Autoinjector housing
AssigneeBecton Dickinson France
InventorsLouis Petit, Pierre Ducarouge, Michael Fiard, Matthieu Charvin
Life of this patent
Estimating the term…
Abstract
Provided herein is a housing assembly for a drug delivery device, including a first housing part having a first proximal end comprising a first engagement portion and a second engagement portion, a first distal end, and a first sidewall therebetween defining a first longitudinal axis and a first interior, the first sidewall comprising one or more windows therethrough; and a second housing part having a second proximal end, a second distal end comprising a third engagement portion and a fourth engagement portion, and a second sidewall therebetween defining a second longitudinal axis and a second interior.
Claims15
A housing assembly for a drug delivery device, comprising:
- a first housing part comprising:
- a first proximal end comprising a first engagement portion comprising a resiliently-biased clip comprising a radially-outward extending protrusion, and a second engagement portion,
- a first distal end, and
- a first sidewall therebetween defining a first longitudinal axis and a first interior, the first sidewall comprising one or more windows therethrough;
- and
- a second housing part comprising:
- a second proximal end,
- a second distal end comprising a third engagement portion and a fourth engagement portion, and
- a second sidewall therebetween defining a second longitudinal axis and a second interior, wherein the third engagement portion comprises an opening within and surrounded by the second sidewall,
- wherein, when the first housing part is connected to the second housing part, the first engagement portion is biased such that the radially-outward extending protrusion is received within the third engagement portion, thereby forming a positive lock with the third engagement portion and joining the first housing part and the second housing part such that the first longitudinal axis and the second longitudinal axis are coaxial, and
- wherein, when the first housing part and the second housing part are joined, the second engagement portion abuts the fourth engagement portion, such that the first housing part cannot rotate relative to the second housing part.
An injection device comprising:
- a housing assembly comprising:
- a first housing part comprising:
- a first proximal end comprising a first engagement portion comprising a resiliently-biased clip comprising a radially-outward extending outward protrusion, and a second engagement portion,
- a first distal end, and
- a first sidewall therebetween defining a first longitudinal axis and a first interior, the first sidewall comprising one or more windows therethrough;
- and
- a second housing part comprising:
- a second proximal end,
- a second distal end comprising a third engagement portion and a fourth engagement portion, and
- a second sidewall therebetween defining a second longitudinal axis and a second interior, wherein the third engagement portion comprises an opening within and surrounded by the second sidewall,
- wherein, when the first housing part and the second housing part are joined, the first engagement portion is biased such that the radially-outward extending protrusion is received within the third engagement portion, thereby forming a positive lock with the third engagement portion and joining the first housing part and the second housing part such that the first longitudinal axis and the second longitudinal axis are coaxial, and
- wherein, when the first housing part and the second housing part are joined, the second engagement portion abuts the fourth engagement portion, such that the first housing part cannot rotate relative to the second housing part;
- a syringe comprising a reservoir and a needle in fluid communication therewith, the syringe received within the first interior and/or the second interior;
- and
- a driver received within the second interior and configured to, upon actuation, expel medicament from the reservoir through the needle.
Dependencies are inferred from the claim text.