Auxiliary bonding device for double-cavity tubular medical instrument
By designing a dual-lumen tubular medical device auxiliary bonding device including an operating table and a cylinder solenoid valve, the complex problems of cavity blockage and detection during the bonding process are solved, and fast and accurate paving and airtight detection are achieved. Improve detection efficiency and credibility of results.
Patent Information
- Application Number
- CN202421060009.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-05-15
- Publication Date
- 2024-12-17
- Estimated Expiration
- 2034-05-15
AI Technical Summary
During the bonding process, double-lumen tubular medical devices are prone to cavity blockage and complex and inefficient airtight detection.
An auxiliary bonding device including an operating table, a pressed cylinder, a PLC controller, a test solenoid valve group, a cylinder solenoid valve, a pressure sensor and a flow sensor is designed to realize automated bonding and detection through the gas source and gas pipeline system. Prevent clogging and quickly assess patency and airtightness.
It improves the bonding effect, simplifies the detection process, improves the detection efficiency, ensures the accuracy and credibility of the detection results, is small in size, light in weight, and is easy to move.
Smart Images

Figure CN222188737U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of medical devices, and specifically relates to an auxiliary bonding device for double-lumen tubular medical devices. Background Art
[0002] Double-lumen tubular medical devices can penetrate deep into the wound surface and deliver different drugs to the wound surface according to different needs. They are used for irrigation, spraying of liquid or powder medicines. Usually, the double-lumen tube is bonded to the syringe adapter (such as a three-way connector) before use. When the double-lumen tube is bonded to the syringe adapter, glue will flow into the pipe, posing the risk of blockage and corrosion of the pipe. It is easy to make mistakes and cause product bonding failure. After bonding, it is necessary to test the patency and airtightness of the bonding. If manual testing is used, there are disadvantages of complex operation and low efficiency. Utility Model Content
[0003] In view of the deficiencies in the prior art, the utility model aims to provide a double-lumen tubular medical device auxiliary bonding device.
[0004] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a double-lumen tubular medical device auxiliary bonding device, comprising a body, an operating table arranged on the body, an operating panel arranged on the operating table, a pressing cylinder, a pressing ejector rod and a product seat, and a PLC controller arranged in the body, a test solenoid valve group, a cylinder solenoid valve, a power supply, an air source, a pressure sensor 1, a pressure sensor 2, a flow sensor 1 and a flow sensor 2;
[0005] The product seat is arranged on the operating table, the pressing cylinder is vertically installed on the operating table, and the piston end of the pressing cylinder is arranged toward the product seat, the pressing ejector rod is installed on the piston end of the pressing cylinder, the pressing ejector rod is matched with the product seat, and two matching ports are arranged on the product seat, and the product seat matches with two ports on the syringe adapter to be tested;
[0006] The operating table is provided with an intake pressure regulating valve, a test pressure regulating valve, a real-time regulating valve 1, a real-time regulating valve 2, a test pressure gauge, a real-time pressure gauge 1, a real-time pressure gauge 2, a flow valve 1, a flow valve 2, a flow meter 1 and a flow meter 2, and the operating panel is provided on the operating table;
[0007] The gas source is output in three channels, which respectively include
[0008] First, it is connected with the air intake pressure regulating valve, the test pressure regulating valve, the pressure sensor 1, the test solenoid valve group, the flow sensor 1 and one of the matching ports of the product seat in sequence through the air pipeline;
[0009] Second, connect the air intake pressure regulating valve, the test pressure regulating valve, the second pressure sensor, the test solenoid valve group, the second flow sensor and another matching port of the product seat in sequence through the air pipeline;
[0010] The third is to connect the air intake pressure regulating valve, the cylinder solenoid valve and the pressing cylinder in sequence through the air pipeline;
[0011] The gas pipeline located on the gas source passage 1 is also connected in sequence with a real-time pressure regulating valve 1, a real-time pressure gauge 1, a flow valve 1 and a flow gauge 1;
[0012] The gas pipeline located on the gas source passage 2 is also connected in sequence with a real-time pressure regulating valve 2, a real-time pressure gauge 2, a flow valve 2 and a flow gauge 2;
[0013] The operation panel, the test solenoid valve group, the cylinder solenoid valve, the pressure sensor 1, the pressure sensor 2, the process sensor 1 and the flow sensor 2 are respectively connected to the corresponding ports on the PLC controller;
[0014] The power supply is used to supply power to each power-consuming module.
[0015] In some of the embodiments, the operating table is also provided with an indicator light, a reset button, a power switch and an emergency stop switch, and the indicator light, the reset button, the power switch and the emergency stop switch are respectively connected to corresponding ports on the PLC controller.
[0016] In some of the embodiments, a test button is respectively provided on both sides of the product seat on the operating table, and the two test buttons are respectively connected to the PLC controller.
[0017] In some embodiments, the test solenoid valve group is a double-outlet linked solenoid valve, the air inlet end of the double-outlet linked solenoid valve is connected to the air outlet end of the test pressure regulating valve, and the two air outlets of the double-outlet linked solenoid valve are respectively connected to flow sensor 1 and flow sensor 2.
[0018] In some embodiments, the real-time pressure regulating valve 1, the real-time pressure gauge 1, the flow valve 1 and the flow gauge 1 are connected and arranged on one of the air outlets of the double-air outlet linkage solenoid valve;
[0019] The real-time pressure regulating valve 2, the real-time pressure gauge 2, the flow valve 2 and the flow gauge 2 are connected and arranged on the other air outlet of the double-air outlet linkage solenoid valve.
[0020] In some embodiments, the indicator lights include a qualified indicator light, a failed indicator light, and a warning light.
[0021] In some of the embodiments, a cooling fan is disposed inside the machine body.
[0022] Compared with the prior art, the utility model has the following beneficial effects: the auxiliary bonding device provided by the present application can improve the bonding effect, prevent the cavity from being blocked during the bonding process of the double-lumen tubular medical device, and can quickly detect the patency and airtightness after bonding. The device is small in size, light in weight, and easy to move. The staff can also make a clearer and simpler judgment on whether the double-lumen tubular medical device is qualified, effectively improving the detection efficiency, the test parameter determination method is simple and reliable, and the test results are fast and reliable.
[0023] Details of one or more embodiments of the present application are presented in the following drawings and descriptions to make other features, purposes and advantages of the present application more concise and easy to understand. The present application is fully described and understood through the embodiments of the present application. BRIEF DESCRIPTION OF THE DRAWINGS
[0024] Figure 1 This is a schematic diagram of module connection of the utility model;
[0025] Figure 2 It is a schematic diagram of the structure of the utility model;
[0026] Figure 3 This is a top view of the operating table of the utility model;
[0027] Figure 4 This is a schematic diagram of the matching between the product holder and the syringe adapter of the utility model.
[0028] In the figure: 1. Machine body; 2. Operation table; 3. Operation panel; 4. Pressing cylinder; 5. Pressing push rod; 6. Product seat; 7. PLC controller; 8. Test solenoid valve group; 9. Cylinder solenoid valve; 10. Air source; 11. Pressure sensor 1; 12. Pressure sensor 2; 13. Flow sensor 1; 14. Flow sensor 2; 15. Intake pressure regulating valve; 16. Test pressure regulating valve; 17. Real-time regulating valve 1; 18. Real-time regulating valve 2; 19. Test pressure gauge; 20. Real-time pressure gauge 1; 21. Real-time pressure gauge 2; 22. Flow valve 1; 23. Flow valve 2; 24. Flow meter 1; 25. Flow meter 2; 26. Reset button; 27. Power switch; 28. Emergency stop switch; 29. Test button; 30. Qualified indicator light; 31. Unqualified indicator light; 32. Alarm light; 33. Cooling fan; 34. Syringe adapter. DETAILED DESCRIPTION
[0029] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.
[0030] Embodiment 1
[0031] See also Figures 1 to 4 The utility model provides a technical solution: a double-lumen tubular medical device auxiliary bonding device, used for medical devices with bonding and anti-blocking requirements, mainly used for disposable protein glue laparoscope matching tubes and double-lumen tubes, and its structure includes a body 1, an operating table 2 arranged on the body 1, an operating panel 3 arranged on the operating table 2, a pressing cylinder 4, a pressing push rod 5 and a product seat 6, and a PLC controller 7 arranged in the body 1, a test solenoid valve group 8, a cylinder solenoid valve 9, a power supply, an air source 10, a pressure sensor 11, a pressure sensor 2 12, a flow sensor 1 13 and a flow sensor 2 14;
[0032] The product seat 6 is arranged on the operating table 2, the pressing cylinder 4 is vertically installed on the operating table 2, and the piston end of the pressing cylinder 4 is arranged toward the product seat 6, the pressing ejector rod 5 is installed on the piston end of the pressing cylinder 4, the pressing ejector rod 5 is matched with the product seat 6, and two matching ports are arranged on the product seat 6, and the product seat 6 matches with two ports on the syringe adapter to be tested;
[0033] The product seat 6 has two air outlets on the upper side, which correspond to the two cavity openings of the product to be tested, and the cylinder solenoid valve 9 controls the opening and closing of the airflow; the pressing cylinder 4 is responsible for pushing the pressing push rod 5 downward to cooperate with the product seat 6 to fix the product to be bonded after air intake, so that the port on the bonding product cooperates with the corresponding port in the product seat 6.
[0034] The operating table 2 is provided with an intake pressure regulating valve 15, a test pressure regulating valve 16, a real-time pressure regulating valve 1 17, a real-time pressure regulating valve 2 18, a test pressure gauge 19, a real-time pressure gauge 1 20, a real-time pressure gauge 2 21, a flow valve 1 22, a flow valve 2 23, a flow meter 1 24 and a flow meter 2 25, and the operating panel 3 is provided on the operating table 2;
[0035] The gas source 10 is output in three channels, which respectively include
[0036] First, it is connected with the air intake pressure regulating valve 15, the test pressure regulating valve 16, the test solenoid valve group 8, the pressure sensor 11, the flow sensor 13 and one of the matching ports of the product seat 6 in sequence through the air pipeline;
[0037] Second, the air pipeline is connected in sequence with the intake pressure regulating valve 15, the test pressure regulating valve 16, the test solenoid valve group 8, the pressure sensor 2 12, the flow sensor 2 14 and another matching port of the product seat 6;
[0038] The third is to connect the air intake pressure regulating valve 15, the cylinder solenoid valve 9 and the pressing cylinder 4 in sequence through the air pipeline;
[0039] The inlet pressure regulating valve 15 is responsible for adjusting the size of the gas source 10 when it is just connected to the device, and the test pressure regulating valve 16 is responsible for adjusting the strength of the gas source 10 during the test. The two are not adjusted very accurately, and a buffer area will be formed between the two valves to reduce the fluctuation of the gas source 10 and ensure that the gas source 10 is more stable;
[0040] In order to improve the stability of the parameters of the real-time gas source 10 on the two gas outlets of the test solenoid valve group 8,
[0041] The gas pipeline located on the passage 1 of the gas source 10 is also connected in sequence with a real-time pressure regulating valve 17, a real-time pressure gauge 20, a flow valve 22 and a flow gauge 24; the air flow and air pressure output by the pipeline are regulated by the real-time pressure regulating valve 17 and the flow valve 22;
[0042] The gas pipeline located on the second passage of the gas source 10 is also connected in sequence with a real-time pressure regulating valve 18, a real-time pressure gauge 21, a flow valve 23 and a flow gauge 25; the air flow and air pressure output by the pipeline are adjusted by the real-time pressure regulating valve 18 and the flow valve 23;
[0043] The operation panel 3, the test solenoid valve group 8, the cylinder solenoid valve 9, the pressure sensor 1 11, the pressure sensor 2 12, the process sensor 1 and the flow sensor 2 14 are respectively connected to the corresponding ports on the PLC controller 7;
[0044] The power supply is used to supply power to each power-consuming module.
[0045] The operating table 2 is also provided with an indicator light, a reset button 26, a power switch 27 and an emergency stop switch 28, and the indicator light, the reset button 26, the power switch 27 and the emergency stop switch 28 are respectively connected to corresponding ports on the PLC controller 7.
[0046] The power switch 27 is used to control the on and off of the power supply;
[0047] The emergency stop switch 28 is provided to enable emergency braking when an unexpected situation occurs during the use of the equipment;
[0048] By setting the reset button 26, the reset button 26 can be used to reset after troubleshooting;
[0049] By setting the indicator light, the user can intuitively perceive whether the test result is qualified or unqualified when testing the product to be tested.
[0050] The test pressure gauge 19 is connected to the test pressure regulating valve 16 to display its pressure. The real-time pressure gauge 1 20 and the real-time pressure gauge 2 21 respectively display the pressure flowing through the real-time pressure regulating valve 1 17 and the real-time pressure regulating valve 2 18. The flow meter 1 24 and the flow meter 2 25 respectively display the flow through the flow valve 1 22 and the flow valve 2 23. The alarm interval can be set. If the pressure and flow are lower or higher than the set value, the corresponding alarm light 32 will light up and the device will stop working.
[0051] The real-time pressure regulating valve 17, the real-time pressure regulating valve 2 18, the flow valve 1 22 and the flow valve 2 23 are responsible for accurately adjusting the air pressure and flow rate of the product to be bonded in real time.
[0052] The PLC controller 7 is a programmable logic controller that uses a programmable memory to store instructions for performing operations such as logical operations, sequential control, timing, counting and arithmetic operations. It controls various types of mechanical equipment or production processes through digital or analog input and output, and records test information for staff to obtain.
[0053] The pressure sensor 11 and the pressure sensor 2 12 are used to detect the pressure change, measure the air pressure change in the gas circuit in real time and convert it into an electrical signal, the flow sensor 1 13 and the flow sensor 2 14 are used to detect the gas flow change, measure the flow change in the gas circuit in real time and convert it into an electrical signal, and the corresponding electrical signal is transmitted to the PLC controller 7 for comparison and judgment with the preset data.
[0054] Embodiment 2
[0055] Based on the technical foundation of the first embodiment, in order to facilitate the syringe adapter to detect the two ports in turn or simultaneously, a test button 29 is provided on both sides of the product seat 6 on the operating table 2, and the two test buttons 29 are respectively connected to the PLC controller 7;
[0056] The test solenoid valve group 8 is a double-outlet linkage solenoid valve, the air inlet end of the double-outlet linkage solenoid valve is connected to the air outlet end of the test pressure regulating valve 16, and the two air outlets of the double-outlet linkage solenoid valve are respectively connected to flow sensor 1 13 and flow sensor 2 14.
[0057] The real-time pressure regulating valve 17, the real-time pressure gauge 20, the flow valve 22 and the flow gauge 24 are connected and arranged on one of the air outlets of the double-air outlet linkage solenoid valve;
[0058] The real-time pressure regulating valve 2 18 , the real-time pressure gauge 21 , the flow valve 23 and the flow gauge 25 are connected and arranged on the other air outlet of the double-air outlet linkage solenoid valve.
[0059] By adjusting the real-time pressure regulating valve 17, the real-time pressure regulating valve 2 18, the flow valve 1 22 and the flow valve 2 23 accordingly, the airflow output from the two air outlets of the test solenoid valve group 8 is a stable preset standard parameter airflow.
[0060] The indicator lights include a qualified indicator light 30, an unqualified indicator light 31 and an alarm light 32. When the product is determined to be qualified, the qualified indicator light 30 is on; when the product is determined to be unsuitable, the unqualified indicator light 31 and the alarm light 32 are on.
[0061] Embodiment 3
[0062] Based on the technical solution of embodiment one or two, in order to prevent the module from heating up and being damaged due to long-term operation of the equipment, a cooling fan 33 is arranged inside the body 1, and the fan is connected to the power supply to cool down the modules inside the body 1 when they work for a long time.
[0063] Embodiment 4
[0064] Based on the technical solution of embodiment 1, 2 or 3, the method of using the same includes placing the product to be tested, starting the test, and reading the test results; specifically including the following steps:
[0065] (1) Place the syringe adapter on the product holder 6, and then place the double-lumen tube with the glued end into the corresponding groove of the syringe adapter;
[0066] (2) Start the test button 29, which transmits a signal to the PLC controller 7. The PLC controller 7 first controls the cylinder solenoid valve 9 to open. After the gas source 10 passes through the inlet pressure regulating valve 15 and the cylinder solenoid valve 9, the gas is filled into the pressing cylinder 4. The piston end of the pressing cylinder 4 extends, so that the pressing push rod 5 presses down the syringe adapter. The syringe adapter is fixed to the product seat 6, and the two ports of the syringe adapter match the corresponding gas outlet ports in the product seat 6;
[0067] (3) After the pressing cylinder 4 works stably, the PLC controls the outlet port 1 of the test solenoid valve group 8 to open, and the gas source 10 fills the set pressure gas into the syringe adapter cavity through the inlet pressure regulating valve 15, the test pressure regulating valve 16, the pressure sensor 11, the outlet port 1 of the test solenoid valve group 8, the flow sensor 13 and the outlet port 1 of the product seat 6. The blocked glue will be blown away, and the flow sensor 13 starts to detect and display the flow through the air pipe at this time, and sends the signal to the PLC. The PLC reads the real-time flow, compares the received flow with the pre-set parameters, and judges the test result. Then the PLC controls the outlet port 1 of the test solenoid valve group 8 to close;
[0068] (4) As in step (3), the PLC controls the gas outlet 2 of the test solenoid valve group 8 to open, and judges the test result in accordance with the method consistent with step (3), and then the PLC controls the gas outlet 2 of the test solenoid valve group 8 and the cylinder solenoid valve 9 to close;
[0069] (5) According to the test results of steps (3) and (4), the PLC controls the corresponding indicator lights on the operation panel 3 and the operation table 2 to light up and display the final test results.
[0070] According to step (2), the test button 29 can be activated individually or simultaneously to control the corresponding gas outlets of the test solenoid valve group 8 to discharge gas individually or simultaneously.
[0071] According to the detection process of steps (3) and (4),
[0072] ① After the set process time, when the flow value collected by the flow sensor exceeds the specified range, it is judged as a violation, and it needs to be judged twice. If there is a violation result in the two judgments, it is judged as unqualified, and the unqualified indicator light 31 and the alarm light 32 are on;
[0073] ② After the set process time, when the flow value collected by the flow sensor is within the specified range, it is judged to be compliant. It needs to be judged twice. If both judgments are compliant, the product is judged to be qualified and the qualified indicator light 30 is on.
[0074] Through this technical solution, the auxiliary bonding device provided by the utility model can improve the bonding effect, prevent the cavity from being blocked during the bonding process of the double-lumen tubular medical device, and can quickly detect the patency and airtightness after bonding. The device is small in size, light in weight, and easy to move. The staff can also make a clearer and simpler judgment on whether the double-lumen tubular medical device is qualified, effectively improving the detection efficiency, the test parameter determination method is simple and reliable, and the test results are fast and reliable.
[0075] The above embodiments only express several implementation methods of the present application, and the descriptions thereof are relatively specific and detailed, but they cannot be understood as limiting the scope of the utility model patent. It should be pointed out that, for a person of ordinary skill in the art, several variations and improvements can be made without departing from the concept of the present application, and these all belong to the protection scope of the present application. Therefore, the protection scope of the patent of the present application shall be subject to the attached claims.
[0076] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.
Claims
1. A double-lumen tubular medical device auxiliary bonding device, characterized in that: It includes a machine body, an operating table arranged on the machine body, an operating panel arranged on the operating table, a pressing cylinder, a pressing ejector rod and a product seat, and a PLC controller arranged in the machine body, a test solenoid valve group, a cylinder solenoid valve, a power supply, an air source, a pressure sensor 1, a pressure sensor 2, a flow sensor 1 and a flow sensor 2; The product seat is arranged on the operating table, the pressing cylinder is vertically installed on the operating table, and the piston end of the pressing cylinder is arranged toward the product seat, the pressing ejector rod is installed on the piston end of the pressing cylinder, the pressing ejector rod is matched with the product seat, and two matching ports are arranged on the product seat, and the product seat matches with two ports on the syringe adapter to be tested; The operating table is provided with an intake pressure regulating valve, a test pressure regulating valve, a real-time regulating valve 1, a real-time regulating valve 2, a test pressure gauge, a real-time pressure gauge 1, a real-time pressure gauge 2, a flow valve 1, a flow valve 2, a flow meter 1 and a flow meter 2, and the operating panel is provided on the operating table; The gas source is output in three channels, which respectively include First, it is connected with the air intake pressure regulating valve, the test pressure regulating valve, the pressure sensor 1, the test solenoid valve group, the flow sensor 1 and one of the matching ports of the product seat in sequence through the air pipeline; Second, connect the air intake pressure regulating valve, the test pressure regulating valve, the second pressure sensor, the test solenoid valve group, the second flow sensor and the other matching port of the product seat in sequence through the air pipeline; The third is to connect the air intake pressure regulating valve, the cylinder solenoid valve and the pressing cylinder in sequence through the air pipeline; The gas pipeline located on the gas source passage 1 is also connected in sequence with a real-time pressure regulating valve 1, a real-time pressure gauge 1, a flow valve 1 and a flow gauge 1; The gas pipeline located on the gas source passage 2 is also connected in sequence with a real-time pressure regulating valve 2, a real-time pressure gauge 2, a flow valve 2 and a flow gauge 2; The operation panel, the test solenoid valve group, the cylinder solenoid valve, the pressure sensor 1, the pressure sensor 2, the process sensor 1 and the flow sensor 2 are respectively connected to the corresponding ports on the PLC controller; The power supply is used to supply power to each power-consuming module.
2. The double-lumen tubular medical device auxiliary bonding device according to claim 1, characterized in that: The operating table is also provided with an indicator light, a reset button, a power switch and an emergency stop switch, and the indicator light, the reset button, the power switch and the emergency stop switch are respectively connected to corresponding ports on the PLC controller.
3. The double-lumen tubular medical device auxiliary bonding device according to claim 1, characterized in that: A test button is respectively arranged on both sides of the product seat on the operating table, and the two test buttons are respectively connected to the PLC controller.
4. The double-lumen tubular medical device auxiliary bonding device according to claim 3, characterized in that: The test solenoid valve group is a double-outlet linkage solenoid valve, the air inlet end of the double-outlet linkage solenoid valve is connected to the air outlet end of the test pressure regulating valve, and the two air outlets of the double-outlet linkage solenoid valve are respectively connected to flow sensor 1 and flow sensor 2.
5. The double-lumen tubular medical device auxiliary bonding device according to claim 4, characterized in that: The real-time pressure regulating valve 1, the real-time pressure gauge 1, the flow valve 1 and the flow gauge 1 are connected and arranged on one of the air outlets of the double-air outlet linkage solenoid valve; The real-time pressure regulating valve 2, the real-time pressure gauge 2, the flow valve 2 and the flow gauge 2 are connected and arranged on the other air outlet of the double-air outlet linkage solenoid valve.
6. The double-lumen tubular medical device auxiliary bonding device according to claim 2, characterized in that: The indicator lights include a qualified indicator light, a failed indicator light and a warning light.
7. The double-lumen tubular medical device auxiliary bonding device according to claim 1, characterized in that: A cooling fan is arranged inside the machine body.
