1. Tus qauv yog qhov tseeb heev, zoo li nws tau ua haujlwm ntawm tus neeg mob tiag tiag.
2. Lub catheter tso zis thaum lub sij hawm lubrication tuaj yeem muab tso rau hauv cov zis los ntawm cov urethral meatus thiab mus rau hauv lub zais zis.
3, thaum lub urethral raj mus rau hauv lub zais zis, cov zis dag yuav ntws tawm ntawm lub qhov ncauj catheter.
4. Thaum urethral catheterization yog nqa tawm los ntawm mucosal plica, bulbar ib feem ntawm urethra thiab internal urethral sphincter, cov menyuam kawm ntawv yuav hnov stenosis zoo li urethral catheterization rau cov neeg tiag.Lub catheter tso zis tuaj yeem ua tau yooj yim los ntawm kev hloov lub cev thiab qhov chaw ntawm qhov chaw mos.Lwm yam accessories: catheter, syringe, xaiv khoom kim heev portable box.