1. One-time negative pressure drainage device use the analog display, analog display can display 40kPa,60kPa,80kPa negative values

2. The negative pressure is at least 40kPa by operating in 10S with no more than 2Hz frequency.

3. Portable adjustable negative pressure drainage device; the highest value of negative pressure can reach 60-80kPa.

4. Structure: Through unique structure design, placed the negative pressure drainage device in the container.

5. Features: Easy to operate, convenient to carry, wide application range, the patient can operate by himself, not only suitable for postoperative drainage, but also suitable for the patients who need long-term drainage.

6. Change the medicine 3 to 10 days , the wound healing fast, low infection rate, change the surgical dressing less, and using less, reduce the medical expenses and so on, accelerated the healing time of acute trauma more than 60% , chronic wound healing speed time will speed up 2 - 3 times, reduce the cost of medicine more than 38%.

7. Due to the high negative pressure is a pure physical therapy, so it will speed up wound healing, and reduce antibiotic used, avoid the side effects of chemical drugs.

8. One-time negative pressure drainage device design the Prevent overflow device, once the drainage device dumping, the liquid in the jar can not return to the drainage pipe. So it can prevent the users from the pollution.