Automatic injection device, including an ampoule or a cartridge for an injection device

A cartridge for an automatic hypodermic syringe containing an injection fluid, a lifting element and a hypodermic needle therein, comprising:

• said needle having a needle point, an elongated needle body and a cannula wherein the needle is moved by engagement of an end portion of the needle opposite the needle point with the lifting element;
• the cannula having an inlet opening for the injection fluid;
• a seal for sealing the ampoule at the end adjacent a point of the needle, said needle point penetrating the seal when the needle is moved by the lifting element;
• and
• the needle having a needle bearing having at least one winding that is formed as a unitary part of the needle body and that has an outer sliding surface that is guided in a sliding fit on an inner wall of the cartridge.

A cartridge for an automatic hypodermic syringe, comprising:

• a hypodermic needle having an elongated needle body and a cannula and being mounted in the cartridge;
• means for ejecting an injection fluid in the cartridge through the cannula of the hypodermic needle;
• said ejecting means including lifting movement means for lifting a plunger;
• a receptacle contained within the cartridge for forming a dead volume having a receptacle wall that is insoluble to the injection fluid and that contains at least one substance, and said wall being destroyed by said lifting means whereby the substance is combined with the injection fluid to produce an injection fluid combination that is administered through the needle.