Automatic medicament ingredient mixing and injecting apparatus

Details Automatic medicament ingredient mixing and injecting apparatus Automatic medicament ingredient mixing and injecting apparatus

A - Human Necessities

61

M

128/80

A61M 5/30 (2006.01) A61M 5/20 (2006.01) A61M 5/19 (2006.01)

Patent

CA 1263576

AUTOMATIC MEDICAMENT INGREDIENT MIXING AND INJECTING APPARATUS ABSTRACT OF THE DISCLOSURE An automatic injector apparatus comprising an outer housing assembly, a hypodermic needle, first and second containers, a first liquid medicament ingredient in the first container and a second medicament ingredient in the second container, first and second pistons in the first and second containers respectively, a releasable stressed spring arrangement capable of being released twice, once for movement through a first piston moving stroke and second through a second piston moving stroke, a first releasing device operable in response to a first predetermined actuating procedure for accomplishing a first release of the spring arrangement so as to effect movement of the first piston through a liquid medicament ingredient moving stroke causing the liquid medicament ingredient to mix with the medicament ingredient in the second container to form liquid medicament and a second releasing device operable in response to a second actuating procedure for accomplishing a second release of the spring arrangement so as to effect movement of the second piston through an operative stroke causing the hypodermic needle to be moved into the muscle tissue of the patient and the liquid medicament to be moved through the needle into the muscle tissue of the patient.

509548

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