High negative-pressure zero collection drainage tube
A high negative pressure, drainage tube technology, applied in wound drainage devices, catheters, suction devices, etc., can solve the problems of patient secondary injury, drainage hole blockage, and inability to popularize and apply to patients.
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[0044] Such as Figure 1 to Figure 7 The shown embodiment 1 of the high-negative-pressure zero-accumulation drainage tube of the present invention includes the built-in tube 1 of the jacket for flushing and the built-in inner tube 14 for drainage, the dosing pot 2, the dosing catheter 3, the flushing catheter 4 and the drainage tube. The outer tube 5, the built-in tube and the inner tube are all provided with a plurality of side holes 6 for drainage on the tube wall. There are external joints 10 at both ends of the pot, and an internal joint 9 at the rear of the dosing pot directly communicates with the external joint at the rear end of the dosing pot. The drug conduit is connected, the rear end of the built-in tube is sleeved and fixed on the front end external joint of the dosing pot, the rear end of the inner tube is connected to the inner joint at the back of the dosing pot and connected to the drainage outer joint sleeved at the rear end of the dosing pot The connecting ...
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