Ureteroscopic Removal Of Stone (URS)
Urinary stones present in the ureter, particularly hard stones or those that cannot be treated with ESWL, can be treated using laser. URS is a procedure used to treat stones situated in the middle and lower ureter. This procedure is performed under general or spinal anaesthesia.
A ureteroscope, or a small fiberoptic instrument is inserted through the urethra and bladder into the ureter, which enables the urologist to directly visualise the stone present in the ureter.
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While small stones are removed using a specialised stone basket, large ones are disintegrated using a laser or a similar device. A stent may be placed in the ureter for a few days following the treatment in order to facilitate healing and prevent blockage caused by inflammation or spasm. The stent is usually removed 8-14 days after surgery using flexible cystoscope as an outpatient procedure.