Catheter Power Injection Flow and Pressure Tester
Applications
The catheter flow and pressure tester for power injection is an important medical device, mainly used to detect key parameters such as flow and pressure of medical catheters (especially micro - catheters) during power injection. These parameters are crucial for evaluating the safety, reliability, and therapeutic effects of catheters. The tester can simulate clinical usage scenarios, conduct pressure resistance tests and flow measurements on catheters, ensuring that catheters will not rupture or leak under high - pressure injection, while maintaining the stability and accuracy of the flow.
Standards
YY 0285.1 - 2017 Disposable Sterile Intravascular Catheters, etc.
Features
1. High-Precision Measurement: The tester employs high-precision pressure and flow sensors to accurately measure flow and pressure data during dynamic injection, ensuring reliable test results.
2. Real-Time Monitoring and Feedback: The tester features real-time monitoring capabilities, enabling timely detection of problems during injection, such as leaks or blockages, and providing corresponding feedback. This helps doctors or operators take timely measures to ensure patient safety.
3. Automated Operation: The tester utilizes an automated control system, simplifying the testing process, reducing human error, and improving testing efficiency and accuracy.
4. Flexibility and Adaptability: The tester is suitable for different sizes and types of intravascular catheters, meeting the needs of various dynamic injection scenarios. Furthermore, it can be customized to meet specific testing requirements.
Technical Parameters
| Technical Parameter | Specification |
|---|---|
| Test Pressure | Generally adjustable within 0 - 10MPa, with an error not exceeding ±2%. Some devices may have a smaller pressure range, such as 0 - 28MPa. |
| Test Flow | Generally 0 - 500ml, with an error not exceeding ±2% |
| Water Bath Temperature | Usually 37°C, with an error not exceeding ±1°C |
| Data Storage | It can store multiple groups of test data, such as 200 groups or 500 groups, etc. |
| Accuracy | High - precision sensors and data acquisition systems ensure the accuracy of test results |
Accessoriess
Main unit, printer, temperature control device, balance
Test Procedures
1. Operating Procedure
Sample Preparation: Select a clean, undamaged catheter and connect it to the testing instrument interface.
Parameter Setting: Input parameters such as pressure, flow rate, and temperature according to testing requirements. For example, when testing a central venous catheter, set the pressure to 5 MPa, the flow rate to 300 ml/min, and the temperature to 37°C.
Test Start: Start the test via the touchscreen. The device automatically simulates the injection process and records data.
Result Analysis: Generates a flow-pressure curve to determine if the catheter performance meets the standards. For example, if the curve fluctuation exceeds the set range, retesting or adjustment of the catheter design is required.
2. Maintenance Points
Regular Calibration: Calibrate the pressure and flow sensors every 6 months to ensure testing accuracy.
Cleaning and Maintenance: Keep the testing instrument's water tank and tubing clean to avoid residual liquid affecting test results.
Lubrication of Transmission Devices: Regularly lubricate the pump and valves to reduce wear and extend equipment life.
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