CN217854145U - Integrated tube for nephrostomy - Google Patents

Abstract

The utility model provides a kidney fistulization integrated pipe, which belongs to the technical field of medical appliances and comprises a ureteral stent drainage pipe and a kidney fistulization pipe, wherein the ureteral stent drainage pipe is a single J pipe, the outer diameter of the ureteral stent drainage pipe is smaller than the inner diameter of the kidney fistulization pipe, the ureteral stent drainage pipe extends into the kidney fistulization pipe, and the front end of the kidney fistulization pipe is gradually drawn in towards the bending end of the ureteral stent drainage pipe and fixed on the ureteral stent drainage pipe; a side hole and an air bag are arranged at the position close to the front end of the nephrostomy tube, and a through hole is arranged on the ureteral stent drainage tube. The doctor can be very easy when placing this integrated body pipe of nephrostomy whether the installation targets in place, and can be used for fixed nephrostomy pipe through the gasbag, makes the nephrostomy pipe be difficult for droing.

Description

One kind of nephrostomy tube

technical field

The utility model belongs to the technical field of medical instruments, in particular to a nephrostomy integrated tube.

Background technique

After percutaneous nephroscopy, we routinely indwell the ureteral stent drainage tube and nephrostomy tube. Usually, the nephrostomy tube is extubated before the patient is discharged from the hospital. The ureteral stent drainage tube is also called "double J tube". After extubation in about a month, the patient needs to go back to the hospital again to extract the double J tube, which increases the suffering of the patient and increases the medical expenses borne by the patient. In response to this problem, the prior art provides a utility model patent with the publication number CN202505943U and the name of the integrated renal ureteral catheter. The integrated renal ureteral catheter realizes disposable The ureteral stent drainage tube and nephrostomy tube were pulled out, but during the operation, it was found that it was difficult to determine whether the nephrostomy tube was installed in place. Some patients with long-term nephrostomy tubes often encountered dislocation of the tip of the nephrostomy tube when replacing the nephrostomy tube. In place, if the drainage is not good, it needs to be replaced again to deal with the problem. Moreover, some patients with small renal pelvis tend to fall off from the renal pelvis after the indwelling nephrostomy tube, which may cause poor postoperative drainage and bring great difficulties to the second-stage percutaneous nephroscopic surgery.

Contents of the invention

The utility model aims at the disadvantages of the integrated pipeline of ureteral stent drainage tube and nephrostomy tube in the prior art that it is not easy to install in place and has poor fixing effect, and provides an integrated nephrostomy tube. The doctor places the integrated nephrostomy tube Whether it is installed in place can be easily judged, and the air bag can be used to fix the nephrostomy tube so that the nephrostomy tube is not easy to fall off.

The purpose of the invention of the utility model is achieved through the following technical solutions: a kind of integrated nephrostomy tube, including a ureteral stent drainage tube and a nephrostomy tube, the ureteral stent drainage tube is a single J tube, the ureteral stent drainage tube The outer diameter is smaller than the inner diameter of the nephrostomy tube, and the non-bent end of the ureteral stent drainage tube extends into the nephrostomy tube from the front end of the nephrostomy tube and is arranged along the nephrostomy tube. The center line of the nephrostomy tube is misplaced and the front end of the nephrostomy tube is gradually gathered and fixed on the ureteral stent drainage tube towards the curved end of the ureteral stent drainage tube. The side of the nephrostomy tube near the front end is provided with a side hole, and the position near the front end of the nephrostomy tube is also fixed with an air bag surrounding the nephrostomy tube, the side hole is located between the front end of the nephrostomy tube and the air bag, and the nephrostomy tube The tail end of the nephrostomy tube is fixedly provided with an interface, the position near the tail end of the nephrostomy tube is fixedly provided with a connecting tube connected with the air bag, the tail end of the connecting tube is fixedly provided with a valve, and the ureteral stent drainage tube is provided with a through hole. In the above scheme, because the outer diameter of the ureteral stent drainage tube is smaller than the inner diameter of the nephrostomy tube, that is to say, the outer diameter of the ureteral stent drainage tube is also smaller than the outer diameter of the nephrostomy tube, there is a certain diameter difference between the two, When placing the integrated nephrostomy tube, if there is a large resistance, it means that the front end of the nephrostomy tube is in the renal pelvis, the position is accurate, and the installation is in place, so as to achieve the purpose of exact drainage and effectively prevent the loss of the channel, which is convenient for patients in the second stage. Operation. Injecting water or air into the air bag can be used to fix the nephrostomy tube so that the nephrostomy tube is not easy to fall off. And it can be removed at one time, reducing the pain of the patient and reducing the medical expenses borne by the patient.

Preferably, the front end of the nephrostomy tube is provided with a concave arc surface, and the connecting hole is located on the arc surface. The curved surface can facilitate the drainage of urine.

Preferably, there is a gap between the end of the ureteral stent drainage tube extending into the nephrostomy tube and the tail end of the nephrostomy tube.

Preferably, the distance between one end of the ureteral stent drainage tube extending into the nephrostomy tube and the tail end of the nephrostomy tube is 4cm-6cm.

Preferably, the part of the ureteral stent drainage tube extending into the nephrostomy tube is fixedly connected to the inner wall of the nephrostomy tube.

Preferably, part of the connecting tube extends into the nephrostomy tube, and the part of the connecting tube inside the nephrostomy tube is fixedly connected to the inner wall of the nephrostomy tube.

Preferably, there are multiple through holes provided on the ureteral stent drainage tube, and the multiple through holes are distributed along the length direction of the ureteral stent drainage tube.

Preferably, the length of the gradually gathered part of the front end of the nephrostomy tube is 1 cm, the length of the air bag along the length direction of the nephrostomy tube is 0.5 cm, the side hole is a waist hole, and the length of the side hole is 3 mm.

Compared with the prior art, the utility model has the following beneficial effects: the utility model is simple in structure, can be pulled out at one time, reduces the pain suffered by the patient and the treatment cost borne by the patient, and the doctor can easily judge whether the installation is in place, and The air bag can be used to fix the nephrostomy tube so that the nephrostomy tube is not easy to fall off.

Description of drawings

Fig. 1 is a perspective view of the utility model;

Figure 2 is an enlarged view of A in Figure 1;

Fig. 3 is a schematic diagram of the internal structure of the utility model;

Figure 4 is an enlarged view at B in Figure 3;

Marks in the figure: 1. Ureteral stent drainage tube, 2. Nephrostomy tube, 3. Curved surface, 4. Side hole, 5. Air bag, 6. Interface, 7. Connecting tube, 8. Valve, 9. Through hole, 10 , Connection hole.

Detailed ways

The utility model will be further described below in conjunction with the embodiment represented by accompanying drawing:

Example 1

As shown in Fig. 1, Fig. 2, Fig. 3 and Fig. 4, a kind of nephrostomy tube includes a ureteral stent drainage tube 1 and a nephrostomy tube 2, the ureteral stent drainage tube 1 is a single J tube, and the ureteral The outer diameter of the stent drainage tube 1 is smaller than the inner diameter of the nephrostomy tube 2, and the non-bent end of the ureteral stent drainage tube 1 extends into the nephrostomy tube 2 from the front end of the nephrostomy tube 2 and is arranged along the nephrostomy tube 2, so The centerline of the ureteral stent drainage tube 1 and the centerline of the nephrostomy tube 2 are misplaced, and the front end of the nephrostomy tube 2 is gradually gathered and fixed on the ureteral stent drainage tube 1 toward the curved end of the ureteral stent drainage tube 1. The nephrostomy tube 2. A concave arc surface 3 is provided at the front end. The arc surface 3 is provided with a connecting hole 10 communicating with the inside of the nephrostomy tube 2 .

The side of the nephrostomy tube 2 near the front end is provided with a side hole 4, and the position near the front end of the nephrostomy tube 2 is also fixed with a balloon 5 arranged around the nephrostomy tube 2, and the side hole 4 is located on the side of the nephrostomy tube. 2 Between the front end and the air bag 5, the tail end of the nephrostomy tube 2 is fixedly provided with an interface 6, and the position near the tail end of the nephrostomy tube 2 is fixedly provided with a connecting tube 7 communicating with the air bag 5, and the tail end of the connecting tube 7 is fixedly provided with The valve 8 , part of the connecting tube 7 extends into the nephrostomy tube 2 and the part of the connecting tube 7 inside the nephrostomy tube 2 is fixedly connected with the inner wall of the nephrostomy tube 2 . The ureteral stent drainage tube 1 is provided with a plurality of through holes 9 distributed along the length direction of the ureteral stent drainage tube 1 . The length of the part gradually gathered at the front end of the nephrostomy tube 2 is 1 cm, the length of the air bag 5 along the length direction of the nephrostomy tube 2 is 0.5 cm, the side hole 4 is a waist-shaped hole, and the length of the side hole 4 is 3mm.

There is an interval between the end of the ureteral stent drainage tube 1 extending into the nephrostomy tube 2 and the tail end of the nephrostomy tube 2, and the end of the ureteral stent drainage tube 1 extending into the nephrostomy tube 2 and the tail end of the nephrostomy tube 2 The distance between them is 5cm. The part of the ureteral stent drainage tube 1 extending into the nephrostomy tube 2 is fixedly connected with the inner wall of the nephrostomy tube 2 .

When using the utility model, the thinner ureteral stent drainage tube 1 is placed in the patient's ureter, and the thicker nephrostomy tube 2 is placed in the renal pelvis to drain urine in the renal pelvis. When placing the integrated nephrostomy tube, use the guide wire to pass through the nephrostomy tube 2 and the ureteral stent drainage tube 1. Due to the difference in the outer diameters of the ureteral stent drainage tube 1 and the nephrostomy tube 2, the center of the ureteral stent drainage tube 1 line and the centerline of the nephrostomy tube 2 are misplaced, and the front end of the nephrostomy tube 2 is gradually gathered and fixed on the curved end of the ureteral stent drainage tube 1 toward the ureteral stent drainage tube 1. When the junction moves to the junction of the renal pelvis and the ureter, a greater resistance will be generated. The doctor can easily judge that the nephrostomy tube 2 has been installed in place through the change of resistance during operation, and the position is accurate, so as to achieve the purpose of exact drainage, and it is also effective Prevent channel loss and facilitate second-stage surgery for patients. Postoperative radiographs, if the stones are cleared, the whole nephrostomy tube can be pulled out at one time when the patient is discharged from the hospital, avoiding the patient’s re-admission and pulling out the double J tube, saving the cost of the patient; if the stones are not cleared, a second phase is required In percutaneous nephroscopic surgery, the thinner ureteral stent drainage tube 1 is placed in the ureter to expand the ureter and facilitate the insertion of the flexible ureteroscopic sheath, making preparations for the second-stage flexible endoscopic surgery. The thinner ureteral stent drainage tube 1 is placed in the ureter, which can prevent residual stones from falling into the ureter after percutaneous nephrolithotripsy, and facilitate the treatment of the second-stage percutaneous nephroscopic surgery.

For long-term nephrostomy patients, it is convenient to replace. Insert the guide wire from the end of the nephrostomy tube 2 of the integrated nephrostomy tube. The integrated tube can be replaced with a new integrated nephrostomy tube along the guide wire. The nephrostomy tube 2 has a relatively thick inner diameter, which is convenient for unobstructed drainage, and injects 2 ml of water into the air bag 5 through the connecting tube 7, which can be used as internal fixation. In order to facilitate the guidance of the guide wire, one end of the ureteral stent drainage tube 1 extending into the nephrostomy tube 2 is close to the tail end of the nephrostomy tube 2, and the distance is 5 cm. The interface 6 fixed at the tail end of the nephrostomy tube 2 can be directly connected to urine bag. When replacing the integrated nephrostomy tube, we cut off 5 cm of the tail end of the nephrostomy tube 2 to expose the hollow thin lumen of the ureteral stent drainage tube 1, which facilitates the insertion of the guide wire, which facilitates outpatient replacement of the integrated nephrostomy tube. Tube.

It should be understood that in the claims and description of the present utility model, all "comprising..." should be interpreted as an open meaning, that is, its meaning is equivalent to "at least contains...", and should not be understood as a closed The meaning of , that is, its meaning should not be understood as "contains only...".

The specific embodiments described herein are only examples to illustrate the spirit of the present utility model. Those skilled in the technical field to which the utility model belongs can make various modifications or supplements to the described specific embodiments or adopt similar methods to replace them, but they will not deviate from the spirit of the utility model or go beyond the appended claims defined range.

Claims (8)

1. The nephrostomy integrated tube comprises a ureteral stent drainage tube (1) and a nephrostomy tube (2), wherein the ureteral stent drainage tube (1) is a single J-shaped tube, and is characterized in that the outer diameter of the ureteral stent drainage tube (1) is smaller than the inner diameter of the nephrostomy tube (2), one end, which is not bent, of the ureteral stent drainage tube (1) extends into the nephrostomy tube (2) from the front end of the nephrostomy tube (2) and is arranged along the nephrostomy tube (2), the central line of the ureteral stent drainage tube (1) and the central line of the nephrostomy tube (2) are arranged in a staggered manner, the front end of the nephrostomy tube (2) is gradually drawn in and fixed on the ureteral stent drainage tube (1) towards the bent end of the ureteral stent drainage tube (1), and the front end of the nephrostomy tube (2) is provided with a connecting hole (10) communicated with the inside of the nephrostomy tube (2); the side that nephrostomy tube (2) is close to the front end is equipped with side opening (4), the position that is close to the front end on nephrostomy tube (2) still fixes gasbag (5) that are equipped with around nephrostomy tube (2) setting, side opening (4) are located between nephrostomy tube (2) front end and gasbag (5), and the tail end of nephrostomy tube (2) is fixed and is equipped with interface (6), is close to tail end rigidity on nephrostomy tube (2) and is equipped with connecting pipe (7) that communicate with gasbag (5), and connecting pipe (7) tail end is fixed and is equipped with valve (8), is equipped with through-hole (9) on ureteral support drainage tube (1).

2. A nephrostomy integrated tube according to claim 1, characterized in that the front end of the nephrostomy tube (2) is provided with an inwardly concave cambered surface (3), and the connecting hole (10) is positioned on the cambered surface (3).

3. A nephrostomy integrated tube according to claim 1, characterized in that the ureteral stent drainage tube (1) is spaced from the end of the nephrostomy tube (2) which extends into the nephrostomy tube (2).

4. A nephrostomy integrated tube according to claim 3, characterized in that the ureteral stent drainage tube (1) has a length of 4cm-6cm from the end extending into the nephrostomy tube (2) to the end of the nephrostomy tube (2).

5. A nephrostomy integrated tube according to claim 4, characterized in that the part of the ureteral stent drainage tube (1) extending into the nephrostomy tube (2) is fixedly connected with the inner wall of the nephrostomy tube (2).

6. A nephrostomy integrated tube according to claim 1, characterized in that said connecting tube (7) has a portion which extends into the nephrostomy tube (2) and the portion of the connecting tube (7) located inside the nephrostomy tube (2) is fixedly connected to the inner wall of the nephrostomy tube (2).

7. A nephrostomy integrated tube according to claim 1, characterized in that the ureteral stent drainage tube (1) is provided with a plurality of through holes (9), and the plurality of through holes (9) are distributed along the length direction of the ureteral stent drainage tube (1).

8. A nephrostomy integrated tube according to claim 1 characterized in that the gradually furled part of the front end of the nephrostomy tube (2) is 1cm in length, the length of the balloon (5) along the length direction of the nephrostomy tube (2) is 0.5cm, the side hole (4) is a kidney-shaped hole, and the length of the side hole (4) is 3mm.

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