Catheter Leakage and Compliance Tester
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The Catheter Leakage and Compliance Tester is a professional testing device used to evaluate the expansion capacity (compliance) and leak resistance of medical tubing (such as infusion lines, vascular catheters, and respiratory tubing) under varying pressure conditions.
Applications
The catheter leakage and compliance tester is mainly used to detect the leakage and compliance of medical catheters (such as the breathing circuits of ventilators and anesthesia machines). Specifically, it can: Leakage Test: By applying a certain pressure inside the catheter and monitoring the rate or extent of pressure drop, it determines whether there is leakage in the catheter. This is crucial for ensuring the sealing and safety of the catheter during medical procedures. Compliance Test: Compliance refers to the ability of the catheter to deform when subjected to external forces. The tester applies a certain pressure inside the catheter and measures the volume change of the catheter to evaluate its compliance. This is of great significance for understanding the flexibility and elasticity of the catheter, as well as its applicability in medical applications.
Standards
ISO 13988-1:2017: Intravascular catheters - Part 1
ISO 8536-4:2016: Medical infusion equipment
YY/T 0285.4-2017: Intravascular catheters - Part 4
YY/T 1551.1-2017: Non-intravascular catheters
Features
Color LCD large screen display: Real-time display of test data and statistical values, intuitive and clear.
Intelligent touch control operation: Simple human-machine interface for quick experiment switching.
High-precision electronic flow meter: Achieves precise flow control, avoiding testing errors.
Top-tier sensor system: High-sensitivity data acquisition ensures stable and consistent test results.
Data security management: Four-level access control and encrypted storage prevent unauthorized operations and ensure the integrity and traceability of results.
Convenient result output: Equipped with a micro printer, supporting instant printing of single test results and statistical data.
Technical Parameters
| Parameter | Specification |
|---|---|
| Pressure Range | Determined by test object & application scenarios:- e.g., 0 - 300kPa for medical breathing circuits- Narrower range (e.g., 0 - 50kPa) for routine compliance testing |
| Pressure Accuracy | Key for test accuracy; generally requires ±0.1% or higher (e.g., 0 - 50kPa pressure sensor can reach one-thousandth accuracy) |
| Flow Range | Covers various flow situations of tested catheters; common flowmeter range: 0 - 100L/min |
| Flow Accuracy | Important indicator; generally requires ±1% or higher (e.g., ±1%FS for 2L/min mass flow controller) |
| Volume Measurement Range and Accuracy | - Range: From a few milliliters to several liters (adapts to different catheter volumes)- Accuracy: Generally needs to reach ±0.1ml or higher (to accurately calculate catheter compliance) |
| Test Time Range | - Leakage tests: Flexible setting (a few seconds to several hours)- Compliance tests: Controls pressure change rate & time interval to capture catheter volume changes at different pressure stages |
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