Jet anesthesia and jet local anesthesia for the 21st century.

The introduction of the hollow needle and glass syringe in the middle of the 19th century was one gigantic step in the progress of medicine to the current state of art. However, the needle with the pain it causes, become the source of fear for many patients. Indeed, immunization of millions of people who feared the needle, against the deadly contagious diseases, would not have been possible without the introduction of a jet-injector, the Med-E-Jet (Peace Gun), a pain-free way of delivering immunizing medication.