非降解性输尿管内支架管自1967年问世以来，广泛应用于常规的上尿路手术。
The traditional ureteral stent had been widely used in urological surgery since it was first developed in 1967.
目的探讨离断性肾盂成形术及双J管内引流治疗肾盂输尿管连接部梗阻的疗效。
Objective: To evaluate the clinical effects of internal drainage in Anderson-Hynes operation for the treatment of ureteropelvic junction (UPJ) obstruction.
目的：探讨应用双J管内引流治疗晚期盆腔癌并发输尿管梗阻的临床疗效。
Purpose:To clarify the effectiveness of retrocatherization of double J tube indwelling in the treatment of ureteral obstruction induced by pelvic carcinoma.
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