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User Guide
CPAP/Auto CPAP/BIPAP ST25 /
ST30
User Guide

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Summarization of Contents

Product Overview
Indications for Use
Describes the intended medical use of the CPAP/BIPAP devices.
Adverse Effects
Lists potential side effects users may experience during therapy.
Critical Safety Alerts
Highlights essential safety instructions and precautions for device usage.
Contraindications and Packing
Therapy Contraindications
Lists medical conditions that may contraindicate therapy.
Device Packing List
Lists the components provided with the device package.
Rebreathing Warning
Crucial warning about rebreathing and asphyxiation.
About the Device
Device Identification
Identifies the main components and ports of the device.
Control Panel Functions
Explains the operation of the device's control buttons.
On-Screen Indicators
Describes common icons displayed on the device's screen.
Device Setup and Connection
Initial Setup Steps
Provides a step-by-step guide for connecting and preparing the device.
Water Tank Filling
Details how to fill the water tank correctly and safely.
Physician's Role in Setup
Outlines the physician's responsibility in ensuring compatibility and settings.
Therapy Initiation and Conclusion
Initiating Therapy
Explains how to start a therapy session using the device.
Concluding Therapy
Details the procedure for safely stopping a therapy session.
Interpreting Sleep Report Data
Explains the meaning of compliance metrics in the therapy report.
Therapy Monitoring and Customization
Viewing Sleep Data
Describes how to access and interpret sleep reports and waveforms.
Personalizing Device Settings
Explains how to access and adjust user-specific device options.
Ramp Time Functionality
Details the function and purpose of the ramp time setting.
Adjusting Therapy Comfort Settings
Adjusting Ramp Time
Instructions for setting the ramp time duration for comfort.
Humidity Level Adjustment
Guide on setting the humidifier level for optimal comfort.
Therapy Modes and Pressure Control
Understanding Therapy Modes
Lists the different therapy modes supported by the device.
Unlocking Mode Parameters
Explains how to unlock and access advanced mode parameters.
Adjusting CPAP Working Pressure
Details the process for setting the working pressure in CPAP mode.
Advanced Pressure Adjustments
Adjusting Auto CPAP Pressure
Guide for setting Max and Min pressures in Auto CPAP mode.
Adjusting IPAP in S/T/ST Modes
Instructions for setting IPAP in S, T, and ST modes.
BIPAP Mode Parameter Settings
Adjusting EPAP in S/T/ST Modes
Details on setting EPAP pressure in S, T, and ST modes.
Backup Rate Configuration
Instructions for adjusting the backup rate in T and ST modes.
Therapy Rate and Ratio Adjustments
I/E Rate Configuration
Guide for setting the inspiratory/expiratory ratio in T & ST modes.
Trigger and Expiratory Level Settings
Inspirate Trigger Sensitivity
How to adjust the sensitivity of the inspiratory trigger.
Expirate Level Sensitivity
How to adjust the sensitivity of the expiratory level.
Sensitivity Settings Explained
Inspirate Sensitivity Configuration
How to adjust the sensitivity of the inspiratory trigger.
APCV Mode and Tidal Volume Control
APCV Mode Parameters
Overview of adjustable parameters in APCV mode.
Inspirate Duration Adjustment
How to adjust inspirate duration in APCV mode.
Tidal Volume Switch Function
Explains the purpose of the TV.V. switch.
Tidal Volume and IPAP Adjustments
Adjusting Tidal Volume (TV.V.)
How to set the target tidal volume.
Setting Maximum IPAP
How to set the maximum IPAP value.
Setting Minimum IPAP
How to set the minimum IPAP value.
Device Automation and Time Settings
Auto ON Feature
How the device automatically starts after wearing the mask.
Auto OFF Feature
How the device automatically stops after removing the mask.
Time and Date Configuration
How to configure the device's time and date.
Pressure Relief and Device Maintenance
Expiratory Pressure Relief (EPR)
Explains the EPR function and its settings.
Device Disassembly Procedure
Step-by-step guide for taking apart the device for cleaning.
Device Cleaning and Inspection
Cleaning Water Tank and Tubing
Detailed instructions for washing the water tank and tubing.
Component Inspection Guide
Guidance on regularly checking the water tank and air filter for damage.
Filter Replacement and Reassembly
Replacing the Air Filter
Step-by-step guide for replacing the device's air filter.
Device Reassembly Instructions
Instructions for putting the device back together after cleaning.
Therapy Data Management
Explains how therapy data is recorded and managed via SD card.
Data Management and Travel Guidelines
SD Card Removal Procedure
Procedure for safely removing the SD card from the device.
Travel Precautions
Guidelines for using the device while traveling.
Airplane Travel Safety
Specific warning about using the device on airplanes.
Troubleshooting Common Problems
Mask and Pressure Issues
Solutions for problems related to mask fit and air pressure.
Water Tank and Dryness Issues
Troubleshooting for water tank leaks and dry nose issues.
Power and Device Operation Issues
Solutions for power connection problems and device cooling.
Advanced Troubleshooting Steps
Leak and Blockage Solutions
Addresses issues like high leaks, blocked tubing, and air filter problems.
SD Card and Error Handling
Solutions for SD card errors and other general error messages.
Water in Tubing and Dry Mouth
Troubleshooting for water in tubing and mouth dryness.
Component Reassembly and Safety
Water Tank Reassembly
Instructions for correctly reassembling the water tank.
General Safety Guidelines
Crucial safety guidelines for device operation and handling.
Device Usage Precautions and Safety
Product Handling and Water Safety
Covers warnings about modifications, water, and cleaning.
Accessory and System Setup
Emphasizes using correct accessories and proper system setup.
Humidifier Placement and Cooling
Specific advice on humidifier placement and water tank cooling.
Technical Specifications Overview
Power and Environmental Specs
Details power specs and operating environmental parameters.
Electromagnetic Compatibility (EMC)
Information regarding EMC compliance.
Detailed Technical Parameters
Sensors and Safety Limits
Covers sensor types, max pressure, and sound levels.
Physical Dimensions and Capacity
Details device size, weight, and water tank capacity.
Operating Parameters and Device Design
Pressure and Air Filter Specifications
Lists operating pressure ranges and air filter material.
Device Lifespan and Usage Notes
Information on design life and important usage notes.
Pneumatic Flow Path Diagram
Illustrates the airflow path through the device.
Performance Metrics and Disposal
Pressure Display and Accuracy
Details on how pressure values are displayed and their accuracy.
Environmental Disposal Guidance
Guidance on proper disposal of the device.
Understanding Product Symbols
Safety and Product Symbols
Explains common symbols found on the device and packaging.
Limited Warranty Details
Warranty Coverage and Period
Details the warranty duration and what is covered.
Warranty Exclusions and Limitations
Outlines what is not covered by the warranty.
Electromagnetic Compatibility (EMC)
Immunity Test Guidance (ESD/Transient)
Details on immunity tests and compliance levels for ESD and electrical fast transient.
Electromagnetic Emissions and Immunity
Emissions Test Compliance
Information on RF emissions and harmonic emissions compliance.
Surge and Voltage Variation Immunity
Guidance on immunity to surges and voltage variations.
Electromagnetic Immunity Details
Voltage Dips and Variations Immunity
Specifics on immunity to voltage dips and variations.
Power Frequency Magnetic Field Immunity
Guidance for power frequency magnetic fields.
Power Frequency Magnetic Field Immunity
Magnetic Field Guidance
Detailed guidance for power frequency magnetic fields.
RF Interference Immunity
Conducted RF Immunity Levels
Guidance for conducted RF interference.
Radiated RF Immunity Levels
Guidance for radiated RF interference.
RF Equipment Separation Distances
Calculating Separation Distances
Explains how to calculate separation distances for RF equipment.
Maximum Flow Rates (CPAP)
CPAP Flow Rate Table
Table showing maximum flow rates at different pressures for CPAP.
Maximum Flow Rates (BIPAP)
BIPAP Flow Rate Table
Table showing maximum flow rates at different pressures for BIPAP.
Manufacturer and Representative Info
Manufacturer Contact Details
Contact information for Hunan VentMed Medical Technology Co., Ltd.
Authorized Representative Contact
Contact information for the EU representative.

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