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Catheter made of high class medical silicone, is mainly used for long term drug infusion , sampling from peripheral vein and doing blood performance test in peripheral vein; Three way method for puncturing in normal condition, MST or ultrasonic condition. First choose cephalic vein ot basilica vein to put PICC catheter into center venous, then flush the catheter every 7days. Heparin cap is not needed fo sealing the line. Peelable needle and statlock fixation device are provided within the kit for easy clinic use. With three-way method, negative pressure ca be used for blood sampling and positive pressure for infusion. The blue line body with scales on it can show its depth and the transparent line can be used to show the return of blood for doctors' observation. This line has a good biocompatibility which can help the venous path for 12 months. Principle of the three-way method: the end of the line is closed, around the round plug is the valve. If there is no infusion, the valve is closed to stop blood flow back into the line. If there is a need for infusion, with some given pressure, the valve will open outwards for infusion. Under the condition fo negative pressure, the valve will be sunken and open inwards to draw blood for sampling.

2022/12/17

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