University of Southampton May 21 2026 Reusable catheters are just as safe for patients as single-use ones and do not increase the risk of urinary tract infections, a new study has found. Thousands of people use the devices to empty their bladders as much as four times a day on average, and the plastic tubes are used just once before being discarded. Researchers from the University of Southampton followed hundreds of patients for a year to measure the health impact of reusable intermittent