APEX Domus 4

Apex Medical Domus 4 User Manual

8" Low Air Loss Alternating Pressure Mattress with Quiet Digital Pump - Pressure Ulcer Prevention

1. Introduction

The Apex Medical Domus 4 is an advanced 8-inch low air loss alternating pressure mattress system designed for individuals at medium to high risk of pressure injuries. It features a quiet digital pump and multiple therapy modes to provide optimal pressure redistribution and patient comfort. This manual provides essential information for the proper installation, operation, maintenance, and troubleshooting of your Domus 4 system.

2. Safety Information

Please read all safety warnings and instructions carefully before using the Domus 4 system. Failure to do so may result in injury or damage to the product.

  • Always ensure the mattress is properly secured to the bed frame to prevent shifting.
  • Keep the pump unit away from water or excessive moisture.
  • Do not attempt to repair the pump or mattress yourself. Contact authorized service personnel for any repairs.
  • Ensure all connections are secure before operating the system.
  • In case of emergency, utilize the CPR tags to rapidly deflate the mattress.

3. Package Contents

Verify that all components are present in your package:

  • Domus 4 Alternating Pressure Mattress
  • Digital Pump Unit
  • Nylon/PU Cover (pre-installed)
  • Power Cord
  • User Manual

4. Setup

Follow these steps for proper installation of your Domus 4 system:

  1. Install the Mattress: Place the Domus 4 mattress on the bed frame. Ensure the mattress is centered and aligned with the bed.
  2. Secure the Mattress: Use the integrated fastening straps to secure the mattress to the bed frame. This prevents the mattress from sliding during use.
  3. Hang the Pump Unit: Hang the digital pump unit onto the bed-end panel. Adjust the hooks to ensure the pump is securely positioned.
  4. Connect the Quick Connector: Connect the quick connector hose from the mattress to the corresponding port on the pump unit. Ensure a firm and secure connection.
  5. Manage Power Cord: Pull any extra length of the power cord through the cable management loops on the mattress cover to keep it tidy and prevent tripping hazards.
  6. Connect to Power: Plug the power cord into a standard mains power socket.
  7. Turn On Power: Locate the power switch on the pump unit and turn it ON. The system will begin initial inflation.
Apex Medical Domus 4 mattress and pump on a hospital bed
Figure 4.1: The Apex Medical Domus 4 mattress system installed on a bed frame, showing the mattress and the digital pump unit.
Dimensions of the Domus 4 mattress and pump
Figure 4.2: Detailed dimensions of the Domus 4 mattress (78.7" L x 35.4" W x 8" H) and pump unit (11.4" L x 7.3" H x 5" D), providing a clear understanding of its size and fit.

Setup Video Guide

This video provides a comprehensive guide to the installation and initial operation of the Domus 4 system, demonstrating how to secure the mattress, connect the pump, and power on the unit.

5. Operating the Domus 4 System

The Domus 4 pump unit features an intuitive digital control panel. After initial inflation, the pump will automatically switch to Alternating Mode. To adjust settings, you may need to unlock the panel.

Domus 4 digital pump control panel
Figure 5.1: The digital control panel of the Domus 4 pump, showing indicators for weight settings, therapy modes, and alarm status.

5.1. Adjusting Air Pressure (Patient Weight)

Press the weight adjustment buttons (+/-) on the control panel to set the appropriate air pressure based on the patient's weight. Refer to the weight indicators on the panel for guidance (e.g., 40-250 kg / 85-550 lb).

5.2. Therapy Modes

The Domus 4 offers five therapy modes to suit various patient needs:

  • Alternating Mode: For relieving pressure exerted to the patient's body tissue periodically (10-minute cycle). This mode continuously redistributes pressure by inflating and deflating alternating air cells.
  • Static (CLP) Mode: The air cells are equally inflated with lower pressure constantly to increase the contact area and thus redistribute the pressure through a better immersion and envelopment. This provides a stable surface with continuous low pressure.
  • Alternating + Seat Inflate: For supporting the patient in an upright position without bottoming out while relieving the pressure exerted to patient's body tissue periodically (10-minute cycle). This mode combines alternating pressure with increased inflation in the sacral area.
  • Static + Seat Inflate: For supporting the patient in an upright position without bottoming out while the air cells are equally inflated with lower pressure constantly. This mode provides a stable surface with increased inflation in the sacral area.
  • Max Firm Mode: For caregiver to conduct nursing activities. This mode inflates all air cells to maximum firmness, providing a stable surface for patient care. It will return to the previous setting after 20 minutes.
Diagram illustrating the essentials of pressure injury preventative homecare
Figure 5.2: This diagram highlights the core benefits of the Domus 4 system: Intuitive User Experience, Improved Patient Outcome, Enhanced Patient Safety, and Ultimate Patient Comfort, all contributing to effective pressure injury prevention.
Diagram showing features for improved patient recovery and health outcome
Figure 5.3: Features designed to improve patient recovery and health outcome, including customizable pressure relief (alternating, CLP, seat inflation) and heel relief to reduce pressure injury risk.
Close-up of mattress showing low air loss feature
Figure 5.4: A close-up view of the mattress cells, illustrating the low air loss feature which helps prevent skin maceration by wicking away moisture and heat.
Diagram of cell-on-cell design to prevent bottoming out
Figure 5.5: An illustration demonstrating the alternative pressure redistribution system with a cell-on-cell design, which prevents the patient from bottoming out even in the event of a power failure.

6. Maintenance

Regular maintenance ensures the longevity and optimal performance of your Domus 4 system.

  • Cleaning: The Nylon/PU cover is water-resistant and vapor permeable. Clean the cover regularly with a mild disinfectant solution and a soft cloth. Do not use abrasive cleaners.
  • Inspection: Periodically inspect the mattress and pump for any signs of wear, damage, or loose connections.
  • Storage: If storing the system, ensure it is clean and dry. Store in a cool, dry place away from direct sunlight.
Zipper-all-around cover and water-resistant Nylon/PU cover
Figure 6.1: The mattress features a zipper-all-around cover for easy removal and cleaning, and is made from a water-resistant Nylon/PU material for durability and hygiene.

7. Troubleshooting

If you encounter any issues with your Domus 4 system, refer to the following troubleshooting guide:

ProblemIndicator/AlarmPossible CauseSolution
System MalfunctionService Alarm indicator is ON (wrench icon)Internal technical issue.Contact the place of purchase or authorized distributor for repair.
Mattress not inflating properly / Low pressureLow Pressure Alarm indicator is ON (yellow light)CPR tags pulled off, loose tubing connections, or internal leak.Check if CPR tags are pulled off. Check if connections along the tubing inside the mattress are secured. Ensure the quick connector to the pump is secure.
No power to pumpPower Failure Alarm indicator is ON (blue light)Power cord disconnected or power outage.Check if the plug is disconnected from the mains power socket. Verify power supply.

7.1. Emergency CPR Operation

In an emergency requiring rapid mattress deflation, pull the yellow CPR tags located on the side of the mattress. This will quickly release air from the mattress cells.

8. Specifications

FeatureDetail
Product Dimensions78.7 x 35.4 x 8 inches
Product Weight20.3 Pounds
Weight Capacity450 lbs
Pressure Range15-40 mmHg
Fabric TypeNylon/PU
Special FeaturesQuilted, Water Resistant, Low Air Loss, Cell-on-Cell Design
Pump Noise Level≤ 26dB(A)
ManufacturerApex Medical

9. Warranty and Support

The Apex Medical Domus 4 system comes with a 1-year guarantee on both the mattress and the pump unit. For technical support, repairs, or warranty claims, please contact the place of purchase or an authorized Apex Medical distributor. Do not attempt to service the unit yourself.

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