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US 6,090,070 AGranted
Device for administering metered amounts of a liquid medicament
AssigneeRhone-Poulenc Rorer S.A.
InventorsJorg-Christian Hager, Kurt Gebhart, Helmut Lowenich, Ulrich Pastewka
Life of this patent
Estimating the term…
Abstract
A sale unit for the parenteral application of liquid pharmaceutical products by the user is described, whereby the unit comprises at least one cannula, a device to emit a given liquid amount of the pharmaceutical product in single doses, as well as at least one vessel filled with the pharmaceutical product, the vessel being arranged within the device and emptied in single doses by means of the device, and whereby each single dose corresponds to the given liquid amount of the pharmaceutical product.
Claims24
A device for emitting a given liquid amount of a pharmaceutical product in single doses, comprising:
- a casing;
- a vessel containing the pharmaceutical product receivable in a storage section located within said casing;
- an intermediate reservoir;
- said casing further including an outlet section from which the single dose of the pharmaceutical product is dispensed, the outlet section including a mounting section for detachably receiving a cannula in fixed engagement therewith, the cannula being communicative with said outlet section when received on said mounting section, the vessel being communicative with the outlet section via the intermediate reservoir such that when the vessel is received in the storage section, the given liquid amount of each single dose can firstly be drained from the vessel into the intermediate reservoir, and then from the intermediate reservoir into the outlet section, whereby the amount of the drained liquid can be determined for each single dose by the volume of the intermediate reservoir;
- a protecting element disposed at said outlet section;
- a first cylinder and a second cylinder surrounding the first cylinder arranged within the casing, the first cylinder and the second cylinder being shiftable axially relative to the casing, the storage section being disposed within the first cylinder and the intermediate reservoir being located within the second cylinder such that the first and the second cylinder are axially shiftable from a first position in which the cannula protrudes beyond the protecting element and in which the intermediate reservoir is emptied via a connecting conduct and the cannula communicative therewith, and a second position in which the cannula is shielded by the protecting element and in which the intermediate reservoir is filled with the single dose from the vessel received in the storage section.
3 more elements
A device for emitting a given liquid amount of a pharmaceutical product in single doses, comprising:
- a casing;
- a vessel containing the pharmaceutical product receivable in a storage section located within said casing;
- an intermediate reservoir;
- said casing further including an outlet section for the single dose of the pharmaceutical product, the outlet section including a mounting section, the vessel being communicative with the outlet section via the intermediate reservoir such that when the vessel is received in the storage section, the given liquid amount of each single dose can firstly be drained from the vessel into the intermediate reservoir, and then from the intermediate reservoir into the outlet section, whereby the amount of the drained liquid can be determined for each single dose by the volume of the intermediate reservoir;
- a cannula detachably receivable in fixed engagement with the mounting section and communicative with the outlet section when received on said mounting section;
- a protecting element disposed at said outlet section;
- and
- a first cylinder and second cylinder surrounding the first cylinder and being arranged within the casing such that the first cylinder and the second cylinder are shiftable axially relative to the casing, the storage section being disposed within the first cylinder and the intermediate reservoir connected with the vessel is located within the second cylinder such that the first and the second cylinders are axially shiftable from a first position in which the cannula protrudes over the protecting element and in which the intermediate reservoir is emptied, into a second position in which the cannula is shielded by the protecting element, and such that for filling the intermediate reservoir, the first cylinder is axially shiftable into a third position in the direction of the vessel relative to the second position of the second cylinder.
5 more elements
Dependencies are inferred from the claim text.