CN220877506U - Leakage-proof three-cavity catheter - Google Patents
Leakage-proof three-cavity catheter Download PDFInfo
- Publication number
- CN220877506U CN220877506U CN202322134748.8U CN202322134748U CN220877506U CN 220877506 U CN220877506 U CN 220877506U CN 202322134748 U CN202322134748 U CN 202322134748U CN 220877506 U CN220877506 U CN 220877506U
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- Prior art keywords
- cavity
- pipeline
- drainage
- perfusion
- proof
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- 230000010412 perfusion Effects 0.000 claims description 33
- 238000001514 detection method Methods 0.000 claims description 10
- 230000002485 urinary effect Effects 0.000 claims description 10
- 239000007788 liquid Substances 0.000 claims description 7
- 230000000087 stabilizing effect Effects 0.000 claims description 4
- 210000004712 air sac Anatomy 0.000 claims description 3
- 238000011010 flushing procedure Methods 0.000 claims description 3
- 239000000463 material Substances 0.000 claims description 3
- 229920000642 polymer Polymers 0.000 claims description 3
- 210000002700 urine Anatomy 0.000 description 10
- 239000003086 colorant Substances 0.000 description 3
- 206010002198 Anaphylactic reaction Diseases 0.000 description 2
- 208000003455 anaphylaxis Diseases 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000001356 surgical procedure Methods 0.000 description 2
- 206010046528 Urinary bladder haemorrhage Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 208000006750 hematuria Diseases 0.000 description 1
- 208000015181 infectious disease Diseases 0.000 description 1
- 230000002262 irrigation Effects 0.000 description 1
- 238000003973 irrigation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000002504 physiological saline solution Substances 0.000 description 1
- 238000010992 reflux Methods 0.000 description 1
- 238000002271 resection Methods 0.000 description 1
- 210000003708 urethra Anatomy 0.000 description 1
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- External Artificial Organs (AREA)
Abstract
The utility model discloses a leakage-proof three-cavity catheter, which belongs to the technical field of catheters and comprises a catheter body, a drainage cavity component, a perfusion cavity component and an air sac cavity component; the drainage cavity component comprises a drainage cavity pipeline and a drainage cavity port; the drainage cavity pipeline is positioned at the center of the pipe body, and the drainage cavity port is positioned at the tail end of the pipe body; the perfusion cavity component comprises a perfusion cavity pipeline and a perfusion cavity port, wherein the perfusion cavity pipeline is a pipeline parallel to the drainage cavity pipeline but separated from the drainage cavity pipeline; the filling cavity port is positioned at the tail end of the tube body; a leakage-proof valve is arranged at the joint of the drainage cavity pipeline and the perfusion cavity pipeline; the air bag cavity component comprises an air bag and an air bag pipeline, wherein the air bag is positioned near the front end of the pipe body and is arranged outside the pipe body; an automatic detection system for the air bag is arranged in the air bag. The utility model has compact structure, can solve the technical problems of urine drainage, flushing, stabilizing the position of the catheter, inflating the air bag and the like, improves the catheterization effect, increases the comfort of patients and reduces the risk of complications.
Description
Technical Field
The utility model belongs to the technical field of catheters, and particularly relates to a leakage-proof three-cavity catheter.
Background
The three-cavity catheter is a special catheter for urinary surgery, and compared with a common catheter, the three-cavity catheter is provided with a perfusion cavity at the tail end, and the cavity and the drainage cavity are commonly opened at the tip of the urethra. The three-cavity catheter is suitable for patients needing to be flushed in urinary surgery, especially patients needing to be flushed continuously, such as patients needing to be left with three-cavity catheters after prostatoplasia surgical resection, bladder hemorrhage, continuous hematuria and the like.
The pressure in the air sac cavity of the existing three-cavity catheter cannot be detected, and the bladder wall is damaged or uncomfortable due to over inflation; there is also a risk of urine reflux.
Disclosure of Invention
In order to solve the problems, the utility model discloses a leakage-proof three-cavity catheter which is simple in structure, and can not generate the condition that the tee joint is fixed loose due to too tight pulling force when a patient changes a body or moves, and can not cause pressure damage to the skin of the patient after long-time fixation.
In order to achieve the above purpose, the specific technical scheme of the application is as follows:
a leakage-proof three-cavity catheter comprises a catheter body, a drainage cavity component, a perfusion cavity component and an air sac cavity component;
the drainage cavity component comprises a drainage cavity pipeline and a drainage cavity port; the drainage cavity pipeline is positioned at the center of the pipe body, and the drainage cavity port is positioned at the tail end of the pipe body and is used for connecting a drainage bag or other devices for collecting urine;
The perfusion cavity component comprises a perfusion cavity pipeline and a perfusion cavity port, wherein the perfusion cavity pipeline is a pipeline parallel to the drainage cavity pipeline but separated from the drainage cavity pipeline and is used for injecting liquid into the bladder for flushing; the filling cavity port is positioned at the tail end of the tube body and is used for connecting a device for filling liquid, such as a syringe or a filling bag;
a leakage-proof valve is arranged at the joint of the drainage cavity pipeline and the perfusion cavity pipeline;
The balloon cavity component comprises a balloon and a balloon pipeline, the balloon is positioned near the front end of the tube body and is arranged outside the tube body and used for stabilizing the position of the catheter in the bladder, and the balloon pipeline is separated from the drainage cavity pipeline and the perfusion cavity pipeline and is used for adjusting the size of the balloon through inflation and deflation; an automatic detection system for the air bag is arranged in the air bag.
Based on the technical characteristics, the automatic detection system for the air bag comprises a pressure sensor, wherein the pressure sensor can monitor the inflation state of the air bag and stop inflation when the air bag reaches proper pressure, so that the damage or discomfort of the bladder wall caused by over inflation can be prevented, and the automatic detection system for the air bag is connected with the air bag cavity through a control unit so as to realize automatic inflation and deflation processes.
Based on the technical characteristics, preferably, the leakage-proof valve is detachably connected with the drainage cavity pipeline and the perfusion cavity pipeline.
Based on the technical characteristics, preferably, the leak-proof valve is a ball valve or a one-way diaphragm valve.
Based on the technical characteristics, the medical grade polymer with high biocompatibility is preferably adopted as the tube body material, so that the good compatibility of the catheter and human tissues is ensured, and the risk of anaphylactic reaction is reduced.
Based on the technical characteristics, the drainage cavity component and the perfusion cavity component preferably use marks with different colors, so that medical staff can conveniently and rapidly distinguish the functions of the components when in use.
Compared with the prior art, the application has the beneficial effects that:
1. The pressure sensor in the automatic detection system of the air bag can monitor the inflation state of the air bag, and automatically stops inflation when the air bag reaches proper pressure, so that the damage or discomfort of the bladder wall caused by over inflation is prevented;
2. The leak-proof valve at the joint of the drainage cavity pipeline and the perfusion cavity pipeline prevents the backflow of urine and is positioned at the joint of the drainage cavity pipeline and the perfusion cavity pipeline of the catheter. When the urinary catheter is inserted into the patient's bladder and used to drain urine, the leak-proof valve allows urine to flow from the bladder to the drainage lumen while preventing liquid in the drainage lumen from returning to the bladder;
3. the drainage cavity component and the perfusion cavity component use marks with different colors, so that medical staff can conveniently and rapidly distinguish the functions of the components when in use, and the use convenience and efficiency are improved;
4. Further improving the function and comfort of the catheter, reducing the risk of infection and complications and providing better catheterization experience for patients.
Drawings
FIG. 1 is a schematic illustration of a leak-proof three-lumen urinary catheter of the present utility model;
List of drawing identifiers:
1. A tube body; 2. a drainage lumen component; 201. a drainage lumen tube; 202. a drainage lumen port; 3. a perfusion chamber component; 301. pouring a cavity pipeline; 302. a perfusion lumen port; 4. an air bag chamber component; 401. an air bag; 402. an air bag pipe; 5. A leak-proof valve; 6. an automatic detection system for an air bag.
Detailed Description
The present invention is further illustrated in the following drawings and detailed description, which are to be understood as being merely illustrative of the invention and not limiting the scope of the invention.
It should be noted that the words "upper", "lower", "left", "right", "front" and "rear" used in the following description refer to directions in the drawings, and the words "inner" and "outer" refer to directions toward or away from, respectively, the geometric center of a particular component.
As shown in figure 1, the leak-proof three-cavity urinary catheter comprises a catheter body 1, a drainage cavity component 2, a perfusion cavity component 3 and a balloon cavity component 4. The drainage cavity component 2 comprises a drainage cavity pipeline 201 and a drainage cavity port 202; the drainage cavity pipeline 201 is located at the center of the tube body 1, and the drainage cavity port 202 is located at the tail end of the tube body 1 and is used for connecting a drainage bag or other urine collecting equipment.
The perfusion lumen component 3 includes a perfusion lumen tubing 301 and a perfusion lumen port 302, the perfusion lumen tubing 301 being a parallel but separate tubing to the drainage lumen tubing 201 for injecting a liquid, such as physiological saline or the like, into the bladder for irrigation. The pouring chamber port 302 is located at the end of the tube body 1 for connecting a device for pouring liquid, such as a syringe or a pouring bag.
The joint of the drainage cavity pipeline 201 and the perfusion cavity pipeline 301 is provided with a leakage-proof valve 5. Preferably, the leak-proof valve 5 is detachably connected with the drainage cavity pipeline 201 and the perfusion cavity pipeline 301; the leak-proof valve 5 may be a ball valve or a one-way diaphragm valve having a smaller valve size and a lower valve pressure drop, which helps to reduce the resistance to urine flow.
The balloon lumen component 4 comprises a balloon 401 and a balloon tube 402, the balloon 401 being located near the front end of the tube body 1, outside the tube body 1, for stabilizing the position of the catheter within the bladder. The balloon tube 402 is a tube separate from the drainage lumen tube and the perfusion lumen tube for adjusting the size of the balloon 401 by inflation and deflation; an automatic detection system 6 for the air bag is arranged in the air bag 401.
The automatic detection system 6 includes a pressure sensor, which is located in the balloon 401, and can monitor the inflation state of the balloon and stop the inflation when the balloon reaches a proper pressure, so that the damage or discomfort to the bladder wall caused by the over-inflation can be prevented, and the automatic detection system 6 is connected with the pressure sensor of the balloon cavity 401 through a control unit, so as to realize an automatic inflation and deflation process.
The material of the catheter body 1 adopts medical grade polymer with high biocompatibility, ensures good compatibility of the catheter and human tissues, and reduces the risk of anaphylactic reaction.
The drainage cavity component and the perfusion cavity component use marks with different colors, so that medical staff can quickly distinguish the functions of the components when in use.
In conclusion, the urine catheter has a compact structure, can solve the technical problems of urine drainage, flushing, stabilizing the position of the catheter, inflating an air bag and the like, improves the urine guiding effect, increases the comfort of a patient, and reduces the risk of complications.
It should be noted that the drawings merely illustrate the technical idea of the invention and the shape is not intended to limit the scope of the invention, and those skilled in the art can make several improvements and modifications without departing from the principles of the invention, which fall within the scope of the claims of the invention.
Claims (6)
1. A leak-proof three-cavity catheter, which is characterized in that: comprises a tube body, a drainage cavity component, a perfusion cavity component and an air sac cavity component;
The drainage cavity component comprises a drainage cavity pipeline and a drainage cavity port; the drainage cavity pipeline is positioned at the center of the pipe body, and the drainage cavity port is positioned at the tail end of the pipe body;
The perfusion cavity component comprises a perfusion cavity pipeline and a perfusion cavity port, wherein the perfusion cavity pipeline is a pipeline parallel to the drainage cavity pipeline but separated from the drainage cavity pipeline and is used for injecting liquid into the bladder for flushing; the pouring cavity port is positioned at the tail end of the pipe body and is used for being connected with equipment for pouring liquid;
a leakage-proof valve is arranged at the joint of the drainage cavity pipeline and the perfusion cavity pipeline;
The balloon cavity component comprises a balloon and a balloon pipeline, the balloon is positioned near the front end of the tube body and is arranged outside the tube body and used for stabilizing the position of the catheter in the bladder, and the balloon pipeline is separated from the drainage cavity pipeline and the perfusion cavity pipeline and is used for adjusting the size of the balloon through inflation and deflation; an automatic detection system for the air bag is arranged in the air bag.
2. The leak-proof three-lumen urinary catheter as claimed in claim 1, wherein: the automatic detection system for the air bag comprises a pressure sensor, and the pressure sensor can monitor the inflation state of the air bag.
3. The leak-proof three-lumen urinary catheter as claimed in claim 1, wherein: the leakage-proof valve is detachably connected with the drainage cavity pipeline and the perfusion cavity pipeline.
4. The leak-proof three-lumen urinary catheter as claimed in claim 1, wherein: the leakage-proof valve is a ball valve or a one-way diaphragm valve.
5. The leak-proof three-lumen urinary catheter as claimed in claim 1, wherein: the tube body material adopts medical grade polymer with high biocompatibility.
6. The leak-proof three-lumen urinary catheter as claimed in claim 1, wherein: the drainage lumen component and the perfusion lumen component use different color identifiers.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322134748.8U CN220877506U (en) | 2023-08-09 | 2023-08-09 | Leakage-proof three-cavity catheter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322134748.8U CN220877506U (en) | 2023-08-09 | 2023-08-09 | Leakage-proof three-cavity catheter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220877506U true CN220877506U (en) | 2024-05-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322134748.8U Active CN220877506U (en) | 2023-08-09 | 2023-08-09 | Leakage-proof three-cavity catheter |
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| Country | Link |
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| CN (1) | CN220877506U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN119770836A (en) * | 2025-01-22 | 2025-04-08 | 上海交通大学医学院附属瑞金医院 | A new type of bladder instillation device |
-
2023
- 2023-08-09 CN CN202322134748.8U patent/CN220877506U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN119770836A (en) * | 2025-01-22 | 2025-04-08 | 上海交通大学医学院附属瑞金医院 | A new type of bladder instillation device |
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