Administration device for administration of a fluid
AssigneeBoehringer Ingelheim International GmbH
InventorsAxel ROTH, Viola K. HOLMAN, Hans Jørgen JENSEN
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Abstract
An administration device for in particular intravitreal administration of a fluid, the administration device having a preferably pre-filled syringe and an actuation mechanism for actuating the syringe. The administration device preferably includes a priming device, in particular in addition to the actuation mechanism. It is preferably prevented that the priming device be advanced beyond a defined end position. The syringe can preferably be moved within a housing of the administration device and/or positioned completely inside the housing.
Claims21
An intravitreal administration device for intravitreal administration of a fluid, the administration device comprising a housing, a syringe with a syringe body and a piston and an actuation mechanism for actuating the syringe,
- wherein the administration device comprises a priming device configured to act on a the piston of the syringe and a blocking device for preventing the priming device from moving the piston to an end of the syringe,
- wherein the housing comprises two housing parts which are moveable relative to at least one of each other and the syringe, and
- wherein the actuation mechanism is configured for moving the syringe relative to the housing and comprises a spring for moving the syringe and the housing or a part thereof relative to each other, wherein the spring is at least one of arranged between the two housing parts and configured to move the housing parts apart.
An intravitreal administration device for intravitreal administration of a fluid, the administration device comprising a housing, a syringe and an actuation mechanism for actuating the syringe,
- wherein the actuation mechanism is configured for moving the syringe relative to the housing.
A method of intravitreal injection or injection of a fluid or a medicament directly into an eye using an administration device comprising a syringe and an actuation mechanism for actuating the syringe, wherein the administration device comprises a priming device configured to act on a piston of the syringe and a blocking device for preventing the priming device from moving the piston to an end of the syringe,
- wherein the housing comprises two housing parts which are moveable relative to at least one of each other and the syringe, and
- wherein the actuation mechanism is configured for moving the syringe relative to the housing and comprises a spring for moving the syringe and the housing or a part thereof relative to each other, wherein the spring is at least one of arranged between the two housing parts and configured to move the housing parts apart.
Dependencies are inferred from the claim text.