What characteristic of nontunneled catheters makes them suitable for short-term use?

Nontunneled catheters are specifically designed for short-term use primarily because they are not intended for lengthy implantation. These devices are typically placed directly into a major vein, such as the subclavian, internal jugular, or femoral vein, and are generally used in situations where temporary vascular access is needed, such as in emergencies or during short hospital stays. Their materials and construction do not support prolonged use, as longer-term catheters are often tunneled or have features that minimize the risk of infection and complications associated with extended placement.

Short-term use is crucial as nontunneled catheters have a higher risk of complications such as infections or thrombosis after a certain period. Thus, their design prioritizes immediate access and ease of insertion rather than long-term stability or durability, setting them apart from other types of vascular access devices used for longer durations.