Clinical research of BD detaining needle for subcutaneous liquid accumulation drainage after breast cancer radical operation NIE Jian-yun, JIANG Ni, LI Bi-xiu, et al. Department of Breast Cancer,the 3rd Affiliated Hospital of Kunming College, Kunming 650118, China Corresponding author: NIE Jian-yun, E-mail:njyvip@sina.com Abstract Objective To study the effect of BD detaining needle for subcutaneous liquid accumulation drainage after breast cancer radical operation. Methods Ninety cases of breast cancer suffering from subcutaneous liquid accumulation after operation between January 2005 and December 2008 at the 3rd Affiliated Hospital of Kunming College were divided into 3 groups.The total volume and days of drainage,time cost of practice,pain and infection of the wound,the direct medical cost,satisfaction of patient were recorded and analyzed. Results The research group showed superiority in the time cost of practice,pain and infection of the wound, direct medical cost and high rate of satisfaction. Compared with control group B, the total volume and days of drainage also decreased.Conclusion BD detaining needle for subcutaneous liquid accumulation drainage is a good choice in decreasing the rate of complication after operation. It can also save time and money.