Seracam ${ }^{\text {TM }}$: Hybrid Gamma-Optical Video Imaging for Real-Time Extravasation Injury Prevention
Abstract
Seracam is a portable camera ($15 ~\text{cm} \times 24 ~\text{cm}, 5 ~\text{kg}$) for nuclear medicine which provides hybrid gamma-optical imaging, with true dynamic imaging (video) capability. At 50 mm imaging distance using ${ }^{99 ~\mathrm{m}} \text{Tc}$, Seracam has a field of view of 80 mm diameter, a sensitivity of $3.6-52 \text{cps} / \text{MBq}$ and spatial resolution 4.6-26 mm, depending on the choice of integrated collimator. This makes it well suited for imaging sites of radiotracer administration and the real-time detection of tracer infiltration - which may be used to avoid failed therapeutic tracer administrations, prevent unnecessary tissue doses and safeguard against extravasation injuries. We describe novel, proof-of-concept imaging which demonstrates the suitability of Seracam for imaging tracer infiltration and the confirmation of venous tracer administration.
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