Abstract
Ureteral stent has become a necessary consumptive device in the urinary system in the routine clinical practice. However, indwelled stent can cause complications such as hematuria, stone formation, and bladder irritation, et al. In recent years, the use of coating has become an important research direction to modify the surface of the stent and to reduce complications. In this paper, polycaprolactide lactide copolymer was used as coating material, uniformly coated the polymer on ureteral stent surface using solution impregnation method, so as to prepare ureteral stent with a certain coating thickness, and study the degradation behavior of coating in urine.
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