Catheter Balloon Inflation Diameter Tester
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The catheter cuff inflated diameter tester is mainly used to measure the diameter of the cuffs of medical devices such as endotracheal tubes and tracheostomy tubes after inflation. This measurement is crucial for ensuring the safety and effectiveness of medical devices during use. By accurately measuring the inflated diameter of the cuff, it can help medical staff determine the appropriate amount of inflation. This aims to effectively seal the airway, prevent gas leakage and the aspiration of secretions into the airway, while also avoiding excessive pressure on the tracheal wall. In addition, this tester also helps to reduce complications such as tracheal mucosal injury, ischemia, and necrosis caused by excessive cuff pressure, improving the safety and effectiveness of endotracheal intubation.
Standards
ISO 5367：Medical devices — Connectors for breathing system tubes
YY 0337.1-2002:Endotracheal Intubation Part 1: Common Types of Endotracheal Tubes and Connectors
GB/T 15812.1-2005:Disposable sterile catheters — Part 1: General requirements
YY 0321.1-2009:Tracheostomy Tubes Part 1: Tracheostomy Tubes for Adults
YY/T 0321.2-2021:Tracheostomy Tubes Part 2: Tracheostomy Tubes for Pediatric Use
YY 0321.3-2009:Tracheostomy Tubes Part 3: Tracheostomy Tube Caps and Plugs
YY 0285.6:Disposable sterile intravascular catheters — Part 6: Central venous catheters
Features
Supports three test methods: balloon inflation diameter test, catheter collapse test, and balloon protrusion test.
• Embedded high-speed microcomputer chip control and a simple and efficient human-machine interface provide users with a comfortable and smooth operating experience.
• Equipped with a pressure test tank, capable of handling both gas and liquid, enabling various testing functions.
• Features a dedicated test interface, suitable for various Luer, barbed, and conical connectors.
• Equipped with branded pressure and flow control knobs for convenient operation.
• Overpressure safety protection and power-off memory ensure system stability during testing.
• Configured with a standard RS232 communication port for easy external connection and data transmission between the system and a computer.
• English and Chinese interfaces are freely switchable.
Technical Parameters
| Parameter | Specification |
|---|---|
| Testing Range | Usually covers a pressure range of 0 - 10 kPa (or 0 - 1.45 psi) to meet inflation requirements of different cuffs |
| Accuracy | High accuracy (e.g., 0.5%FS full-scale error) to ensure test result accuracy |
| Air Source Pressure | Generally does not exceed 0.7 MPa; air source needs to be provided by the user |
| Air Source Interface | Usually a Φ8 mm polyurethane tube, for easy connection to air source equipment |
| External Dimensions | Compact design for portability:- Main unit: ~300 mm(L)×410 mm(W)×150 mm(H)- Device: ~215 mm(L)×215 mm(W)×240 mm(H) |
| Weight | Moderate (about 25kg) for easy handling and operation |
| Testing Principle | Adopts positive-pressure testing principle: Inflates the cuff with air to stretch/unfold wrinkles (minimizing cuff wall tension), then measures the inflated diameter |
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