CN107233655B

CN107233655B - Use method of ureter double-balloon drainage tube and double-balloon drainage tube structure thereof

Info

Publication number: CN107233655B
Application number: CN201710532306.5A
Authority: CN
Inventors: 王勇; 李玲; 苏杨波; 曾军
Original assignee: Tongji Medical College of Huazhong University of Science and Technology
Current assignee: Tongji Medical College of Huazhong University of Science and Technology
Priority date: 2017-07-03
Filing date: 2017-07-03
Publication date: 2023-05-12
Anticipated expiration: 2037-07-03
Also published as: CN107233655A

Abstract

The invention discloses a use method of a ureter double-balloon drainage tube. It comprises the following steps: after the conventional percutaneous puncture is carried out to expand the renal pelvis and the renal calyx, introducing a guide wire to pass through the ureter stenosis, and introducing the guide wire into a ureter double-balloon drainage tube; injecting contrast agent through an external interface of the fork-shaped injection seat, which is connected with the urine drainage cavity; when the ureteral stenosis is positioned at the upper section of the ureter, the second saccule is positioned at the ureteral stenosis, and the first saccule is positioned in the ureter; when the ureteral stenosis is positioned at the lower section of the ureter, the first saccule is positioned at the ureteral stenosis, and the second saccule is positioned in the ureter; injecting the contrast agent into the first balloon and the second balloon through the outer interface of the fork-shaped injection seat connected with the first balloon and the outer interface connected with the second balloon; a ureter double-balloon drainage tube is fixed on the body surface. Has the advantages of effectively draining urine, relieving hydronephrosis and continuously dilating ureteral stenosis. The invention also discloses a double-balloon drainage tube structure of the ureter double-balloon drainage tube using method.

Description

Use method of ureter double-balloon drainage tube and double-balloon drainage tube structure thereof

Technical Field

The invention relates to the technical field of medical appliances, in particular to a use method of a ureter double-balloon drainage tube. The invention also relates to a double-balloon drainage tube structure of the ureter double-balloon drainage tube using method.

Background

Ureteral stenosis is a common disease of urinary surgery, long-term ureteral stenosis can have serious influence on kidney function, a light person causes hydronephrosis, and a serious person causes kidney function damage; at present, an open or endoscopic surgery method is mostly adopted for ureteral shaping treatment, but the surgical wound is larger, the technical requirement on experience in surgery is higher, and urinary fistula, restenosis of anastomotic stoma or incision infection are easy to occur after surgery; along with the continuous development of the scientific technology and the continuous deep understanding of minimally invasive technology, the method for treating ureteral stenosis by adopting the ureteral cavity to expand and placing the double J-tube has the advantages of simplicity in operation, short hospitalization time, small trauma, quick recovery and the like, and after the double J-tube is placed in the ureteral cavity, the double J-tube has drainage supporting function and is beneficial to ureteral mucosa repair, and is gradually accepted by clinicians, but the implanted double J-tube is generally thinner (the tube diameter is smaller than 3 mm), and has limited expansion capacity, and benign ureteral stenosis often needs repeated expansion, repeated replacement and long-term retention of the double J-tube, so that urine salt deposition is easily induced, and then ureteral urinary tract infection or obstruction is caused.

The existing patent number is 201220596709.9, the patent name is ureter dilatation renal cavity drainage tube, the saccule is a single saccule, and the saccule is only fixed.

The existing patent number is 201120011674.3, the patent name is integrated biliary tract internal irradiation saccule drainage tube which is applied to biliary tract malignant tumor, internal irradiation radiotherapy is carried out, the length of the double-cavity drainage tube is 25-40 cm, and the outer diameter is 7-12F; the length of the inner irradiation saccule is 3-7 cm, and the outer diameter is 5-7 cm.

The prior patent number is 201710173135.X, the patent name is a double-cavity porous saccule catheter, the tail end of the drainage tube is closed, the tail end of the double-cavity catheter is a one-way air valve, and the double-cavity catheter is a single external drainage mode and is applied to intestinal tracts, biliary tracts and urethra.

Disclosure of Invention

The first aim of the invention is to provide a use method of the ureter double-balloon drainage tube, which can judge the unobstructed condition of the ureter cavity by the radiography of the external interface connected with the urine drainage cavity communicated with the urine drainage cavity, adjust the diameter of the balloon arranged at the ureter stenosis in time and accurately dilate the ureter stenosis.

The second purpose of the invention is to provide a double-balloon drainage tube structure of the ureter double-balloon drainage tube using method, adopting double-balloon design, wherein one balloon is used for expanding the ureter stenosis, and the other balloon is positioned in the ureter to play an auxiliary fixing role for expanding the ureter stenosis at different positions; the urine drainage cavity can be washed at any time, so that urine deposition is avoided.

In order to achieve the first object of the present invention, the present invention has the following technical solutions: the use method of the ureter double-balloon drainage tube is characterized by comprising the following steps of: the method comprises the following steps:

step 1: after the conventional percutaneous puncture is carried out to expand the renal pelvis and the renal calyx, introducing a guide wire to pass through the ureter stenosis, and introducing the guide wire into a ureter double-balloon drainage tube;

step 2: injecting contrast medium (containing 100-150 mgl/dl) through the outer interface of the fork-shaped injection seat connected with the urine drainage cavity, determining that the proximal side hole of the urine drainage cavity is positioned in the renal pelvis or ureter, and sealing the outer interface connected with the urine drainage cavity by using a heparin cap capable of repeatedly puncturing and injecting; the contrast agent enters the bladder through the drainage tube and then is discharged out of the body;

step 3: the positions of the first balloon and the second balloon are adjusted, when the ureter stenosis is positioned at the upper section of the ureter, the second balloon is positioned at the ureter stenosis, and the first balloon is positioned in the ureter; when the ureteral stenosis is positioned at the lower section of the ureter, the first saccule is positioned at the ureteral stenosis, and the second saccule is positioned in the ureter; injecting diluted contrast agent (containing 100-150mgl/dl iodine) into the outer interface of the first balloon and the outer interface of the second balloon through the fork-shaped injection seat to fill the first balloon and the second balloon, so that the balloon positioned at the narrow part of the ureter is expanded to 4-6mm in diameter, and the balloon in the normal ureter is expanded to 3-4mm; the outer interface connected with the first saccule and the outer interface connected with the second saccule are sealed by a heparin cap capable of repeatedly puncturing and injecting; when the double-balloon drainage tube is pulled out, a heparin cap capable of repeatedly puncturing and injecting is opened, the heparin cap is pulled back by an injector, and contrast agent flows out;

step 4: a ureter double-balloon drainage tube is fixed on the body surface; urine enters the urine drainage cavity through the side hole and is discharged through the lower ureter section and the bladder, or is discharged out of the body through an external interface connected with the urine drainage cavity; and (5) checking the contrast condition after two weeks, and determining whether to continue expanding to 6-8mm according to the checking of the contrast condition.

In the technical scheme, the model of the ureter double-balloon drainage tube is selected according to the age (infant, child and adult) of a patient and/or the ureter length. Is convenient for drainage of hydronephrosis, relieving ureteral obstruction and accurately expanding ureteral stenosis.

In order to achieve the second object of the present invention, the present invention has the following technical scheme: the ureter double-balloon drainage tube structure of the using method comprises a urine drainage cavity and a balloon, wherein the balloon comprises a first balloon and a second balloon, and is characterized in that: the saccule is respectively positioned at the ureter stenosis and in the ureter; the ureter double-balloon drainage tube is of a three-cavity structure; the length of the urine drainage cavity is 15-30cm, the outer diameter is 2-3mm, and the urine drainage cavity is made of polyurethane; the length of the balloon is 5-10cm, the outer diameter of the balloon is 4-7mm, the distance between the first balloon and the second balloon is 10cm, and the balloon is made of latex; the fork-shaped injection seat comprises an outer interface connected with the first balloon, an outer interface connected with the second balloon and an outer interface connected with the urine drainage cavity; the balloon connecting cavity comprises a first balloon connecting cavity and a second balloon connecting cavity, the first balloon connecting cavity is communicated with the first balloon, and the second balloon connecting cavity is communicated with the second balloon; the first balloon connecting cavity is connected with the first balloon in a seamless manner, one end of the first balloon connecting cavity is connected with an external interface connected with the first balloon in a seamless manner, the second balloon connecting cavity is connected with the second balloon in a seamless manner, one end of the second balloon connecting cavity is connected with the external interface connected with the second balloon in a seamless manner, and the right end of the urine drainage cavity is connected with the external interface connected with the urine drainage cavity in a seamless manner; the saccule is positioned outside the urine drainage cavity; the X-ray-impermeable metal mark is arranged on the inner side of the saccule and positioned on the outer wall of the urine drainage cavity; the side holes are arranged on the outer wall of the urine drainage cavity and positioned at the left side and the right side of the saccule, and are communicated with the urine drainage cavity; the end holes are respectively arranged at the left end and the right end of the urine drainage cavity; the outer interface connected with the first balloon is of a screw structure, the outer interface connected with the second balloon is of a screw structure, the outer interface connected with the urine drainage cavity is of a screw structure, and heparin caps capable of repeatedly puncturing and injecting are respectively connected to the outer interface connected with the first balloon, the outer interface connected with the second balloon and the outer interface connected with the urine drainage cavity; the type of ureteral double balloon drainage tube is selected according to the patient's age (infant, child, adult) and/or ureteral length.

In the above technical solution, there are two or more side holes. Is convenient for draining urine.

In the above technical solution, there are two or more X-ray opaque metal marks. The balloon position is conveniently determined.

The invention has the following advantages:

(1) The invention can be washed at any time to keep unobstructed, and can be used for radiography at any time, the diameter of the expansion saccule can be adjusted according to the unobstructed condition of the ureteral cavity, or the diameter of the expansion saccule can be gradually increased, so that the invention has better effect of improving the narrow part of the ureter;

(2) The invention can continuously dilate the ureteral stenosis while ensuring sufficient urine drainage, can continuously increase the diameter of the saccule within a certain limit, effectively relieve ureteral obstruction, dilate the ureteral stenosis and protect kidney function; overcomes the defects that in the process of expanding ureter stenosis by the traditional saccule dilation, if the saccule has too small diameter, the curative effect is poor, the diameter is too large, the ureter is torn or ischemic necrosis is easy to occur, scar contracture is easy to occur, the ureter lumen is again narrow, and the saccule dilation is often required to be repeatedly carried out for a plurality of times;

(3) The invention adopts a double-balloon design, the distance between the two balloons is 10cm, one balloon is arranged at the narrow part of the ureter to play a role in expanding, the other balloon is arranged in the ureter to play a role in auxiliary fixing, the roles of the two balloons can be exchanged, and the narrow parts of different parts (upper, middle and lower sections) of the ureter can be expanded simultaneously;

(4) The operation is simple and convenient, the operation time is about 1 hour, and the dilating balloon can be placed at the ureter stenosis for a long time through single operation, so that the continuous dilating effect is achieved, and the overall cost of a patient is reduced; overcomes the defects of pain and high overall cost of patients caused by repeated implementation of the traditional balloon dilation operation.

Drawings

FIG. 1 is a schematic diagram of the structure of the present invention.

Fig. 2 is a schematic diagram of the working structure of the present invention.

Fig. 3 is a schematic diagram of another working structure of the present invention.

In the figure, a 1-urine drainage cavity, a 1.1-end hole, a 1.2-side hole, a 2-balloon, a 2.1-first balloon, a 2.2-second balloon, a 3-fork injection seat, an external interface connected with the first balloon, an external interface connected with the second balloon, an external interface connected with the urine drainage cavity, a 3.3-external interface connected with the urine drainage cavity, a 4-X-ray-impermeable metal mark, a 5-balloon connection cavity, a 5.1-first balloon connection cavity, a 5.2-second balloon connection cavity, a 6-ureter double-balloon drainage tube, a 7-ureter, an 8-ureter stenosis and a 9-renal pelvis are shown.

Detailed Description

The following detailed description of the invention is, therefore, not to be taken in a limiting sense, but is made merely by way of example. While making the advantages of the present invention clearer and more readily understood by way of illustration.

As can be seen with reference to the accompanying drawings: the use method of the ureter double-balloon drainage tube is characterized by comprising the following steps of: the method comprises the following steps:

step 1: after the conventional percutaneous puncture is carried out to the ponding and dilate the renal pelvis 9 and the renal calyx, a guide wire is introduced to pass through the ureter stenosis 8 and then introduced into the ureter double saccule drainage tube 6 through the guide wire;

step 2: the contrast agent is injected through an outer interface 3.3 of the fork-shaped injection seat 3, which is connected with the urine drainage cavity, the proximal side hole 1.2 of the urine drainage cavity 1 is determined to be positioned in the renal pelvis 9 or the ureter 7, and the outer interface 3.3, which is connected with the urine drainage cavity, is sealed by a heparin cap capable of repeatedly puncturing and injecting; the contrast agent enters the bladder through the drainage tube and then is discharged out of the body;

step 3: adjusting the positions of the first balloon 2.1 and the second balloon 2.2, wherein when the ureteral stenosis 8 is positioned at the upper section of the ureter 7, the second balloon 2.2 is positioned at the ureteral stenosis 8, and the first balloon 2.1 is positioned in the ureter 7; when the ureteral stenosis 8 is positioned at the lower section of the ureter 7, the first balloon 2.1 is positioned at the ureteral stenosis 8, and the second balloon 2.2 is positioned in the ureter 7; injecting diluted contrast agent through an outer interface 3.1 connected with a first balloon and an outer interface 3.2 connected with a second balloon of a fork-shaped injection seat 3 to fill the first balloon 2.1 and the second balloon 2.2, so that the balloon 2 positioned at a ureter stenosis 8 is expanded to a diameter of 4-6mm, and the balloon 2 in a normal ureter 7 is expanded to a diameter of 3-4mm; the outer interface 3.1 connected with the first balloon and the outer interface 3.2 connected with the second balloon are sealed by a heparin cap capable of repeatedly puncturing and injecting; when the double-balloon drainage tube is pulled out, a heparin cap capable of repeatedly puncturing and injecting is opened, the heparin cap is pulled back by an injector, and the contrast agent flows out (as shown in fig. 2 and 3);

step 4: a ureter double-balloon drainage tube 6 is fixed on the body surface; urine enters the urine drainage cavity 1 through the side hole 1.2 and is discharged through the lower section of the ureter 7 and the bladder, or is discharged outside the body through the outer interface 3.3 connected with the urine drainage cavity.

As can be seen with reference to the accompanying drawings: the ureter double-balloon drainage tube structure of the using method comprises a urine drainage cavity 1 and a balloon 2, wherein the balloon 2 comprises a first balloon 2.1 and a second balloon 2.2, and is characterized in that: the saccule 2 is respectively positioned in a ureter stenosis 8 and a ureter 7; the ureter double-balloon drainage tube 6 is of a three-cavity structure; the length of the urine drainage cavity 1 is 15-30cm, the outer diameter is 2-3mm, and the urine drainage cavity 1 is made of polyurethane; the length of the balloon 2 is 5-10cm, the outer diameter is 4-7mm, the distance between the first balloon 2.1 and the second balloon 2.2 is 10cm, and the balloon 2 is made of latex; the fork-shaped injection seat 3 comprises an outer interface 3.1 connected with the first balloon, an outer interface 3.2 connected with the second balloon and an outer interface 3.3 connected with the urine drainage cavity; the balloon connecting cavity 5 comprises a first balloon connecting cavity 5.1 and a second balloon connecting cavity 5.2, the first balloon connecting cavity 5.1 is communicated with the first balloon 2.1, and the second balloon connecting cavity 5.2 is communicated with the second balloon 2.2; the first balloon connecting cavity 5.1 is connected with the first balloon 2.1 in a seamless manner, one end of the first balloon connecting cavity is connected with the outer interface 3.1 connected with the first balloon in a seamless manner, the second balloon connecting cavity 5.2 is connected with the second balloon 2.2 in a seamless manner, one end of the second balloon connecting cavity is connected with the outer interface 3.2 connected with the second balloon in a seamless manner, and the right end of the urine drainage cavity 1 is connected with the outer interface 3.3 connected with the urine drainage cavity in a seamless manner; the saccule 2 is positioned outside the urine drainage cavity 1; the X-ray-impermeable metal mark 4 is arranged on the inner side of the balloon 2 and is positioned on the outer wall of the urine drainage cavity 1; the side hole 1.2 is arranged on the outer wall of the urine drainage cavity 1 and positioned at the left side and the right side of the saccule 2, and the side hole 1.2 is communicated with the urine drainage cavity 1; the end holes 1.1 are respectively arranged at the left end and the right end of the urine drainage cavity 1 (as shown in figure 1); the outer interface 3.1 connected with the first balloon is in a screw structure, the outer interface 3.2 connected with the second balloon is in a screw structure, the outer interface 3.3 connected with the urine drainage cavity is in a screw structure, and heparin caps capable of repeatedly puncturing and injecting are respectively connected to the outer interface 3.1 connected with the first balloon, the outer interface 3.2 connected with the second balloon and the outer interface 3.3 connected with the urine drainage cavity; the type of ureter double balloon drainage tube 6 is selected according to the patient's age and/or the length of ureter 7. There are two or more side holes 1.1. The X-ray opaque metallic markers 4 are two or more.

Other non-illustrated parts are known in the art.

Claims

1. Ureter double balloon drainage tube structure, including urine drainage chamber (1), sacculus (2) include first sacculus (2.1) and second sacculus (2.2), its characterized in that: the saccule (2) is respectively positioned in the ureter stenosis (8) and the ureter (7); the ureter double-balloon drainage tube (6) is of a three-cavity structure; the length of the urine drainage cavity (1) is 15-30cm, the outer diameter is 2-3mm, and the urine drainage cavity (1) is made of polyurethane; the length of the balloon (2) is 5-10cm, the outer diameter of the balloon is 4-7mm, the distance between the first balloon (2.1) and the second balloon (2.2) is 10cm, and the balloon (2) is made of latex; the fork-shaped injection seat (3) comprises an outer interface (3.1) connected with the first balloon, an outer interface (3.2) connected with the second balloon and an outer interface (3.3) connected with the urine drainage cavity; the balloon connecting cavity (5) comprises a first balloon connecting cavity (5.1) and a second balloon connecting cavity (5.2), the first balloon connecting cavity (5.1) is communicated with the first balloon (2.1), and the second balloon connecting cavity (5.2) is communicated with the second balloon (2.2); the first balloon connecting cavity (5.1) is connected with the first balloon (2.1) in a seamless manner, one end of the first balloon connecting cavity is connected with the outer interface (3.1) connected with the first balloon in a seamless manner, the second balloon connecting cavity (5.2) is connected with the second balloon (2.2) in a seamless manner, one end of the second balloon connecting cavity is connected with the outer interface (3.2) connected with the second balloon in a seamless manner, and the right end of the urine drainage cavity (1) is connected with the outer interface (3.3) connected with the urine drainage cavity in a seamless manner; the saccule (2) is positioned at the outer side of the urine drainage cavity (1); the X-ray-impermeable metal mark (4) is arranged at the inner side of the balloon (2) and is positioned at the outer wall of the urine drainage cavity (1); the side holes (1.2) are arranged on the outer wall of the urine drainage cavity (1) and are positioned at the left side and the right side of the saccule (2), and the side holes (1.2) are communicated with the urine drainage cavity (1); the end holes (1.1) are respectively arranged at the left end and the right end of the urine drainage cavity (1); the outer interface (3.1) connected with the first balloon is of a screw structure, the outer interface (3.2) connected with the second balloon is of a screw structure, the outer interface (3.3) connected with the urine drainage cavity is of a screw structure, and heparin caps capable of repeatedly puncturing and injecting are respectively connected to the outer interface (3.1) connected with the first balloon, the outer interface (3.2) connected with the second balloon and the outer interface (3.3) connected with the urine drainage cavity; the model of the catheter double-balloon drainage tube (6) is selected according to the age of a patient and/or the length of the ureter (7);

when the ureteral stenosis (8) is positioned at the upper section of the ureter (7), the second balloon (2.2) is positioned at the ureteral stenosis (8), and the first balloon (2.1) is positioned in the ureter (7); when the ureter stenosis (8) is positioned at the lower section of the ureter (7), the first balloon (2.1) is positioned at the ureter stenosis (8), and the second balloon (2.2) is positioned in the ureter (7);

the saccule (2) positioned at the narrow part (8) of the urinary catheter is expanded to 4-6mm in diameter, and the saccule (2) in the normal ureter (7) is expanded to 3-4mm; the outer interface (3.1) connected with the first saccule and the outer interface (3.2) connected with the second saccule are sealed by a heparin cap capable of repeatedly puncturing and injecting;

a ureter double-balloon drainage tube (6) is fixed on the body surface; urine enters the urine drainage cavity (1) through the side hole (1.2) and is discharged through the lower section of the ureter (7) and the bladder.

2. The ureteral double-balloon drainage tube structure according to claim 1, characterized in that: the side holes (1.2) are multiple.

3. The ureteral double-balloon drainage tube structure according to claim 2, characterized in that: the X-ray opaque metal mark (4) has a plurality of metal marks.