The present invention relates to an apparatus for medical interaction with a tubular body portion comprising at least one tube comprising first and second lumens, a forward selectably inflatable balloon in fluid communication with said first lumen, said forward selectably inflatable balloon being adapted to engage said tubular body portion when inflated, a controller being adapted for selectably inflating said forward selectably inflatable balloon, and an accessory which is insertable through said second lumen to a location rearward of said forward selectably inflatable balloon.