One hundred patients have undergone radiotherapy treatment using the mask at Plymouth's Derriford Hospital.

BBC: Radiotherapy mask

The hospital is currently the only one in the South West using the hi-tech mask with radiation treatment known as volumetrically modulated arc therapy (VMAT).

BBC: Radiotherapy mask

It offers various products for the treatment of obstructive sleep apnea and other respiratory disorders, including airflow generators, mask systems, diagnostic products, headgear, ventilation devices, and other accessories.

FORBES: ResMed Breathes Easy In Rarefied Air

To immobilise the patient, the mask is placed over the head and upper torso and then screwed to the treatment table.

BBC: Radiotherapy mask