Instruction For Using The Cephus Catheter

A person lies on their back inside an MRI machine with a blue headrest, looking upwards.

The Cephus Catheter is a colorectal (rectal) catheter intended to instill air or fluid into the colon. This catheter incorporates inflatable balloons: one spherical and a secondary tapered balloon. The augmentation of the two balloons creates an airtight rectal seal.