Which type of tube lacks an internal bumper or balloon and requires an external stabilizer for securement?

A jejunostomy tube is specifically designed for placement in the jejunum, which is part of the small intestine. Unlike some other types of feeding tubes, jejunostomy tubes do not have an internal bumper or balloon mechanism to keep them securely in place within the gastrointestinal tract. This characteristic necessitates the use of an external stabilizer, such as a fixation device or adhesive, to ensure that the tube remains securely attached to the skin and does not migrate out of position.

In contrast, other types of feeding tubes, like gastrostomy tubes and J-tubes, often incorporate internal stabilizing features like balloons or bumpers, which help to maintain their position without the need for an external device. Therefore, the requirement for an external stabilizer is a key distinguishing factor for the jejunostomy tube, making it crucial for caregivers and medical professionals to utilize proper methods of securing these tubes to prevent complications such as accidental dislodgment or leakage.