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US 2003/0153896 A1Published application
Medicament cartridge
AssigneeDCA Design International Limited
InventorsRobert Woolston, Christopher Nigel Langley, Lee Simon Adams
Life of this patent
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AssigneeDCA Design International Limited
InventorsRobert Woolston, Christopher Nigel Langley, Lee Simon Adams
Estimating the term…
Many of those having diabetes take a combination of slow and fist acting types of insulins It is important that the different forms of medicament do not become confused. To this end, a medicament cartridge is provided comprising a sleeve having a bottleneck provide g a flange at a first end, a fluid moveable membrane secured across the first end by a metal cap beaded beneath the flange, and a displaceable piston located internally of the sleeve wards a second end of the slam a collar located against an external periphery of the cartridge housing beneath the flange and an adapter top press fit over the cap and the collar, the adapter top being provided with means to act upon the collar thereby to T the adapter top on the sleeve.
1 A medicament cartridge comprising a sleeve having a bottleneck providing a flange at a first end, a fluid impermeable membrane secured across the first end by a metal cap beaded beneath the flange, and a displace piston located internally of the sleeve towards a second end of the sleeve, a collar located against an external periphery of the cartridge housing beneath tie flange and an adapter top press fit over the cap and the collar, the adapter top being provided with means to act upon the collar thereby to retain the adapter top on the sleeve.
2 A medicament cartridge according to claim 1, wherein the collar is adhered to the sleeve.
3 A medicament cartridge according to claim 1, wherein the collar is defined by a first inner surface that conforms to a peripheral surface of the sleeve and a second outer surface.
4 A medicament cartridge according to claim 3, wherein the second outer surface provides a smooth rounded surface.
5 A medicament cartridge according to claim 1, wherein the collar is formed as a hinged member.
6 A medicament cartridge according to claim 1, wherein the collar has a first end provided with a male coupling and a second end provided with a female coupling to receive the male coupling.