A double-sleeved fistula tube
An ostomy tube and cannula-type technology is applied in the field of medical devices to achieve the effects of proper fixation, sufficient and proper fixation, and enlargement of the drainage area
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[0040] Aiming at the hemostasis problem existing in the current percutaneous nephrolithotripsy process, the present invention provides a double-sleeved fistula tube with practical and effective hemostasis, such as figure 2 As shown, the ostomy tube includes an inner drainage tube 1, an outer tube 2, a balloon 3 and an injection channel 4;
[0041] The length of the outer tube 2 is less than the length of the inner drainage tube 1, and the two ends of the outer tube 2 are respectively provided with through holes for the inner drainage tube 1 to pass through, and the outer tube 2 passes through the through holes. The hole is sleeved on the inner drainage tube 1, and the outer tube 2 can slide on the inner drainage tube 1 along its axial direction;
[0042] The airbag 3 includes a first airbag 31, and the first airbag 31 is arranged at the front end of the outer wall of the inner drainage tube 1;
[0043] The liquid injection channel 4 includes a first liquid injection channel ...
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