笔者根据临床实际工作需要,对传统的负压引流装置进行了改进,设计了一种术中使用的压力自控式负压引流防堵装置,广泛应用于临床外科,特别在骨科领域的关节外科及脊柱外科,取得满意效果。现报告如下。1器械构造该装置主要由一引流进管和一引流出管连接于球形容器组成,该装置有一“枪”形把手固定于球形容器的前后侧壁上 According to the needs of clinical practice, the author improved the traditional negative pressure drainage device and designed a pressure-controlled negative pressure drainage anti-blocking device used in surgery, which is widely used in clinical surgery, especially in the field of orthopedics and Spinal surgery, achieved satisfactory results. The report is as follows. 1 device structure The device is mainly composed of a drainage into the tube and a drainage tube connected to the spherical container composition, the device has a “gun” -shaped handle on the front and rear side wall of the spherical container