CN215875743U

CN215875743U - Disposable bladder perfusion special tube

Info

Publication number: CN215875743U
Application number: CN202122045760.2U
Authority: CN
Inventors: 张贺
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-08-27
Filing date: 2021-08-27
Publication date: 2022-02-22
Anticipated expiration: 2031-08-27

Abstract

A disposable bladder perfusion special tube comprises a drug injection tube, wherein a connector is fixed at the left end of the drug injection tube, a check valve is connected to the right side of the connector, the check valve comprises a first valve body and a second valve body, a baffle ring is arranged in the first valve body, a drug outlet is formed in one end of the first valve body and is connected with the drug injection tube, a first valve port is formed in the other end of the first valve body, a baffle plate is arranged between the first valve port and the baffle ring and is in sliding clearance fit with the inner wall of the first valve body, and a drug discharge hole is formed in the baffle plate; one end of the second valve body is provided with a first valve port, the first valve port is in threaded connection with the second valve port, the other end of the second valve body is provided with a medicine inlet, the medicine inlet is connected with a medicine injection pipe, and a blocking ball is arranged in a cavity defined by the first valve body, the blocking plate and the second valve body; the right end of the medicine injection pipe is provided with a medicine injection pipe head, and the medicine injection pipe head is provided with a plurality of medicine discharge ports. The utility model has simple structure and convenient use.

Description

Disposable bladder perfusion special tube

Technical Field

The utility model belongs to the technical field of bladder perfusion, and particularly relates to a disposable bladder perfusion special tube.

Background

Bladder instillation is a therapeutic and prophylactic procedure in which drugs are infused directly into the bladder via a catheter, a technique routinely used in urology. The operation steps are as follows:

1. the patient gets the flat lying lithotomy position after emptying the bladder, the perineum part is disinfected and paved conventionally, and a double-cavity ureter is inserted through the urethra. After the perfusion medicine is prepared, about 10ml of air is reserved in the injector for emptying residual perfusion liquid in the urine tube.

2. After the perfusion is finished, the ureter can be pulled out, and if the ureter needs to be kept, the ureter is closed for 2 hours. At the same time, the patient is ordered not to urinate within 2h as much as possible. The patient is ordered to take the horizontal position, the left lateral position, the right lateral position and the prone position for 15 minutes respectively in sequence within 2 hours.

The traditional bladder perfusion tube is a common drug injection tube which is usually used by people, and is easy to cause drug leakage and environmental pollution in the whole perfusion process, particularly in the perfusion and chemotherapy process of bladder tumors, the problem of environmental pollution caused by the leakage of drugs (particularly chemotherapy drugs) is not negligible. Therefore, the structure of the existing bladder medicine injection tube is unreasonable, and when a patient is injected with medicine, the medicine is easy to spill, so that medicine waste and environmental pollution are caused, and medical care personnel can be infected.

SUMMERY OF THE UTILITY MODEL

The utility model provides a disposable bladder perfusion special tube, which aims to solve the technical problem that the bladder perfusion tube is easy to spill during perfusion in the prior art, and comprises a horizontally arranged perfusion tube, wherein the left end part of the perfusion tube is fixedly provided with a connector connected with an injector, a first clamping cavity and a second clamping cavity are sequentially arranged on the connector from left to right, the first clamping cavity is communicated with the second clamping cavity, the first clamping cavity is cylindrical, the inner diameter of the first clamping cavity is slightly larger than the perfusion opening of the injector, the second clamping cavity is in a circular truncated cone shape, one end far away from the first clamping cavity is narrower and narrower, the inner diameter of the right end of the second clamping cavity is smaller than the outer diameter of the perfusion opening of the injector, and the perfusion opening of the injector is inserted into the second clamping cavity through the first clamping cavity. Be connected with the check valve on the injection pipe on connector right side, the check valve includes first valve body and second valve body, first valve body and second valve body all are the infundibulate, and be equipped with annular fender ring in the first valve body, the periphery wall that keeps off the ring and the inner wall fixed connection of first valve body, the one end of first valve body is equipped with out the medicine mouth, go out medicine mouth and injection union coupling, the other end of first valve body is equipped with the first valve port of bottle mouth type, the external screw thread has been seted up on the first valve port, be equipped with between first valve port and the fender ring and be the circular shape baffle, the baffle is with the inner wall slidable clearance fit of first valve body, a plurality of discharge of medicine hole has been seted up on the baffle. One end of the second valve body is provided with a second valve port corresponding to the first valve port, an internal thread is arranged on the second valve port, the second valve port is in threaded connection with the first valve port, the other end of the second valve body is provided with a medicine inlet, the medicine inlet is connected with a medicine injection pipe, a blocking ball is arranged in a cavity defined by the first valve body, the blocking plate and the second valve body, a medicine injection pipe head is arranged at the right end of the medicine injection pipe, and a plurality of medicine discharge ports are arranged on the medicine injection pipe head.

Preferably, the medicine injection tube head is in a semi-sphere shape, the medicine discharge port comprises a first medicine discharge port and a plurality of second medicine discharge ports, the first medicine discharge port is horizontally arranged at the end part of the medicine injection tube port, the second medicine discharge ports are uniformly arranged on the side wall of the medicine injection tube port, and the first medicine discharge port and the second medicine discharge ports are communicated with the medicine injection tube; the diameter of the first medicine discharging port is larger than that of the second medicine discharging port, so that the medicine can be more uniformly injected into the bladder of a patient.

Preferably, the medicine discharging holes in the baffle are uniformly arranged around the circle center of the baffle, and the diameters of the medicine discharging holes in the baffle are sequentially reduced from the center of the baffle to the outside.

Preferably, the diameter of the blocking ball is larger than that of the medicine inlet, and the diameter of the blocking ball is smaller than that of the second valve body.

Preferably, the distance between the baffle ring and the first valve port is larger than the thickness of the baffle plate, the baffle plate can slide freely, and the inner diameter of the baffle ring is smaller than the diameter of the baffle plate.

Preferably, a guide wire cannula is connected to the drug injection tube on the right side of the one-way valve.

The scheme has the following advantages:

the arrangement of the connector enables the connecting connector to have a connecting effect on the injector and the injection tube, and the arrangement of the second clamping cavity on the connecting connector can achieve a clamping and sealing effect on the injection port of the injector, so that the medicine in the injector can be prevented from being scattered during injection; due to the arrangement of the one-way valve, when the medicine is injected into the bladder of the patient, the one-way valve blocks the backflow of the medicine, so that the waste caused by the scattering of the medicine is avoided, the cleanness of the environment is improved, and the infection risk of the patient and medical care personnel is reduced; the medicine injection can is arranged into a semi-spherical shape, so that the medicine injection tube can be conveniently inserted into the bladder of the patient; the first medicine discharging port and the second medicine discharging port are arranged, so that medicine can be more uniformly injected into the bladder of a patient.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic cross-sectional view of the present invention;

FIG. 3 is an enlarged view of portion A of FIG. 2;

FIG. 4 is an enlarged view of portion B of FIG. 2;

FIG. 5 is an enlarged view of section C of FIG. 2;

fig. 6 is a schematic structural view of the baffle.

Reference numerals: 1. a medicine injection tube; 2. a connector; 3. an injector; 4. a one-way valve; 5. a guide wire insertion tube; 11. a medicine injection tube head; 12. a first discharge port; 13. a second discharge port; 21. a first clamping cavity; 22. a second clamping cavity; 31. a syringe injection port; 41. a first valve body; 42. a second valve body; 43. a baffle ring; 44. a medicine outlet; 45. a first valve port; 46. a baffle plate; 461. a drug discharge hole; 47. a second valve port; 48. a blocking ball; 49. a medicine inlet.

Detailed Description

As shown in fig. 1-6, a disposable bladder perfusion tube comprises a horizontally arranged drug injection tube 1, a connector 2 connected with a syringe 3 is fixed at the left end of the drug injection tube 1, a first clamping cavity 21 and a second clamping cavity 22 are sequentially arranged on the connector 2 from left to right, the first clamping cavity 21 is communicated with the second clamping cavity 22, the first clamping cavity 21 is cylindrical, the inner diameter of the first clamping cavity 21 is slightly larger than that of the syringe drug injection port 31, the second clamping cavity 22 is in a circular truncated cone shape, one end far away from the first clamping cavity 21 is narrower and narrower, the inner diameter of the right end of the second clamping cavity 21 is smaller than that of the syringe drug injection port 31, and the syringe drug injection port 31 penetrates through the first clamping cavity 21 and is inserted into the second clamping cavity 22. Be connected with check valve 4 on the injection pipe 1 on connector 2 right side, check valve 4 includes first valve body 41 and second valve body 42, first valve body 41 and second valve body 42 all are the infundibulate, and be equipped with annular fender ring 43 in the first valve body 41, the periphery wall that keeps off ring 43 and the inner wall fixed connection of first valve body 41, the one end of first valve body 41 is equipped with out medicine mouth 44, it is connected with injection pipe 1 to go out medicine mouth 44, the other end of first valve body 41 is equipped with the first valve port 45 of bottle mouth type, the external screw thread has been seted up on the first valve port 45, be equipped with between first valve port 45 and the fender ring 43 and be circular shape baffle 46, baffle 46 and the inner wall slidable clearance fit of first valve body 41, a plurality of discharge of medicines hole 461 has been seted up on the baffle 46. One end of the second valve body 42 is provided with a second valve port 47 corresponding to the first valve port 45, the second valve port 47 is provided with internal threads, the second valve port 47 is in threaded connection with the first valve port 45, the other end of the second valve body 42 is provided with a medicine inlet 49, the medicine inlet 49 is connected with the medicine injection pipe 1, a blocking ball 48 is arranged in a cavity defined by the first valve body 41, the blocking plate 46 and the second valve body 42, the right end of the medicine injection pipe 1 is provided with a medicine injection pipe head 11, and the medicine injection pipe head 11 is provided with a plurality of medicine discharge ports.

Preferably, the medicine injection tube head 11 is in a semi-sphere shape, the medicine discharge port comprises a first medicine discharge port 12 and a plurality of second medicine discharge ports 13, the first medicine discharge port 12 is horizontally arranged at the end part of the medicine injection tube opening 11, the second medicine discharge ports 12 are uniformly arranged on the side wall of the medicine injection tube opening 11, and the first medicine discharge port 12 and the second medicine discharge ports 13 are both communicated with the medicine injection tube 1; the diameter of the first discharge port 12 is larger than that of the second discharge port 13, so that the medicine can be more uniformly injected into the bladder of the patient.

Preferably, the discharge holes 461 of the baffle plate 46 are uniformly arranged around the center of the baffle plate 46, and the diameters of the discharge holes 461 of the baffle plate 46 are sequentially reduced from the center of the baffle plate 46 to the outside.

Preferably, the diameter of the blocking ball 48 is larger than the diameter of the medicine inlet 49, and the diameter of the blocking ball 48 is smaller than the diameter of the second valve body 42.

Preferably, the distance between the baffle ring 43 and the first valve port 45 is greater than the thickness of the baffle 46, and the baffle 46 can slide freely, and the inner diameter of the baffle ring 43 is smaller than the diameter of the baffle 46.

Preferably, a guide wire cannula 5 is connected to the drug injection tube 1 at the right side of the one-way valve 4.

The use process comprises the following steps:

when the medical injector is used, urine in the bladder of a patient is emptied firstly, then a guide wire is inserted into the medicine injection tube 1 from the guide wire insertion tube 5, then the medicine injection tube 1 is inserted into the bladder of the patient, the guide wire is taken out, the guide wire insertion tube 5 is sealed, then prepared medicine liquid is sucked through the injector 3, the injection port 31 of the injector 3 is inserted into the connector 2, the injection port 31 of the injector is clamped in the second clamping cavity 22 of the connector 2, the piston of the injector 3 is pushed, the medicine liquid in the injector 3 flows to the medicine injection tube head 11 through the one-way valve 3, and then flows into the bladder of the patient through the first medicine discharge port 12 and the second medicine discharge port 13 respectively; when the piston of the syringe 3 is pushed, the liquid medicine pushes the blocking ball 48 and the baffle 46 to move towards the first valve body, the liquid medicine flows into the second valve body 42 from the medicine inlet 49 of the one-way valve 4, and then the liquid medicine in the second valve body 42 flows into the first valve body 41 through the medicine discharge hole 461 on the baffle 46 and finally flows out from the medicine outlet 44; when the liquid medicine in the bladder flows back, the liquid medicine in the medicine injection tube 1 flows to the first valve body 41 from the medicine outlet 44, the liquid medicine in the first valve body 41 pushes the baffle 46 to move towards the second valve body 42, and the baffle 46 pushes the blocking ball 48 to block the medicine inlet 49, so that the liquid medicine is blocked.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "left", "right", "top", "bottom", "horizontal", "vertical", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are only for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.

The above embodiments are illustrative of the present invention, and are not intended to limit the present invention, and any simple modifications of the present invention are within the scope of the present invention.

Claims

1. The utility model provides a special pipe of disposable bladder perfusion, includes the injection pipe of horizontal setting, its characterized in that: the left end part of the drug injection tube is fixedly provided with a connector connected with an injector, the drug injection tube on the right side of the connector is connected with a check valve, the check valve comprises a first valve body and a second valve body, the first valve body and the second valve body are both funnel-shaped, an annular retaining ring is arranged in the first valve body, the outer peripheral wall of the retaining ring is fixedly connected with the inner wall of the first valve body, one end of the first valve body is provided with a drug outlet connected with the drug injection tube, the other end of the first valve body is provided with a bottle-mouth-shaped first valve port, a circular baffle is arranged between the first valve port and the retaining ring, the baffle is in sliding clearance fit with the inner wall of the first valve body, and a plurality of drug discharge holes are formed in the baffle; one end of the second valve body is provided with a second valve port corresponding to the first valve port, the first valve port is in threaded connection with the second valve port, the other end of the second valve body is provided with a medicine inlet, the medicine inlet is connected with a medicine injection pipe, and a blocking ball is arranged in a cavity defined by the first valve body, the baffle and the second valve body; the right end of the medicine injection pipe is provided with a medicine injection pipe head, and the medicine injection pipe head is provided with a plurality of medicine discharge ports.

2. The disposable bladder irrigation special tube according to claim 1, wherein: a first clamping cavity and a second clamping cavity are sequentially formed in the connecting head from left to right, the first clamping cavity is communicated with the second clamping cavity, the first clamping cavity is cylindrical, and the inner diameter of the first clamping cavity is slightly larger than the injection port of the syringe; the second clamping cavity is in a round table shape, one end of the second clamping cavity, which is far away from the first clamping cavity, is narrower and narrower, and the inner diameter of the right end of the second clamping cavity is smaller than the outer diameter of a medicine injection port of the injector.

3. The disposable bladder irrigation special tube according to claim 2, wherein: the injection tube head is the hemisphere form, and the mouth of arranging medicine includes first mouth of arranging medicine and a plurality of second row medicine mouth, and first mouth of arranging medicine level sets up at the orificial tip of injection, and the second is arranged medicine mouth and is evenly set up on the orificial lateral wall of injection, and first mouth of arranging medicine and second are arranged medicine mouth and all are communicate with the injection pipe.

4. The disposable bladder irrigation special tube according to claim 3, wherein: the diameter of the first medicine discharging port is larger than that of the second medicine discharging port.

5. The disposable bladder irrigation special tube according to claim 4, wherein: the medicine discharging holes in the baffle are uniformly arranged around the circle center of the baffle, and the diameters of the medicine discharging holes in the baffle are sequentially reduced from the center of the baffle to the outside.

6. The disposable bladder irrigation special tube as claimed in claim 5, wherein: the diameter of the blocking ball is larger than that of the medicine inlet, and the diameter of the blocking ball is smaller than that of the second valve body.

7. The disposable bladder irrigation special tube as claimed in claim 6, wherein: the distance between the baffle ring and the first valve port is larger than the thickness of the baffle plate, the baffle plate can freely slide, and the inner diameter of the baffle ring is smaller than the diameter of the baffle plate.

8. The disposable bladder irrigation special tube according to claim 7, wherein: the drug injection tube on the right side of the one-way valve is connected with a guide wire intubation tube.