Non-coating antibacterial urinary catheter

Abstract

The invention discloses a non-coating antibacterial urinary catheter. The urinary catheter comprises a body and a fixing part; the body is provided with a urinary catheterization cavity for urinary catheterization and a urinary catheterization port communicating with the urinary catheterization cavity; the fixing part is arranged at one end of the body; and a urinary catheterization hole is arranged on the body away from the urinary catheterization port, and can communicate with the urinary catheterization cavity and the inner wall of the urethra; By applying the non-coating antibacterial urinary catheter, urine discharged by a patient washes the wall of the urethra through the liquid guide holes, antibiotic drugs are not needed for assisting in antibiosis, the normal mechanical effect andthe normal urinary system defense mechanism of the urethra are played, and even if bacteria enter the bladder, 99.9% of bacteria and para-gland secreta can be discharged out of the body through one-time urination. Meanwhile, the normal urinary system defense mechanism (including the defense function of meta-acid PH urine, ammonia, urea, lysozyme, organic matter and other antibacterial active substances contained in the meta-acid PH urine) is exerted. Therefore, bacterial colonization is reduced, and the occurrence probability of urethral infection is greatly reduced.

Description

technical field [0001] The invention relates to the field of medical equipment, in particular to a non-coated antibacterial urinary catheter. Background technique [0002] Clinically, urinary catheters are mainly used to remove urinary bladder for patients with acute urinary retention, advanced bladder cancer, urinary incontinence, and severe burns, as well as indwelling catheters after surgical operations. The urinary catheter is made of natural rubber, silicon rubber or polyvinyl chloride (PVC). It is clinically divided into indwelling catheter and temporary catheter, and its application is quite extensive. Domestic literature shows that 40% of nosocomial infections are urinary tract infections, ranking second in nosocomial infections; more than 70% of them are related to urinary catheters, and 20% are caused by urethral instrumentation and open surgery. The resulting urinary tract infection is very high, mainly because the indwelling catheter provides a continuous passag...

AI Technical Summary

Problems solved by technology

On the other hand, the antibacterial coating has poor binding force and is easy to dissolve or fall off, which is far from meeting the actual clinical needs of 7-14 days of continuous long-acting antibacterial

[0004] In addition, the top of the traditional catheter protrudes above the balloon, which can easily touch the reflex area of ​​the bladder, so that the patient still feels bloated and frequent urination even after the urine has been emptied. , causing unspeakable pain to patients and increasing the trouble of nursing work

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