Jet injectors use a high-pressure liquid jet to deliver injections without the pain of needles. They can be used in various body orifices, making medical procedures safer and more comfortable. While the US Department of Defense stopped using them due to concerns about cross-contamination, they are still used by personal physicians and individuals who require regular injections. Insulin jet injectors are becoming more popular due to their precision and painless delivery, and they are portable, low cost, and customizable.
A jet injector is a precision medical instrument used to inject fluid into the body, through the skin or into an orifice, without the pain associated with hypodermic needle syringes. The device uses a high-pressure liquid jet, powered by a compressed air or gas cylinder or cartridge, to penetrate the skin and deliver the injection liquid. Jet injectors are most commonly used for vaccinations, insulin injections, and for introducing local anesthetics.
The first needleless jet injector created for medical use was patented in 1960 by Aaron Ismach to administer vaccinations for smallpox and other infectious diseases. Assisted by Dr. Abram Beneson, Ismach created two different types of jet injectors: the foot injector, or Ped-O-Jet, and the injector blast gun. Using these devices, smallpox was eradicated in Asia and Africa after the US government made huge quantities of injectors available to governments in affected areas. However, in 1997, the US Department of Defense stopped using jet injectors for large-scale vaccinations, due to concerns about cross-contamination and infection. Today, jet injectors are mostly used by personal physicians and individuals who require regular injections of medication or insulin.
The jet injector is one of the few injection devices available that allows doctors to inject drugs or anesthetics into the skin, deep tissues, and body orifices. Unlike needles, jet injectors can be used in the oral and laryngeal cavities as well as the cervix, rectum, nose, ears, and even open wounds and surgical incisions. This capability results in safer, faster, and more comfortable medical procedures for the patient and clinician when the jet injector is used in place of a needle.
Insulin jet injectors have become more popular in recent years, due to their ability to deliver a highly precise amount of insulin in a relatively painless manner. Some users of the device report local pain, swelling and bruising at the injection site, while others find the process completely painless. Most patients agree that the jet injection process is much more tolerable than that of needle injections, particularly when fear of needles has caused discomfort in the past.
Other benefits of the jet injector include portability, low cost, and customizable settings. Typical insulin jet injectors are no bigger than a television remote control and are easy to use even for children. Once purchased, they can be used indefinitely, instead of continually buying needle injection syringes. They also feature different settings for various skin types and thicknesses, making the process as painless as possible for the individual.
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