Automatic two-chamber injector

Details Automatic two-chamber injector Automatic two-chamber injector

A - Human Necessities

61

M

128/84

A61M 5/20 (2006.01) A61M 5/28 (2006.01) A61M 5/32 (2006.01)

Patent

CA 1303931

ABSTRACT The invention relates to an automatic two-chamber injector for mixing and injecting a medical solution. The injector comprises a barrel (11) having a first end with a receiving portion (15) for an injection needle (17), said portion being sealed prior to use, and a second end with a displaceable plunger (27). The barrel (11) comprises two chambers (29, 30) separated by a migrationproof membrane (28), said membrane (28) being adapted to rupture when the plunger (27) is displaced towards the first end of the barrel (11). The invention also relates to a method for mixing and injecting a solution by means of an automatic two-chamber injector and to a cartridge for a two-chamber injector. Figure 1.

563965

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