Anti-reflux support tube of ureter
A ureteral stent and reflux technology, which is applied in the field of medical devices, can solve problems such as renal function damage, and achieve the effects of easy use, good anti-reflux effect, and simple structure
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[0018] figure 1 It is a structural schematic diagram of the present invention, figure 2 It is a structural schematic diagram of the present invention when it is countercurrent, image 3 for figure 1 A-A sectional view, Figure 4 for figure 2 B-B direction sectional view; as shown in the figure: the direction from top to bottom in the figure is the downstream direction of urine, the anti-reflux ureteral stent tube of this embodiment includes a tube body 1, and the tube body is made of common materials such as polyurethane The formed single pigtail together with nephrostomy tube or double pigtail ureteral stent tube, the elastic valve is set in the tube body 1 to form a one-way flow valve structure, and the elastic valve should be as close as possible to the end connected to the bladder to improve the use effect. The elastic matrix can be made of polytetrafluoroethylene, polyurethane, medical silicone and other materials. It has good elasticity and good molding effect. Whe...
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