超级碰在线公开免费视频_欧美激情桃花国产精品拍自_欧美高清一区二区右 在线播放_亚洲五十路熟妇交尾_女的被到爽的羞羞视频_四虎影院中文字幕_亚州成人av在线播放_艳妇500篇短篇h系列_草莓av福利网站导航_亚洲熟妇成人图片

Features and advantages:

1.       The drainage catheter is tensile and displayed under X-ray, and has good histocompatibility. The drainage part of catheter can be cut arbitrarily according to the needs of surgery operation.

Flat drainage catheter:

i.      The porous and flat (width of 1cm) features can maximize the drainage surface to make the drainage faster and completely.

ii.    Three gibbous small beams in the catheter lumen can prevent closing to make the drainage smoother.

Cross drainage catheter:

i.      Cross-shaped support structure provides the stronger support to prevent closing, so that the sampling is convenient and reliable.

ii.    The multi-channel drainage channel is non-blocking, so that the drainage is smoother.

2.       The flexible sputum aspirator has the special anti-reflux device to prevent reflux of drainage fluid to cause wound infection when squeezing.

3.       The catheter is connected with the fluid bag to perform drainage under positive pressure, collect and measure the drainage volume largely.

4.       The fully enclosed device can prevent injection.