Single-cavity tube air leakage detection alarm device
By using a tee-way plug valve and pressure detection assembly in the single-lumen pipe air leakage detection alarm device, the problem of unsatisfactory sealing in multiple drainage and difficulty in timely detection of air leakage in single-lumen pipe is solved, achieving a more stable drainage process and safer patient care.
Patent Information
- Application Number
- CN202422242653.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-09-12
- Publication Date
- 2025-06-20
- Estimated Expiration
- 2034-09-12
AI Technical Summary
When using a single lumen tube for multiple drainage, the sealing is not ideal, and air leakage is prone to occur. It is difficult for traditional methods to detect and alarm in a timely manner, which increases the potential risk to patients.
A single-lumen pipe leak detection alarm device is designed, including a three-way plug valve and a pressure detection component. The sealing of the single-lumen pipe is achieved through the three-way plug valve, and real-time monitoring and alarm through the pressure detection component.
It effectively reduces the occurrence of air leakage, improves the stability of the drainage process, and promptly calls the alarm, reducing the harm to the patient.
Smart Images

Figure CN223005684U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the field of single - lumen tubes, and particularly to a leak - detection and alarm device for single - lumen tubes. Background Art
[0002] As a common medical catheter, a single - lumen tube usually has only one inner cavity. Due to its simple structure and convenient use, it has a very wide range of applications. Currently, when the commonly used SB single - lumen tube in clinical practice is used for multi - path drainage, multiple SB single - lumen tubes are often inserted into each other to meet the drainage requirements of two or more paths. Compared with the integrated structure of multi - lumen tubes, it is more convenient to use. When using the SB single - lumen tube for multi - path drainage, during the insertion and removal of the SB single - lumen tube on the corresponding drainage pipeline, due to its relatively poor sealing performance, air leakage is likely to occur. Moreover, during the drainage process, it is impossible to timely detect whether there is air leakage in the traditional clinical SB single - lumen tube structure. It is not convenient for inspection and further increases the potential risks to patients. Content of the Utility Model
[0003] The purpose of the utility model is to provide a leak - detection and alarm device for single - lumen tubes. This leak - detection and alarm device for single - lumen tubes can facilitate the insertion and removal of single - lumen tubes while ensuring good sealing inside the pipeline, and can also detect and alarm in real - time whether there is air leakage in the single - lumen tube.
[0004] The technical solution adopted by the utility model to solve the above problems is:
[0005] A leak - detection and alarm device for single - lumen tubes includes a drainage bottle main body and an adapted single - lumen tube connected thereto. The top of the drainage bottle is provided with a liquid inlet, a liquid outlet, and a pressure - detection component for internal pressure detection and alarm. One end of the single - lumen tube is adaptively connected to the liquid inlet and the other end is connected to a three - way stopcock.
[0006] Further: The pressure - detection component includes a pressure gauge. The main body of the pressure gauge is internally provided with a pressure sensor and externally connected with a pressure alarm, and is installed on the top of the drainage bottle through a detachable structure.
[0007] Further: The top of the drainage bottle is also provided with an exhaust port. The exhaust port is internally provided with a diaphragm and externally connected with an adapted pressing airbag. The pressing airbag is provided with an air outlet.
[0008] Further: The drainage bottle further includes a second drainage bottle. A second liquid inlet, a second liquid outlet, and a second air outlet are provided at the top of the second drainage bottle. The second drainage bottle is connected to the liquid inlet at the top of the drainage bottle through a second single-chamber tube connected at the second air outlet at the top. The single-chamber tube with a three-way stopcock valve connected at one end is installed on the second drainage bottle, and the other end thereof is connected to the second liquid inlet provided at the top of the second drainage bottle.
[0009] Further: The corresponding interfaces of the three-way stopcock valve are provided as screw ports and are connected with sterile infusion connectors. A suitable sterile syringe is connected to the sterile infusion connector.
[0010] Compared with the prior art, the present utility model has the following advantages and effects:
[0011] The present utility model is a single-chamber tube air leakage detection and alarm device. The setting of the three-way stopcock valve in this single-chamber tube air leakage detection and alarm device facilitates the insertion and removal of pipelines such as the corresponding single-chamber tube or drainage tube. At the same time, by rotating the valve body, the sealing performance inside the single-chamber tube and its drainage bottle can be ensured, effectively reducing the occurrence of air leakage and avoiding unnecessary impacts on the drainage process caused by situations such as drainage interruption. Meanwhile, in cooperation with the pressure detection component provided at the top of the drainage bottle, when the internal pressure of the drainage bottle changes due to abnormal situations such as air leakage or blockage of the single-chamber tube during the drainage process, an alarm can be given in a timely manner to prompt medical staff to make timely adjustments to the abnormal situations that occur, which can further improve the stability during use and effectively reduce further harm to patients. Description of the Drawings
[0012] Figure 1 is the overall structural schematic diagram of the single-chamber tube air leakage detection and alarm device according to the embodiment of the present utility model.
[0013] Figure 2 is the connection schematic diagram of the drainage bottle and the second drainage bottle according to the embodiment of the present utility model.
[0014] Figure 3 is the connection schematic diagram of the three-way stopcock valve, the sterile infusion connector, and the sterile syringe according to the embodiment of the present utility model.
[0015] Reference numerals in the drawings: drainage bottle 100, liquid inlet 101, liquid outlet 102, air outlet 103, single-chamber tube 110, second single-chamber tube 111, second drainage bottle 120, second liquid inlet 121, second liquid outlet 122, second air outlet 123, pressure detection component 1, pressure gauge 11, pressure alarm 12, three-way stopcock valve 2, interface 21, pressing airbag 3, air outlet 31, sterile infusion connector 4, sterile syringe 5. Detailed Embodiments
[0016] The present utility model will be further described in detail below in conjunction with the accompanying drawings and through embodiments. The following embodiments are explanations of the present utility model, and the present utility model is not limited to the following embodiments.
[0017] See Figure 1 , this embodiment relates to a leakage detection and alarm device for a single - lumen tube 110, including a drainage bottle 100 body and an adapted single - lumen tube 110 connected thereto. A liquid inlet 101, a liquid discharge port 102, and a pressure detection component 1 for internal pressure detection and alarm are provided at the top of the drainage bottle 100. One end of the single - lumen tube 110 is adaptively connected to the liquid inlet 101, and the other end is connected to a three - way stopcock valve 2.
[0018] Specifically, in this embodiment, the three - way stopcock valve 2 can be connected to the corresponding drainage tube according to the usage requirements. During the drainage process, the drainage liquid in the drainage tube flows through the single - lumen tube 110 and enters the drainage bottle 100 through the liquid inlet 101 at the top of the drainage bottle 100. At the same time, the pressure detection component 1 provided at the top of the drainage bottle 100 can monitor the internal negative pressure of the drainage bottle 100 in real - time, and can give an alarm in time for abnormal situations of the pressure value. The drainage liquid stored to a certain amount can be discharged through the liquid discharge port 102 provided at the top of the drainage bottle 100. At the same time, the liquid discharge port 102 can also exhaust air appropriately when the internal pressure of the drainage bottle 100 is too high. The setting of the three - way stopcock valve 2 in this single - lumen tube 110 leakage detection and alarm device facilitates the insertion and removal of pipelines such as the single - lumen tube 110 or the drainage tube, and can ensure the sealing of the single - lumen tube 110 and its internal drainage bottle 100 by rotating the valve body, effectively reducing the occurrence of air leakage and causing unnecessary impacts on the drainage process such as drainage interruption. At the same time, combined with the setting of the pressure detection component 1 at the top of the drainage bottle 100, it can give an alarm in time when the internal pressure of the drainage bottle 100 changes due to abnormal situations such as air leakage or blockage of the single - lumen tube 110 during the drainage process, prompting medical staff to make timely adjustments for the abnormal situations that occur, which can further improve the stability during use and effectively reduce further harm to patients.
[0019] The described pressure detection component 1 includes a pressure gauge 11. Inside the main body of the pressure gauge 11, a pressure sensor is provided, and externally, a pressure alarm 12 is connected. It is installed on the top of the drainage bottle 100 through a detachable structure. The pressure gauge 11 can detect the actual pressure inside the drainage bottle 100 through the internally provided pressure sensor. At the same time, the pressure alarm 12 can monitor in real time according to the pressure detected by the pressure sensor. When abnormal situations such as too high or too low pressure inside the drainage bottle 100 occur due to air leakage in the single-chamber tube 110, it can give an alarm in time. The structural setting of this kind of pressure detection component 1 has a certain measurement accuracy. At the same time, the integrated structure setting of the pressure gauge 11 also facilitates the installation and disassembly operations at the corresponding position on the top of the drainage bottle 100, improving the use adaptability and flexibility.
[0020] An exhaust port 103 is also provided at the top of the drainage bottle 100. Inside the exhaust port 103, a diaphragm is provided, and externally, a matching pressing airbag 3 is connected. An air outlet 31 is provided on the pressing airbag 3. Specifically, during the drainage process, according to the pressure inside the drainage bottle 100, by pressing the pressing airbag 3 connected to the exhaust port 103 at the top of the drainage bottle 100 and cooperating with the air outlet 31 provided thereon, the process of adjusting the pressure inside the drainage bottle 100 can be realized. It is convenient for adjustment and further ensures the negative pressure stability inside the drainage bottle 100, and improves the accuracy of controlling the pressure inside the drainage bottle 100. At the same time, the matching diaphragm provided inside the exhaust port 103 can further improve the stability of gas entering or leaving under the action of the pressing airbag 3, and can effectively reduce impurities from entering the drainage bottle 100 through the air outlet 31 on the pressing airbag 3 and causing unnecessary effects on the drainage fluid. At the same time, it can also further reduce the discharge and diffusion speed of the odor inside the drainage bottle 100. In addition, the matching setting of the pressing airbag 3 can also produce an appropriate deformation process according to the pressure inside the drainage bottle 100, thereby playing a certain buffering effect and further improving the stability during the use process.
[0021] See Figure 2, the drainage bottle 100 further includes a second drainage bottle 120. The top of the second drainage bottle 120 is provided with a second liquid inlet 121, a second liquid discharge port 122 and a second exhaust port 123. The second drainage bottle 120 is connected to the liquid inlet 101 at the top of the drainage bottle 100 through a second single-chamber tube 111 connected at the second exhaust port 123 at the top. The single-chamber tube 110 with one end connected to the three-way stopcock valve 2 is installed on the second drainage bottle 120, and the other end thereof is connected to the second liquid inlet 121 provided at the top of the second drainage bottle 120. Specifically, during the drainage process through the single-chamber tube 110 corresponding to the three-way stopcock valve 2, the drainage liquid flows through the second liquid inlet 121 at the top of the second drainage bottle 120 through the single-chamber tube 110 and enters the second drainage bottle 120. The drainage bottle 100 connected to the second drainage bottle 120 through the second single-chamber tube 111 can perform real-time pressure detection and alarm on the interiors of both the drainage bottle 100 and the second drainage bottle 120 under the action of the pressure detection assembly 1 at its top. At the same time, in response to abnormal internal pressure, the internal pressure is adjusted in a timely manner through the pressing airbag 3 at the top of the drainage bottle 100. The dual-drainage setting of the drainage bottle 100 in cooperation with the connected second drainage bottle 120 further expands the flow space and storage space of the drainage liquid, and also further increases the detection range of the pressure detection assembly 1, which can effectively extend the time of internal pressure accumulation caused by abnormal conditions, and at the same time further reduce the probability of deformation or even damage to the bottle body. In addition, this connection method can also reduce the phenomenon of drainage liquid backflow, improving the stability and safety during the drainage process.
[0022] See Figure 3 , the corresponding interface 21 of the three-way stopcock valve 2 is set as a screw port and connected with a sterile infusion adapter 4. The sterile infusion adapter 4 is connected with a matching sterile syringe 5. The interface 21 corresponding to the screw port on the three-way stopcock valve 2 facilitates the connection and disconnection of the sterile infusion adapter 4 and the corresponding single-chamber tube 110, ensuring a certain tightness of the single-chamber tube 110 while further reducing the degree of deformation of the tube body. In addition, when pulling out the tube, the connected sterile infusion adapter 4 in cooperation with the sterile syringe 5 connected thereto can meet different usage requirements, and can realize the peritoneal lavage process of the single-chamber tube 110, ensuring the usage effect and stability of the single-chamber tube 110, and at the same time further reducing the unnecessary influence on the drainage effect caused by foreign matters remaining inside the tube body of the single-chamber tube 110.
[0023] The above content described in this specification is only an example of the present invention. Those skilled in the technical field to which the present invention belongs can make various modifications or supplements to the described specific embodiments or use similar methods for substitution, as long as they do not deviate from the content of this specification of the present invention or exceed the scope defined by this claim book, they should fall within the protection scope of the present invention.
Claims
1. A single-lumen tube leakage detection and alarm device, characterized in that: It includes a drainage bottle body and an adaptable single-lumen tube connected thereto. The top of the drainage bottle is provided with a liquid inlet, a liquid outlet and a pressure detection component for internal pressure detection and alarm. One end of the single-lumen tube is adaptably connected to the liquid inlet and the other end is connected to a three-way stopcock.
2. The single-lumen tube air leakage detection and alarm device according to claim 1, characterized in that: The pressure detection assembly comprises a pressure gauge, a pressure sensor is arranged inside the main body of the pressure gauge and a pressure alarm is connected to the outside, and the pressure gauge is installed on the top of the drainage bottle through a detachable structure.
3. The single-lumen tube air leakage detection and alarm device according to claim 1, characterized in that: The top of the drainage bottle is also provided with an exhaust port, a diaphragm is provided inside the exhaust port and an adapted pressing airbag is connected to the outside, and an air outlet is provided on the pressing airbag.
4. The single-lumen tube air leakage detection and alarm device according to claim 1, characterized in that: The drainage bottle also includes a second drainage bottle, and the top of the second drainage bottle is provided with a second liquid inlet, a second liquid discharge port and a second exhaust port. The second drainage bottle is connected to the liquid inlet on the top of the drainage bottle through a second single-lumen tube connected to the second exhaust port on the top. The single-lumen tube with a three-way stopcock connected to one end is installed on the second drainage bottle, and the other end is connected to the second liquid inlet provided on the top of the second drainage bottle.
5. The single-lumen tube air leakage detection and alarm device according to claim 1, characterized in that: The corresponding interface of the three-way stopcock is configured as a spiral port and is connected to a sterile infusion connector, and a matching sterile syringe is connected to the sterile infusion connector.