Abstract
Ureteral stent is one of the commonly used instruments in urology, and its clinical efficacy is confirmed. However, there are also a series of complications or deficiencies, including infection after catheterization, formation of stent shell, and secondary endoscopy for tube extraction. The biodegradable ureteral stent can play the same role as the double-J tube, and it will be completely degraded after a certain time. The degradation fragments will be discharged with the urine, and the physiological functions of the ureter will not be affected. At the same time, there is no need to perform a second cystoscope for tube extraction. Therefore, patients do not have to undergo an invasive operation again, so as to alleviate the pain of patients and save time and cost.
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