Used for pleural effusion and gas drainage.

1. Using medical grade polyurethane tube material, it has good biocompatibility, automatically softens in the patient's body, has low irritation, and can be left in for short-term (<30 days);

2. The Seldinger method (guide wire guided puncture) is used for the catheter placement, which is less traumatic;

3. The tip of the catheter is pigtail-shaped and the side porous is ingeniously designed to effectively prevent tube blockage;

4. The equipped suction tube is suitable for the connection of common clinical drainage bag and negative pressure device, and has a speed regulating device.