URETHRAL CATHETER CAPABLE OF SMOOTHLY PASSING THROUGH URETHRAL STENOSIS SECTION

Abstract

A catheter capable of smoothly passing through urethral stenosis section, within a head end of the catheter, there is provided with a cavity for forming a liquid turbulence therein; an inner surface of the cavity is separated apart from an outer surface of the check means with a gap therebetween to movably accommodate a guiding core head end of a guiding core; the guiding core head end plays a check role and the guiding core tube plays a guiding role; a lateral liquid channel is arranged between the front end of the guiding core and the head end of the catheter; the catheter body is more flexible than the head end of the catheter. During a catheter is being inserted into the urethra, the inventive catheter can reduce an injected liquid's impacting on a patient's urethra from the lateral liquid channel, and make the patient comfortable.

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