One Shot Contrast Delivery Systems

The One Shot collection centers on prefilled contrast delivery devices used in venous imaging and vascular procedures. Built for single-patient use, these systems help radiology and cath-lab teams deliver a controlled bolus of contrast media without the assembly, measuring, and cross-contamination risks that come with drawing from bulk vials.

For clinicians evaluating this category, the practical questions tend to be the same: Is it truly ready to use? Does the delivery mechanism give consistent, repeatable volume? And how does it fit into infection-control protocols? Prefilled single-use designs answer all three — they arrive filled to a fixed dose, eliminate multi-dose vial sharing, and reduce the preparation steps between patients, which matters in high-throughput imaging suites where turnover time is measured in minutes.

The clearest example in this space is the E-Z-EM One-Shot line, a recognized name for contrast injection during venographic and related studies. Facilities standardizing on one-shot systems typically value the sterility assurance of a sealed, disposable unit alongside the workflow benefit of skipping manual draw-up.

Because "one shot" spans a few distinct use cases, it helps to confirm you're sourcing the right device for your procedure and injector compatibility before ordering. If you're browsing single-dose and point-of-care products more broadly, you may also find the Contour Next One collection relevant for diagnostic testing needs.

Selecting the correct system comes down to matching the fill volume, catheter or needle configuration, and imaging application to your protocol. Reach out if you need help confirming compatibility before you buy.