1.4*200/300/400/500/600/800/1000/1200/1400/1600

2.0*200/300/400/500/600/800/1000/1200/1400/1600

2.4*200/300/400/500/600/800/1000/1200/1400/1600

2.7*200/300/400/500/600/800/1000/1200/1400/1600

             导管内径*长度（单位：mm）