Urethral dilator with core

Abstract

The urethral dilator with the core comprises a dilator shell, a catheter and a guide wire shell, a first fixing plate is fixedly connected to the inner surface wall of one side of the guide wire shell, and an electric telescopic rod is fixedly connected to the first fixing plate. An electric telescopic rod is controlled to extend, the telescopic end of the electric telescopic rod drives a rack to move in the vertical direction, the rack drives a third gear to rotate; the third gear drives a second bevel gear to rotate through a connecting shaft; the second bevel gear drives a first bevel gear to rotate; and the first bevel gear drives the second gear to rotate through a rotating rod; the second gear drives the first gear to rotate; and the first gear rotates to drive the limiting block located in the first sliding groove to slide, so that the connecting block slides along the second sliding groove to drive the moving block to extend outwards, and the urethra can be supported after the solid urethral dilator retreats. And the situation that the catheter is difficult to retain due to urethral stenosis scar retraction is avoided.

Description

technical field [0001] The invention relates to the technical field of medical equipment, in particular to a urethral dilator with a core. Background technique [0002] Urethral stricture is a common disease of the urinary system. Urethral dilatation is an important method in the treatment of urethral stricture, and a considerable number of patients need long-term regular urethral dilation. Traditional urethral dilation uses a metal urethral probe. The commonly used specification is F16-24. Under local anesthesia, probes of different diameters are sequentially inserted into the urethra starting from the smaller ones. Violent tearing is used to gradually increase the circumference to achieve expansion of the urethral stricture ring. And the outer diameter of each increase should not be too large, so as not to cause urethral function damage. [0003] Urethral dilator dilating the urethra is a commonly used clinical treatment for urethral strictures; indwelling catheters aft...

AI Technical Summary

Problems solved by technology

[0003] Urethral dilator dilating the urethra is a commonly used clinical treatment for urethral strictures; indwelling catheters after urethral dilatation to reduce urethral edema stimulation is an important part of effective treatment of urethral strictures, but a considerable number of patients still have indwelling catheters after urethral dilation. Catheter Difficulties

The traditional urethral dilator is solid. When treating patients with urethral stricture who need to indwell a catheter, in some cases, after withdrawing the solid urethral dilator, it is often difficult to indwell the catheter due to the retraction of the urethral stricture scar, and the clinical treatment is more difficult.

Images