Ureteral inner drainage tube with expansion balloon

Abstract

The invention provides a ureteral inner drainage tube with an expansion balloon, and belongs to the technical field of medical device manufacturing. The drainage tube includes an outer sleeve tube, adrainage tube body, a pusher, an inner sleeve tube and a balloon connecting tube, wherein the outer sleeve tube, the pusher and the inner sleeve tube are all single-channel tubes; the drainage tube body includes a head part, a body part and a tail part, the head part and the tail part are spherical and are composed of arc-shaped tube walls, and the outer side of each arc-shaped tube wall is provided with point-like bulges; and the body part is a dual-channel tube and includes a channel 9 and a channel 10, the body part is wrapped with the cylindrical balloon, the channel 10 communicates with the balloon through side holes in the tube wall, and the balloon connecting tube is a single-channel tube, and communicates with the channel 10. The drainage tube achieves the beneficial effects of preventing displacement, and having little stimulation, no damage, and significant clinical effects.

Description

technical field [0001] The invention belongs to the technical field of medical device manufacturing, and relates to a ureteral drainage tube with an expansion balloon. Background technique [0002] Ureteral stricture is a very common disease in urology, and its etiology includes scar formation after ureterotomy, incarcerated stones, tuberculosis, and specific ureteritis. Clinically, once the diagnosis is made, on the basis of treating the primary disease, surgical resection, internal incision, balloon dilation, etc. are often used to treat the stricture. [0003] Surgical resection and internal incision may lead to the occurrence of restenosis. At present, the commonly used method to maintain the smooth drainage of urine and treat the stenosis is to place a double-J tube, but multiple operations are required, and larger drainage tubes are intermittently replaced to support the stenosis. The second is to dilate the stenosis with a balloon, but the maintenance time of the one...

AI Technical Summary

Problems solved by technology

[0003] Surgical resection and internal incision may lead to the occurrence of restenosis. Currently, the commonly used method to maintain unobstructed urine drainage and treat stenosis is to place a double-J tube, but multiple operations are required, and larger drainage tubes are intermittently replaced to support the stenosis.

The second is to dilate the stenosis with a balloon, but the maintenance time of the one-time balloon dilation is short. After the stenosis is dilated, the ureteral mucosa is torn, which may easily lead to scar hyperplasia and re-stenosis. The cost of consumables is high, which seriously affects the clinical treatment effect.

Images