以往上颌窦穿刺冲洗放置冲洗管，为了防止脱落都以胶布固定，给患者带来不便，影响美观。1996年以来，我们对该管进行了一些改进，既避免了用胶布固定，又不影响美观。1材料与方法取硬膜外导管头部9cm，11号刀片连柄1把。用11号刀片从距管的头端2mm处往下切开长约2．0～2．5cm In the past, maxillary sinus puncture rinse placed on the tube, in order to prevent the tape off are to be fixed, to the inconvenience to patients, affecting the appearance. Since 1996, we have made some improvements to the tube, which not only avoids the use of tape to fix it, but also does not affect the appearance. 1 Materials and methods Take the head of epidural catheter 9cm, No. 11 blade with a handle. Using a No. 11 blade, cut a length of about 2.0-2.5 cm down from the head of the tube 2 mm