欧美jizz欧美性大全_91av福利视频_亚洲vs天堂_欧美日韩一卡二卡三卡_99精品国产一区二区_久草免费新视频_劲爆欧美第一页_日韩3p_九九精品视频在线观看_亚洲精品久久久久久_国产熟妇久久777777_日本黄色免费网址_在线观看免费视频a_男女互插视频_摸丰满大乳奶水www免费

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.