Improvements in and relating to a medicament cartridge

Details Improvements in and relating to a medicament cartridge Improvements in and relating to a medicament cartridge

A - Human Necessities

61

M

A61M 5/28 (2006.01) A61M 5/24 (2006.01) B65D 51/00 (2006.01)

Patent

CA 2469071

Many of those having diabetes take a combination of slow and fast acting types of insulin. It is important that the different forms of medicament do not become confused. To this end, a medicament cartridge is provided comprising a sleeve (2) having a bottleneck providing a flange (14) at a first end, a fluid impermeable membrane (12) secured across the first end by a metal cap (6) beaded beneath the flange (14), and a displaceable piston (10) located internally of the sleeve (2) towards a second end of the sleeve (2), a collar (8) located against an external periphery of the cartridge housing beneath the flange (2) and an adaptor top (4) press fit over the cap (6) and the collar (8), the adaptor top (4) being provided with means to act upon the collar (8) thereby to retain the adaptor top (4) on the sleeve (2).

Le patients souffrant de diabète prennent un mélange d'insuline à type d'action rapide et lente. Il est important que les différentes formes de médicaments ne soient pas confondues. A cet effet, l'invention concerne une carpule de médicaments comprenant un manchon (2) qui présente un goulot formant un rebord (14) à une première extrémité, une membrane (12) imperméable au fluide qui est fixée à travers la première extrémité par un couvercle de métal (6) embouti en dessous dudit rebord (14), et un piston (10) qui peut être déplacé et situé à l'intérieur dudit manchon (2) vers une seconde extrémité dudit manchon (2). Ladite carpule comprend également une collerette (8) située à une périphérie extérieure du logement de ladite carpule, en dessous dudit manchon (2) et un capuchon adaptateur (4), pouvant être pressé, qui s'adapte sur ledit bouchon (6) et la collerette (8), ledit capuchon adaptateur (4) étant pourvu de moyens agissant sur la collerette (8) pour retenir ledit capuchon adaptateur (4) sur ledit manchon (2).

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