hjertman Birger
Kaluski Jacob
Levander Gustav
Fetherstonhaugh & Co.
Kabi Pharmacia Ab
Pharmacia & Upjohn Aktiebolag
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