The Spring is a permanent nitinol implant that is placed into the prostatic urethra using a flexible cystoscope, however, it could be removed at any time if necessary.
This device is under investigation (the Zenflow Spring System Safety, Performance and Effectiveness Study, ZEST2, ClinicalTrials.gov identifier: NCT03595735). Currently in the literature, there are no publications.
Curr Opin Urol. 2021;31(5):461-467. © 2021 Wolters Kluwer Health, Inc.