Our flagship technology which we are proud to supply to the UK & Ireland, is TomoTherapy Hi-ART®, the most advanced radiotherapy treatment machine available in the world today. Complementing this key technology, OSL also supplies the full range of radiotherapy systems which can fully equip a clinical department – from virtual simulation, patient immobilisation through to all the quality control and medical physics devices from ionisation chambers, in vivo dosimetry right up to the latest 4D technology.