This invention related to a simple device for hypodermic pressure-injection which does not make use of needles for introducing the vaccine into the patient's body, and which is fully constituted by low cost disposable material self-destroying after being utilized a single time. This device already contains...http://www.google.de/patents/US4966581?utm_source=gb-gplus-sharePatent US4966581 - Non reusable disposable capsule containing an individual vaccine dose to be hypodermically injected with a pressure needleless injection apparatus
