CYP Catalog: Needle-Free Jet Injectors

Frequently Asked Questions: Operation

1. Operation of the Needle-Free Injector System
1. What gas is used to power the injector and why?

Carbon Dioxide (CO2) powers the injector. CO2 is a non-flammable liquid gas that can be safely stored at high pressure and is readily available in a variety of cylinder sizes. The cylinder supplied with the unit will power the injector through several hundred injections.

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2. Does the CO2 go into the patient/animal?

No, only the medication passes through the skin; the CO2 simply powers the internal mechanism of the injector. When the injector has completed an injection, the exhausted CO2 is released at the base of the handle away from the operator and patient/animal.

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3. Where do I refill the CO2 cylinder?

Carbon dioxide is one of the most readily available and inexpensive of all compressed gases. Refills are available from local suppliers of fire extinguishing equipment, welding equipment and even paint-ball supply stores. Familiar company names such as Praxair, and Liquid Gas are ready sources of both CO2 and large (50 lb) refill tanks.

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4. How many injections can be accomplished with one CO2 tank?

This of course, depends on dosage, the viscosity of the vaccine and the size of the tank. The CO2 container included with the most popular model AGRO-JET® (MIT-III) will provide approximately 500 injections at a 2cc dosage for most liquid medications - less for very viscous fluids and more for those that are less than 2cc dosage.

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5. How much does the CO2 tank weigh?

Your injector will come with either a 5 lb or 2.5 lb CO2 cylinder; the weight referring to the amount of CO2 that can be compressed into the cylinder. The larger cylinder weighs approximately 20 lbs at full capacity and the lesser about 10 lbs. Both cylinders come complete with their own back-pack style vest allowing for a very comfortable carry; so much so that it's easy to forget it's even there!

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6. How fast can the injector work?

The injector is capable of up to 3000 injections per hour. A typical 2cc injection is completed within 1 second. When the trigger is released, the injector reloads and is ready for the next injection in less than a second.

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7. How hard is it to clean the injector?

The injector cleans up in a jiffy without need for any disassembly. Simply replace the medication in the 60cc syringe with de-mineralized water and flush by pressing on the syringe plunger or cycling the injector through 5 to 10 shots. You're done!

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For this section, you can select from one of the following: Principle of Operation (Agro-Jet® or Med-Jet®), Slideshows, Brochures, Videos, Cost Effectiveness Calculator, Answers to Frequently Asked Questions, References, and Warranty information.

For information on specific products, select either Veterinary Products for animal applications or Medical Products for human applications.