先天性畸形、外伤或肿瘤等疾病致使尿道损伤、狭窄或缺损,常需要进行尿路修复与重建,其中长段或复杂型的修复与重建一直是较为棘手的问题,往往需要替代材料,可临床上常因理想材料的缺乏或选择不当,使重建手术困难甚至失败。 Congenital malformations, trauma or cancer and other diseases cause urethral injury, stenosis or defect, often require urinary tract repair and reconstruction, of which long or complex repair and reconstruction has been a more difficult problem, often require alternative materials, clinical Often due to the lack of the ideal material or improper selection, reconstruction surgery difficult or even failure.