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DRIVE DEVICE FOR PHARMACEUTICAL ADMINISTRATION AND PHARMACEUTICAL ADMINISTRATION DEVICE
DRIVE DEVICE FOR PHARMACEUTICAL ADMINISTRATION AND PHARMACEUTICAL ADMINISTRATION DEVICE
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机译:药品管理驱动装置及药品管理装置
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摘要
A drive assembly for a drug delivery device is provided, including a piston rod which is moveable in a distal direction in order to deliver a dose of medication, and including a drive element which is configured to cause a movement of the piston rod. The drive assembly further includes a decelerating mechanism which is configured to decelerate the movement of the drive element such that the movement of the piston rod is decelerated during the dispense of a dose. The decelerating mechanism includes a decelerating element which is fixed with respect to a housing of the drug delivery device at least during the dispense of a dose and the drive element, wherein the drive element is configured to rotate with respect to the housing during the dispense of a dose, and wherein the decelerating element and the drive element rub against each other during the dispense of a dose.
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