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AssigneeSurvival Technology, Inc.
InventorsStanley J. Sarnoff, William R. Tarello, Claudio Lopez, Daniel M. Karcher
Estimating the term…
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.
In an automatic injector, including a medicament cartridge assembly and a stressed spring assembly for operating said medicament cartridge assembly, the improvement which comprises said stressed spring assembly comprising
A method of injecting a liquid medicament into the muscle tissue of a patient with the use of an automatic injector having therein a hypodermic needle, a releasable energy source and a plurality of separate medicament ingredients one of which is in powder form and another of which is a liquid diluent for said powder ingredient, which comprises the steps of
A method of injecting a liquid medicament into the muscle tissue of a patient with the use of an automatic injector having therein a hypodermic needle, a releasable energy source and a plurality of separate medicament ingredients one of which is in powder form and another of which is a liquid diluent for said powder ingredient, which comprises the steps of
Dependencies are inferred from the claim text.