DRUG DELIVERY DEVICE WITH CLEARANCE COMPENSATION MEANS
First Claim
1. A drug delivery device for dispensing of a predefined dose of a medicinal product, comprising:
- a housing,a cartridge holder adapted to receive a cartridge containing the medicinal product to be dispensed, the cartridge holder being connectable to the housing,a drive mechanism to be operably engaged with the cartridge for setting and/or dispensing of a predefined dose of the medicinal product, characterized in thatthe drive mechanism in its entirety is axially slidingly supported in the housing by means of a guiding element axially coupled to the drive mechanism and being slidingly received in the housing for compensating axial clearance between the drive mechanism and the cartridge and wherein the drive mechanism is axially fixable relative to the housing.
1 Assignment
0 Petitions
Accused Products
Abstract
The present invention relates to a drug delivery device for dispensing of a predefined dose of a medicinal product, comprising: a housing, a cartridge holder adapted to receive a cartridge containing the medicinal product to be dispensed, the cartridge holder being connectable to the housing, a drive mechanism to be operably engaged with the cartridge for setting and/or dispensing of a predefined dose of the medicinal product, wherein the drive mechanism is axially slidingly supported in the housing for compensating axial clearance between the drive mechanism and the cartridge and wherein the drive mechanism is axially fixable relative to the housing.
24 Citations
11 Claims
-
1. A drug delivery device for dispensing of a predefined dose of a medicinal product, comprising:
-
a housing, a cartridge holder adapted to receive a cartridge containing the medicinal product to be dispensed, the cartridge holder being connectable to the housing, a drive mechanism to be operably engaged with the cartridge for setting and/or dispensing of a predefined dose of the medicinal product, characterized in that the drive mechanism in its entirety is axially slidingly supported in the housing by means of a guiding element axially coupled to the drive mechanism and being slidingly received in the housing for compensating axial clearance between the drive mechanism and the cartridge and wherein the drive mechanism is axially fixable relative to the housing. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10)
-
-
11. A method of eliminating axial clearance between a cartridge and a drive mechanism of a drug delivery device, wherein:
-
the cartridge is disposed in a cartridge holder characterized in that, the drive mechanism in its entirety is axially slidingly supported relative to housing, by means of a guiding element axially coupled to the drive mechanism and being slidingly received in the housing, wherein during assembly of cartridge holder and housing, the drive mechanism is axially displaced with respect to the housing in response of the drive mechanism operably engaging with the cartridge and wherein the drive mechanism is axially fixed with respect to the housing after assembly of housing and cartridge holder.
-
Specification