Ct pressure injector, types of injector and how to work

 

• What is the pressure injector?

            Pressure injector are important accessories in modern radiology department are use CT, MRI and interventional radiology unites. CT contrast media injector is a syringe-based fluid delivery system indicated for delivery of contrast media during computed Tomography. All kind of iodinated contrast media and saline can be delivered by the system.

 

• Defi:-

            A device that delivers a substance to be injected control by a timing mechanism, at a specific pressure of injecting intravenous contrast media into the human vascular system. Use in multi-slice CT scanner.

   

• User qualification:-

 The system should be operated only by qualified person who:-

Are completely familiar with the unit, have read and understood this user’s manual.

In any case appropriately prepared in the utilization of hardware and methodology of this kind.

• Types of CT injector:-

  There are two type of CT injector:-

1. Single syringe injector:-

    First developed in 1970s .

Single syringe ct pressure injector

Single syringe display

• Dual syringe injector advantage:-

Dual syringe ct pressure injector

Dual syringe display

    Over the past many years, the trends in automated imaging contrast media injection system have included, the convulsions from single- to dual head injectors, the introduction data management systems and improve patient safety features.

    The  Advantage of dual head syringe system is that one head of saline injects first to open the veins followed by the second injector head of Contrast. This is followed by a saline flush from the first head to keep the Contrast following. As a result, much less contrast is needed (a reduction of about 30% ) helping to reduce costs. Multi head injectors also  offer increased patient safety and reducing the flow rate.

• The system is intended for the:-

Specific purpose of injecting intravenous contrast media or saline into human’s for diagnostic studies in computed Tomography (CT) application.

•   Contraindications:-

    The system is not to be used for drugs infusion chemotherapy, or any other use for which the device are not indicated. The system is not intended for portable use.