The Eustachian catheter cushion, also known as the ET tube pillow or Eustachian tube support, is a medical device used to alleviate discomfort and aid in the treatment of ear infections and related conditions. This specialized cushion provides support and gentle pressure to the Eustachian tube, promoting better drainage and equalization of pressure within the ear. While there are no widely used synonyms specifically for "Eustachian catheter cushion", alternative terms such as Eustachian tube cushion, ET tube support pad, or ear tube pillow may be used interchangeably to describe this useful medical tool. These synonyms can help individuals familiarize themselves with different terminologies related to this device.