Catheter
The technology of a urinary catheter and a main catheter is applied in the field of urinary catheters, which can solve the problems of high hardness of the metal probe, increase the risk of urinary catheterization, and damage to the patient's urethra, and achieve low production cost, easy popularization and use, and perfect functions. Effect
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Embodiment 1
[0028] like figure 1 , figure 2 and image 3 As shown, the present invention includes a main catheter 1, a urinary catheter 2 on the top side wall of the main catheter 1, and a urine outlet 3 at the end of the main catheter 1, and is characterized in that: the top of the main catheter 1 is located at the bottom of the catheter 2. There is an internally fixed airbag 4, and the main catheter 1 is provided with an airbag lumen 5, one end of the airbag lumen 5 is connected to the internally fixed airbag 4, and the other end of the airbag lumen 5 is formed at the end of the urinary catheter Independent airbag channel opening 6, the top of the main catheter 1 is provided with a guide wire channel 7 for inserting a guide wire, and the guide wire channel 7 is provided with a guide wire channel 7 that is connected to the side wall of the main catheter 1 and is used to prevent metal bougies from penetrating. The protrusion 8 of the broken urinary catheter, the protrusion 8 is located...
Embodiment 2
[0031] like Figure 4 , Figure 5 and Image 6 As shown, the difference between this embodiment and Embodiment 1 is that: the top of the main catheter 1 is located on the upper part of the catheter hole 2 and is also provided with a flushing hole 9, and the main catheter 1 is provided with a flushing cavity 10, and the flushing One end of the lumen 10 is connected to the flushing hole 9, and the other end of the flushing lumen 10 forms an independent flushing channel opening 11 at the end of the catheter; four protrusions are provided on the protrusion 8 to prevent the metal bougie from Slip groove 12. All the other structures are the same as in Example 1.
Embodiment 3
[0033] like Figure 7 , Figure 8 and Figure 9 As shown, the difference between this embodiment and Embodiment 2 is that the groove 12 is annular around the guide wire channel. All the other structures are identical with embodiment 2.
[0034] When using the urinary catheter of the present invention for catheterization, if the patient’s urethra has no pathological changes, the catheter can be directly inserted into the bladder through the urethra for catheterization. If the patient’s urethra becomes longer, thinner and twisted, there are three operations Way, the first one: insert an elbow metal bougie 13 with a certain hardness and elasticity into the catheter from the urine outlet 3, increase the hardness of the catheter and change the curvature of the catheter head, so that the catheter The urinary catheter forms a shape similar to a urethral dilator, which is more in line with the physiological structure of the urethra and is convenient for insertion. The head of the e...
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