DEVICE FOR ADMINISTERING AN INJECTABLE PRODUCT
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Abstract
The invention provides a injection device for administering an injectable product, including a base section adapted to receive a container from which a product dose is dispensed through a needle by displacement of a piston in the container, and a drive unit including a driven member, a drive element and a damping arrangement, the drive unit for applying a force to advance the piston in the container to dispense a dose, wherein the damping arrangement generally counteracts the drive force and counter forces. The invention also encompasses a needle safety sleeve and a blocking structure for use with injection devices.
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Citations
14 Claims
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1. (canceled)
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3-4. -4. (canceled)
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8. (canceled)
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11-13. -13. (canceled)
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14. A device for administering an injectable product, comprising:
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a) a base section;
b) a container arranged in the base section from which container a product dose is dispensed through a needle by displacement of a piston associated with the container;
c) a drive unit, comprising a driven member and a drive element, the drive element applying a drive force on said driven member upon actuating the drive unit, by which drive force said driven member is displaced in the direction of the piston, thus advancing said piston within said container; and
d) a needle safety sleeve displaceably arranged in relation to said base section from a base position in which it generally surrounds the needle to an administering position, in which said needle projects beyond said needle safety sleeve, said needle safety sleeve being blockable against displacement in a direction towards the administering position in relation to said base section. - View Dependent Claims (2, 5, 6, 7, 9, 10)
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Specification