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我科自1981年起设计的双弯头“S”形内支架管对泌尿系统切开缘较大的手术有较好的疗效,如应用于肾盂成形术中同肾造瘘管的连接、巨大肾盂积水的整形、巨输尿管的整形和尿路重建,能最大限度地减少尿液从切缘处的外漏,给缝合带来方便,并能有效地防止外来感染。该内支架管现由上海医用诊查仪器厂生产。现将临床使用情况介绍如下。一、“S”形内支架管的规格: 该内支架管采用国产动脉造影导管相同的材料——乙烯醋酸乙烯,添加适量不透光材料铋制成。长度分为40 cm、50 cm两种。管道外径2 mm,内径1 mm,二弯端不闭合,导管每间隔2cm处开侧孔二排。弯头直径3 cm,半周长6 cm。
Our department since 1981 designed double elbow “S” shaped stent tube on the urinary tract incision more surgery has a good effect, such as used in pyeloplasty with nephrostomy tube connection, huge renal pelvis Hydrocephalus plastic surgery, giant ureter plastic surgery and urinary tract reconstruction, to minimize the leakage of urine from the margin, to bring convenience to the suture, and can effectively prevent external infection. The stent is now manufactured by Shanghai Medical Diagnostic Instrument Factory. Now the clinical use of the situation are described below. First, the “S” -shaped stent specifications: The stent tube using the same material made of domestic arterial angiography catheter - ethylene vinyl acetate, adding the right amount of opaque material made of bismuth. Length is divided into 40 cm, 50 cm two. Pipe diameter 2 mm, diameter 1 mm, the two ends are not closed, the catheter open 2cm at intervals of two rows of side holes. Elbow diameter 3 cm, half circumference 6 cm.