This video shows the effectiveness of the PULL THRU™ Cleaning Brush at making sure the channel is clear of foreign objects like therapeutic devices. A TGA article on the matter can be found here;
TGA ALERT ‘ Medical Devices Safety Update, Volume 2, Number 5, September 2014’ ENDOSCOPES REPROCESSING PROCEDURES
https://www.tga.gov.au/sites/default/files/mdsu-2014-05.pdf
For more information of the PULL THRU visit https://www.pullthru.net.nz/home