DRUG DELIVERY DEVICE WITH ELECTRO-MECHANIC DRIVE MECHANISM
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Abstract
The present invention relates to a drug delivery device for setting and dispensing of a dose of a medicament is presented comprising a housing to accommodate a cartridge filled with the medicament, an electrically operated drive mechanism to be operably engaged with the cartridge to expel a predefined dose of the medicament from the cartridge, and at least one dose element displaceably arranged relative to the housing to set and/or to dispense the dose of the medicament, wherein the dose element and the drive mechanism are mechanically decoupled from each other.
17 Citations
22 Claims
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1-11. -11. (canceled)
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12. A drug delivery device for setting and dispensing of a dose of a medicament comprising:
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a housing configured to accommodate a cartridge filled with the medicament, an electrically operated drive mechanism to be operably engaged with the cartridge configured to expel a predefined dose of the medicament from the cartridge, at least one dose element displaceably arranged relative to the housing configured to set and/or to dispense the dose of the medicament, wherein the dose element and the drive mechanism are mechanically decoupled from each other. - View Dependent Claims (13, 14, 15, 16, 17, 18, 19, 20, 21)
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22. A method of operating a drive mechanism of a drug delivery device, comprising the steps of:
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detecting a position and/or orientation of a dose element relative to a housing of the device, determining a size of the dose to be dispensed on the basis of said relative position and/or orientation, controlling an electrically driven dose dispensing procedure, and controlling displacement of displacing the dose element in an initial position and/or orientation during the dose dispensing procedure.
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Specification