Thin-catheter closed type chest fluid drainage device
A kind of catheter and closed technology, which is applied in the field of thin catheter closed drainage pleural fluid device, can solve the problems of threatening the life safety of patients, affecting the treatment effect, and the thin drainage catheter falling off, so as to achieve good drainage effect, ensure the treatment effect and ensure life. safe effect
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Embodiment 1
[0054] A thin catheter closed drainage device for pleural fluid, such as figure 1 As shown, it includes a thin drainage catheter 1, a liquid storage unit 2, a negative pressure generating unit 3, a catheter switch 4, and a fixing unit 5. Both ends of the thin drainage catheter 1 are open ends, and the liquid storage unit 2 is connected and installed. At one end of the thin drainage catheter 1 , the negative pressure generating unit 3 and the liquid storage unit 2 are in communication with each other, and the catheter switch 4 and the fixing unit 5 are both sleeved on the outside of the thin drainage catheter 1 , and the catheter switch 4 is located between the fixing unit 5 and the liquid storage unit 2 , and the end of the thin drainage catheter 1 away from the liquid storage unit 2 is a free end.
[0055] By adopting the above technical scheme, the free end of the thin drainage catheter 1 is used to put into the patient's thorax to drain and discharge the effusion inside the...
Embodiment 2
[0075] The difference from Example 1 is that the inner and outer surfaces of the liquid storage bottle 6 are provided with a protective layer, and the protective layer is prepared by the following method:
[0076] Take the following raw materials and weigh them by weight: 18 parts of epoxy resin, 12 parts of calcium carbonate powder, 10 parts of copper oxide powder, 10 parts of titanium dioxide powder, 12 parts of nano-silver powder, 2 parts of alcohol ester twelve, 2 parts of triethanolamine, emulsified 2 parts of silicone oil and 30 parts of water;
[0077] S1. Add the weighed alcohol ester dodecane, triethanolamine, emulsified silicone oil and water into the mixer and stir for 20min at a stirring speed of 500r / min to prepare a mixed solution;
[0078] S2, adding epoxy resin, calcium carbonate powder, copper oxide powder, titanium dioxide powder and nano-silver powder into the pulverizer and pulverizing until the particle diameter of the material is not greater than 100nm, s...
Embodiment 3
[0083] The difference with embodiment 2 is the preparation of protective layer, and its specific preparation method is as follows:
[0084] Take the following raw materials and weigh them by weight: 23 parts of epoxy resin, 14 parts of calcium carbonate powder, 12 parts of copper oxide powder, 12 parts of titanium dioxide powder, 13 parts of nano-silver powder, 3 parts of alcohol ester twelve, 3 parts of triethanolamine, emulsified 3 parts of silicone oil and 35 parts of water;
[0085] S1. Add the weighed alcohol ester dodecane, triethanolamine, emulsified silicone oil and water into the mixer and stir for 25min at a stirring speed of 550r / min to prepare a mixed solution;
[0086] S2, adding epoxy resin, calcium carbonate powder, copper oxide powder, titanium dioxide powder and nano-silver powder into the pulverizer and pulverizing until the particle diameter of the material is not greater than 100nm, so as to obtain a mixed powder material;
[0087] S3. Add the mixed soluti...
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