皮下积液和皮瓣坏死是乳腺癌根治术后常见的并发症。我们自1980年以来，采用自制负压引流器结合胸带加压包扎作为乳腺癌术后的处理方法，取得良好的预防效果。现介绍如下。1制作方法1．1器材：250ml输液瓶1个，橡胶瓶塞1个，12号针头2个，硅橡胶管长短各1根，玻璃接管1个，空针 Subcutaneous effusion and flap necrosis are common complications after radical mastectomy. Since 1980, we have used self-made negative pressure drainage device combined with chest strap compression dressing as a treatment method for postoperative breast cancer and achieved good preventive effects. The introduction is as follows. 1 Production method 1.1 Equipment: One 250ml infusion bottle, one rubber stopper, two 12th needles, one length of silicone rubber tube, one glass tube, and one empty needle