An Automated Injection System (with Patient Selection) for SPECT Imaging in Seizure Localization

Summary: Purpose: Ictal single‐photon‐emission computed tomography (Spect) provides lateralization but has technical limitations: (a) a “truly ictal” injection must be shortly after seizure onset; (b) therefore, a seizure of brief duration may be missed; (c) more than one patient may need testing at any given time: (d) a trained health professional must stay next to each patient to inject; and (e) because the radionuclide is placed in the syringe in advance of the injection, decay of the radioactive element could result in less than optimal uptake, if the same volume of material were to be used regardless of the time after ligand preparation.