Reducing radiation dose with filtration
In 2017, the Royal Bournemouth Hospital became one of the first in Europe to change the filtration on their CT system to Canon Medical’s PUREViSION Optics.
“Our radiation beam was replaced with PUREViSION Optics – Canon Medical’s new filtration system at the time,” said Dr. Bull. “This already made a big difference to our radiation doses. We reduced our DLP's for high resolution CT by a third and got pretty much the same image quality - just by using increased filtration and filtering out bad photons. This was a surprise.”
“In one of my specialist fields - Coronary CT - not only is the dose much lower, but you actually get better images because there are less scattered photons hitting the detector,” he explained.