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News for Healthier Living

Smart Stent Sleeve Spots Kidney Pressure Early

When a ureteral stent fails, pressure can quietly build inside the kidney long before clinical symptoms. A new device called UroSleeve aims to enable earlier detection by turning a standard stent into a passive wireless pressure monitor via a modular sleeve. Designed as a modular sleeve rather than a redesigned implant, it fits around conventional stents and tracks intrarenal pressure through resonance shifts that can be read externally. In an ex vivo porcine kidney model, the system detected pressure changes linked to hydronephrosis, pointing toward a future in which patients with stents could be monitored continuously instead of waiting for imaging after injury has already begun.

April 9, 2026


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