日韩精品久久久久久免费 I 911久久香蕉国产线看观看 I 巨胸不知火舞露双奶头无遮挡 I 免费在线观看一区 I 久久免费看毛片 I 男人的机机桶女人的机机 I 一本色道久久综合无码人妻 I 国产老女人乱淫免费 I 日韩精品观看 I 国产精品无码av无码 I 夜色福利视频 I 奇米影视第4色 I 国产偷国产偷av亚洲清高 I 色老大网站 I 日本亲子乱子伦xxxx60岁 I 综合久久99 I 天天摸夜夜 I 久久久精品91 I 亚洲乱码中文字幕综合 I 国产亚洲精品久久久久久久久 I 青青草婷婷 I av无码中文字幕不卡一区二区三区 I 国产麻豆一精品一男同 I 在线天天干 I 国产资源在线免费观看 I 成人午夜电影福利免费 I 午夜激情黄色 I 日本中文字幕免费在线观看 I 超碰66 I 女生啪啪网站

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.