The operation steps of intubating the catheter need to be disinfected twice, and then the towel is applied. The specific operation can be divided into one-time catheterization and indwelling catheterization, as follows:
1. One-time catheterization: For men, the penis is usually lifted up, at 90 degrees to the abdominal wall, and the patient is instructed to open his mouth to breathe, then clamp the catheter, and insert it 20-22cm into the urethral orifice, and then insert 2 when the urine flows out. -3cm, fix the catheter, and drain the urine into the urine collection bag. For women, the female urethra is relatively short, insert the urinary catheter about 4-6cm, and then insert 2-3cm for fixation;
2. Indwelling catheterization: For men, it is necessary to insert 20-22cm into the urethral orifice, and see the urine flow out, then insert 5-7cm, and then use a balloon to fix the urinary catheter. For women, after the catheter is inserted 4-6cm, a 5-7cm fixed catheter is inserted.
