Single dose medicament delivery device
AssigneeShl Medical AG
InventorMattias Daniel
Life of this patent
Estimating the term…
Abstract
A medicament delivery device configured to provide a variable single dose of medicament is disclosed. The medicament delivery device includes a main body and a syringe arranged in the main body, wherein the syringe comprises a medicament. The medicament delivery device further includes a removable cap and a plunger rod operatively arranged to eject the medicament through a delivery member i.e. an injection needle attached to the syringe. Still further, the medicament delivery device includes a tubular member coupled to the plunger rod. The tubular member is configured to rotate during removing of the removable cap, and the rotation releases the plunger rod thereby allowing the plunger rod to travel a predetermined distance so as to prime the medicament delivery device.
Claims20
A medicament delivery device comprising:
- a main body;
- a syringe arranged in the main body, wherein the syringe comprises a medicament;
- a delivery member shield unit slidably arranged in the main body;
- a removable cap abutting the delivery member shield unit, wherein the removable cap comprises a snap-fit feature configured to releasably connect to a corresponding snap-fit feature on the delivery member shield unit;
- and
- a plunger rod operatively arranged to eject the medicament through a delivery member attached to the syringe,
- wherein, during removal of the removable cap, as a user removes the removable cap both the removable cap and delivery member shield unit move in a distal direction,
- wherein the delivery member shield unit includes an axial stop that limits a distal travel of the delivery member shield unit, and
- wherein as the user removes the removable cap, after the delivery member shield unit reaches the axial stop the removable cap disengages from the delivery member shield unit.
Dependencies are inferred from the claim text.