EPO published patent application EP4713036A1 for a biodegradable ureteral stent with anti-reflux and self-retention features. The applicants are four Spanish biomedical research institutions, and the invention is classified under multiple IPC categories including A61L (preparations for medical purposes), A61M (devices for introducing media), and A61F (prostheses). The patent covers materials suitable for biodegradable medical devices used in urological applications.

This is a patent publication notice with no immediate compliance requirements. Medical device manufacturers developing ureteral stents or similar biodegradable implants should review the published claims to assess potential freedom-to-operate implications or opportunities for licensing. Research institutions may find this relevant for prior art searches in urological device development.