Two Piece Housing For Drug Loading
AssigneeAlcon Research, Ltd.
InventorsDon A. Clements, Julie A. Clifford, Michell R. Dupre, Mark T. DuPriest, Michael J. Piazza, Pardeep K. Sethi, Roger Vanderlaan
Life of this patent
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Abstract
A drug loading apparatus has a dispensing chamber housing formed by a top housing part and a bottom housing part. The top housing part is separable from the bottom housing part. A plunger is located in the bottom housing part such that the plunger forms a first fluid seal with an inner wall of the bottom housing part. When the top housing part is coupled to the bottom housing part, a second fluid seal is formed.
Claims8
An apparatus comprising:
- a dispensing chamber housing formed by a top housing part and a bottom housing part, the top housing part separable from the bottom housing part;
- and
- a plunger located in the bottom housing part such that the plunger forms a first fluid seal with an inner wall of the bottom housing part;
- wherein when the top housing part is coupled to the bottom housing part, a second fluid seal is formed.
A method of loading an injection device comprising:
- placing a plunger in a bottom housing part of a dispensing chamber housing to form a dispensing chamber bounded by a top face of the plunger and an inner wall of the bottom housing part;
- dispensing a substance into the dispensing chamber;
- and
- sealing a top housing part to the bottom housing part.
The method of claim 12 further comprising:
- heating the bottom housing part.
Dependencies are inferred from the claim text.