CN218923512U

CN218923512U - Catheter for ureteroscope operation

Info

Publication number: CN218923512U
Application number: CN202222745917.7U
Authority: CN
Inventors: 郑斌
Original assignee: Nanchang Yili Medical Equipment Co ltd
Current assignee: Nanchang Yili Medical Equipment Co ltd
Priority date: 2022-10-18
Filing date: 2022-10-18
Publication date: 2023-04-28
Anticipated expiration: 2032-10-18

Abstract

The utility model relates to the technical field of urology surgery, in particular to a catheter for ureteroscope operation. A catheter for ureteroscope operation comprises a guide wire, a main body part and a fixing part; the utility model discloses a catheter which is convenient to carry out operations such as catheterization, high-flow bladder flushing, bladder medicine injection and the like through the main body, and has multiple functions, the stability of the catheter is ensured when the catheter is used through the fixing part, and the catheter is easy to operate.

Description

Catheter for ureteroscope operation

Technical Field

The utility model relates to the technical field of urology surgery, in particular to a catheter for ureteroscope operation.

Background

The ureteroscope operation catheter is a urethral catheter channel established for a ureteroscope in a urological operation, and the main purpose of the ureteroscope operation catheter is to prevent the ureteroscope operation from being inserted and pulled out to damage mucous membranes in the urethra and cause urethral infection.

The utility model with the application number of CN201720993533.3 discloses a ureteral catheter which can be used for ureteroscope operation, and comprises a catheter body and a side hole, wherein the inner cavity of the catheter body comprises a linear guide part and an arc guide part; one end of the arc-shaped guide part is communicated with the linear guide part, and the other end of the arc-shaped guide part is communicated with the side hole; the diameter of the side hole is the same as the inner diameter of the pipe body. According to the ureteral catheter capable of being used for ureteroscope operation, the arc-shaped guide wire leading-out cavity is arranged at the insertion end, the extending angle and direction of the guide wire can be controlled, and when the ureteral catheter faces to an abnormal ureteral orifice of a patient, the guide wire can be smoothly and conveniently pushed into the ureter, so that the working efficiency of medical staff is improved, meanwhile, the pain of the patient is reduced, and meanwhile, the ureteral catheter is simple in structure and has multiple functions.

However, because the utility model does not have a fixing structure, the utility model is inconvenient to fix with the body of a patient, so that the stability is poor when in use, the follow-up operation is inconvenient for medical staff, and the utility model is inconvenient to carry out urethral catheterization, large-flow bladder irrigation and bladder medicine injection, and has single function.

Disclosure of Invention

The utility model aims to solve the technical problem of providing a catheter for ureteroscope operation, which is convenient to fix with the body of a patient and has various functions.

In order to solve the problems, the technical scheme provided by the utility model is as follows: a catheter for ureteroscope operation comprises a guide wire, a main body part and a fixing part; the two ends of the guide wire are respectively provided with a head end and a plug, the main body part comprises a first pipe body, a second pipe body and a water outlet pipe, the first pipe body is communicated with the second pipe body, one end of the second pipe body is provided with a sealing ring, the water outlet pipe is communicated with the second pipe body through a connecting pipe, the water outlet pipe is communicated with an adjusting valve, the surface of the first pipe body is provided with a side hole, the fixed part comprises a fixed ring, a fixed part, a connecting piece and a balloon, wherein the first pipe body penetrates through the fixed ring and is in sliding connection with the fixed ring, the connecting piece is connected with the fixed part, the balloon is connected with the fixed ring, the surface of the balloon is communicated with an inflation pipe, and the inflation pipe is communicated with a check valve.

The head end is bullet-shaped, the plug is cake-shaped, the saccule is circular-ring-shaped, and the fixing piece is circular-arc-shaped.

The surface of the first pipe body is provided with two side holes, and the two side holes are positioned on two sides of the surface of the first pipe body.

The surface of the fixing piece is provided with a guide rod which is in sliding connection with the fixing ring, the surface of the guide rod is provided with a spring, and two ends of the spring are respectively propped against the fixing ring and the fixing piece.

The inside spout that is equipped with of solid fixed ring corresponds with connecting piece, mounting, the mounting is located solid fixed ring inside both sides, two connecting piece are with solid fixed ring centre of a circle central symmetry.

The length of the first pipe body is 22cm, the distance from the joint of the connecting pipe and the second pipe body to the joint of the first pipe body and the second pipe body is 5cm, the length of the water outlet pipe is 20cm, and the length of the second pipe body is 18cm.

The outer diameter of the second pipe body is FR20-Fr22, the inner diameter of the second pipe body is FR16-Fr18, and the diameter of the guide wire is FR12-Fr14.

Hydrophilic coatings are arranged on the surfaces of the first pipe body, the second pipe body, the connecting pipe and the water outlet pipe, and the openings of the first pipe body and the second pipe body are subjected to hot melting treatment.

The beneficial effects of the utility model are as follows: the utility model is convenient to carry out operations such as catheterization, large-flow bladder irrigation, bladder drug injection and the like through the main body part, has various functions, is convenient to fix with the body of a patient through the fixing part, ensures the stability of the utility model in use, and is easy to operate.

Drawings

FIG. 1 is a schematic front view of the present utility model;

FIG. 2 is a schematic side view of the fixing portion of the present utility model;

fig. 3 is a schematic side view of the fixing portion of the present utility model.

( 1. A first tube body; 2. an inflation tube; 3. a non-return valve; 4. a second tube body; 5. a seal ring; 6. a regulating valve; 7. a water outlet pipe; 8. a guide wire; 9. a headend; 10. a connecting pipe; 11. a balloon; 12. a side hole; 13. a connecting piece; 14. a fixing member; 15. a spring; 16. a guide rod; 17. a plug; 18. fixing ring )

Detailed Description

Preferred embodiments of the present utility model will be described in detail below with reference to the accompanying drawings.

A catheter for ureteroscope operation, which comprises a guide wire 8, a main body part and a fixing part; the two ends of the guide wire 8 are respectively provided with a head end 9 and a plug 17, the main body part comprises a first tube body 1, a second tube body 4 and a water outlet pipe 7, the second tube body 4 can establish an operable surgical instrument channel for the ureteroscope, the first tube body 1 is communicated with the second tube body 4, one end of the second tube body 4 is provided with a sealing ring 5 for preventing urine and water from flowing out of the end, the water outlet pipe 7 is communicated with the second tube body 4 through a connecting pipe 10, the water outlet pipe 7 can smoothly discharge all liquid in the bladder during operation and can also be used for flushing the bladder after operation, the water outlet pipe 7 is communicated with a regulating valve 6 for controlling the flow rate and the flow velocity of water discharged during operation, the surface of the first tube body 1 is provided with a side hole 12 for drainage, the urine and other liquid in the bladder are conveniently discharged, the main body part is convenient to carry out operations such as catheterization, high-flow bladder flushing and bladder medicine injection, the functions are various, the fixing part comprises a fixing ring 18, a fixing piece 14, a connecting piece 13 and a balloon 11, the first tube body 1 penetrates through the fixing ring 18, the fixing piece 14 penetrates through the fixing ring 18 and is in sliding connection with the fixing ring 18, the connecting piece 13 is connected with the fixing piece 14, the balloon 11 is connected with the fixing ring 18, the surface of the balloon 11 is communicated with an inflation tube 2, the inflation tube 2 is conveniently inflated, the inflation tube 2 is communicated with a check valve 3, the balloon 11 is prevented from air leakage during inflation, the fixing part is conveniently fixed with the body of a patient, and the stability and the operation are easy during use of the utility model are ensured.

According to the utility model, the head end 9 is bullet-shaped, so that the intubation can be better assisted, the plug 17 is cake-shaped, the operation is convenient, the balloon 11 is ring-shaped, and the fixing piece 14 is arc-shaped.

The surface of the first pipe body 1 is provided with two side holes 12, and the two side holes 12 are positioned on two sides of the surface of the first pipe body 1.

The surface of the fixing piece 14 is provided with a guide rod 16, the guide rod 16 is in sliding connection with the fixing ring 18, the surface of the guide rod 16 is provided with a spring 15, and two ends of the spring 15 respectively prop against the fixing ring 18 and the fixing piece 14.

The inside of the fixed ring 18 is provided with sliding grooves corresponding to the connecting pieces 13 and the fixing pieces 14, the fixing pieces 14 are positioned on two sides of the inside of the fixed ring 18, and the two connecting pieces 13 are symmetrical about the center of the circle of the fixed ring 18.

According to the utility model, the length of the first pipe body 1 is 22cm, the distance from the joint of the connecting pipe 10 and the second pipe body 4 to the joint of the first pipe body 1 and the second pipe body 4 is 5cm, the length of the water outlet pipe 7 is 20cm, and the length of the second pipe body 4 is 18cm.

The outer diameter of the second pipe body 4 is FR20-Fr22, the inner diameter of the second pipe body 4 is FR16-Fr18, and the diameter of the guide wire 8 is FR12-Fr14.

Hydrophilic coatings are arranged on the surfaces of the first pipe body 1, the second pipe body 4, the connecting pipe 10 and the water outlet pipe 7, the openings of the first pipe body 1 and the second pipe body 4 are subjected to hot melting treatment, so that the mucous membrane in the urethra is prevented from being damaged in the plugging process, and the inflatable pipe 2 is embedded on the surfaces of the first pipe body 1 and the second pipe body 4.

Working principle: as shown in fig. 3, pressing the connecting piece 13, the connecting piece 13 drives the fixing piece 14 to be far away from the first tube body 1, at this time, the fixing ring 18 can slide freely along the first tube body 1 until the fixing piece 13 is released, the spring 15 pushes the fixing piece 14 to prop against the first tube body 1, the fixing ring 18 is fixed with the first tube body 1, the first tube body 1 and the second tube body 4 are assisted by the guide wire 8 to reach the bladder, the air tube 2 is inflated by using the injector, the air bag is guided into the air bag by the restarting tube to be inflated to be contacted with a patient, the fixing is realized, the regulating valve 6 is opened, liquid in the bladder sequentially enters the first tube body 1, the second tube body 4 and the connecting tube 10 through the side hole 12 and is finally discharged from the water outlet tube 7, and when large-flow bladder irrigation and bladder injection are needed, water or medicine can be injected into the water outlet tube 7, the water inlet is injected into the first tube body 1 through the connecting tube 10 and the second tube body 4 and released into the bladder through the side hole 12.

The utility model and its embodiments have been described above with no limitation, and the actual construction is not limited to the embodiments of the utility model as shown in the drawings. In summary, if one of ordinary skill in the art is informed by this disclosure, a structural manner and an embodiment similar to the technical solution should not be creatively devised without departing from the gist of the present utility model.

Claims

1. A catheter for ureteroscope surgery, characterized in that: comprises a guide wire (8), a main body part and a fixing part; the utility model discloses a balloon inflatable device, including seal ring (18), seal ring (18) and balloon (11), seal ring (7) are equipped with head end (9), end cap (17) respectively at seal wire (8) both ends, main part includes first body (1), second body (4), outlet pipe (7), first body (1) is linked together with second body (4), second body (4) one end is equipped with sealing washer (5), be linked together through being equipped with connecting pipe (10) between outlet pipe (7) and second body (4), outlet pipe (7) intercommunication has governing valve (6), first body (1) surface is equipped with side opening (12), fixed part includes solid fixed ring (18), mounting (14), connecting piece (13), balloon (11), first body (1) runs through solid fixed ring (18), mounting (14) run through solid fixed ring (18) and with solid fixed ring (18) sliding connection, connecting piece (13) are connected with solid fixed ring (18), balloon (11) are connected with balloon (2) surface intercommunication, balloon (2) are connected with balloon inflatable device (3).

2. A catheter for ureteroscope surgical according to claim 1, characterized in that: the head end (9) is bullet-shaped, the plug (17) is round cake-shaped, the balloon (11) is circular ring-shaped, and the fixing piece (14) is arc-shaped.

3. A catheter for ureteroscope surgical according to claim 1, characterized in that: the surface of the first pipe body (1) is provided with two side holes (12), and the two side holes (12) are positioned on two sides of the surface of the first pipe body (1).

4. A catheter for ureteroscope surgical according to claim 1, characterized in that: the fixing device is characterized in that a guide rod (16) is arranged on the surface of the fixing piece (14), the guide rod (16) is in sliding connection with the fixing ring (18), a spring (15) is arranged on the surface of the guide rod (16), and two ends of the spring (15) are respectively abutted against the fixing ring (18) and the fixing piece (14).

5. A catheter for ureteroscope surgical according to claim 1, characterized in that: the fixing ring (18) is internally provided with sliding grooves corresponding to the connecting pieces (13) and the fixing pieces (14), the fixing pieces (14) are positioned on two sides of the inside of the fixing ring (18), and the two connecting pieces (13) are centrally symmetrical with respect to the center of the circle of the fixing ring (18).

6. A catheter for ureteroscope surgical according to claim 1, characterized in that: the length of the first pipe body (1) is 22cm, the distance from the joint of the connecting pipe (10) and the second pipe body (4) to the joint of the first pipe body (1) and the second pipe body (4) is 5cm, the length of the water outlet pipe (7) is 20cm, and the length of the second pipe body (4) is 18cm.

7. A catheter for ureteroscope surgical according to claim 1, characterized in that: the outer diameter of the second pipe body (4) is FR20-Fr22, the inner diameter of the second pipe body (4) is FR16-Fr18, and the diameter of the guide wire (8) is FR12-Fr14.

8. A catheter for ureteroscope surgical according to claim 1, characterized in that: hydrophilic coatings are arranged on the surfaces of the first pipe body (1), the second pipe body (4), the connecting pipe (10) and the water outlet pipe (7), and the openings of the first pipe body (1) and the second pipe body (4) are subjected to hot melting treatment.