Usage: Wellell Domus 1 Alternating Bubble System User Manual
Content
Wellell Domus 1 Alternating Bubble System

Introduction
The Wellell Domus 1 Alternating Bubble System is a specialized alternating pressure mattress overlay designed to prevent and treat early-stage pressure ulcers (bedsores). Its lightweight, compact design makes it an ideal solution for patients at low to moderate risk of pressure injury, particularly those who are bedridden or have limited mobility. The system works by alternating air pressure within its bubble cells to redistribute pressure evenly across the body, reducing the risk of tissue damage.
Key benefits of the Domus 1 system include easy setup over existing mattresses, quiet operation, and portability, making it well-suited for home care, long-term care, and transitional care settings. Its medical-grade materials ensure hygiene and durability, while the adjustable pressure pump allows caregivers to tailor comfort and therapeutic effect. With an estimated price range of around $90 to $220, depending on the retailer and package, the Domus 1 offers an affordable yet effective pressure relief solution that competes well with heavier, bulkier alternatives.
This system targets caregivers and healthcare professionals managing patients with early pressure injuries, as well as family members seeking reliable, user-friendly pressure care at home. It is especially useful for individuals with body weights up to 220 pounds and those needing a compact, easy-to-handle mattress overlay that does not require relocating the patient during therapy.
Technical Specification

IMPORTANT SAFEGUARDS
READ ALL INSTRUCTIONS BEFORE USING
DANGER - To reduce the risk of electrocution:
- Always unplug this product immediately after using.
- Do not use while bathing.
- Do not place or store this product where it can fall or be pulled into a tub or sink.
- Do not place in or drop into water or other liquids.
- Do not reach for a product that has fallen into water. Unplug immediately.
WARNING - To reduce the risk of burns, electrocution, fire, or injury to persons:
- Evaluate patients for entrapment risk according to protocol and monitor patients appropriately.
- This system is not for use with patients who have a spinal cord injury.
- Close supervision is necessary when this product is used on or near children. Electrical burns or a choking accident may result from a child swallowing a small part detached from the device.
- Use this product only for its intended use as described in this manual. Do not use other mattress not recommended by the manufacturer.
- Never operate this product if it has a damaged cord or plug, if it is not working properly, if it has been dropped or damaged, or dropped into water. Return the product to your supplier or Wellell Inc. for examination and repair.
- Keep the cord away from heated surfaces.
- Never block any air openings of this product or place it on soft surfaces, such as a bed or couch, where openings may be blocked. Keep the air opening free of lint, hair, and other similar particles.
- Never drop or insert any object into any opening or hose.
- Do not modify this equipment without authorization from the manufacturer.
- Do not directly contact the mattress without the top cover. Wellell Inc. provides optional covers that have passed skin sensitization and skin irritation tests. However, if you suspect that you may have had or are having an allergic reaction, please consult a physician immediately.
- Do not leave long lengths of tubing around the top of your bed. It could lead to strangulation..
Intended Use
This product is intended:
- To help and reduce the incidence of pressure ulcers while optimizing patient comfort.
- For long-term home care of patients suffering from pressure ulcers.
- For pain management as prescribed by a physician.
The product can only be operated by personnel who are qualified to perform general nursing procedures and have received adequate training in the knowledge of prevention and treatment of pressure ulcers.
Product Description
Pump Unit

Front panel
Pressure Adjust Knob
The pressure adjust knob controls the air pressure output. Please consult the physician for a suitable setting.
Main Power Switch
To turn the pump unit on/off.

Installation
Unpack the box and check the package contents for completeness. If there are any damages, please immediately contact your supplier or Wellell Inc.
Pump & Mattress Installation
- Place the bubble pad or mattress on top of the bed frame. Secure the mattress firmly by fixing the straps to the bed frame if available.
NOTE: Please cover the mattress with a cotton sheet if using a bubble pad to enhance comfort
NOTE: Please cover the mattress with a top cover to avoid direct skin contact with the mattress. Consumers may contact Wellell Inc. for optional mattress covers that have passed skin sensitization and skin irritation tests. - Hang the pump onto the footboard and adjust hangers so the pump is secured in an upright position; or place the pump on a flat surface.
- Connect the air hose connectors from the air mattress to the pump unit.
NOTE: Check and ensure the air hoses are not kinked or tucked under the mattress. - Plug the power cord into an electrical outlet

Maintenance
- Check the main power cord and do not plug it in if there is an abrasion or excessive wear r.the Check
- the heck mattress cover for signs of wear or damage. Ensure mattress cover and tubes are stubbed together correctly.
- Check the airflow from the air hose. The airflow should alternate between each connector every half-cycle time.
- Check the air hoses if there iskinksk or breaks. For replacement, please contact Wellell Inc. or your suppliers.
Troubleshooting the Wellell Domus 1 Alternating Bubble System
- Common Issues: Pump not inflating mattress, mattress losing pressure, unusual noise from pump
- Solutions: Ensure the power cord is fully connected and the outlet is functional; check tubing connections for air leaks or kinks; verify that the air pump filter is clean; reset the pump by unplugging and plugging back in
- Error Codes: The system typically indicates malfunctions via pump sound irregularities or failure to cycle. Consult the user manual for specific LED or beep codes if available.
- Preventive Measures: Regularly inspect tubing and mattress for tears; keep pump filter clean; avoid placing heavy objects on mattress overlay; store folded mattress properly when not in use
- Warranty & Support: Comes with a 1- to 2-year manufacturer warranty,, depending on retailer; customer support is accessible via vendor websites and authorized distributors
- Contact: For assistance, reach out to the purchasing vendor or Wellell customer service through their official contact channels

Warranty
The Company warrants the pump at the time of its original purchase and for the subsequent of period of one year.
The company warrants the bubble pad at the time of its original purchase and for the subsequent of period of six months.
The warranty does not cover the following:
- The series number label of the pump or pads is turned off or cannot be recognized.
- Damage to the pump or bubble pad resulting from misconnections with other devices.
- Damage to the device resulting from accidents.
Pros & Cons of the Wellell Domus 1 Alternating Bubble System
Pros
- Lightweight and compact design facilitates easy setup and transport
- Effective 2.5-inch alternating bubble cells provide good pressure redistribution for low-risk ulcer prevention
- Quiet, adjustable pump enhances patient comfort during use
- Affordable price range compared to bulkier pressure relief mattresses
- Medical-grade materials ensure durability and hygiene
- Extension flaps prevent slipping on existing mattresses, improving safety
Cons
- Supports a maximum patient weight of up to 220 lbs, less suitable for heavier individuals
- Mattress thickness (2.5") may be insufficient for severe pressure ulcer cases requiring deeper support..
- Not intended for long-term or very high-risk pressure injury management compared to more advanced systems.
- Some users report initial setup confusion without thorough instructions
The Domus 1 offers excellent value for money as an entry-level pressure relief system, particularly for home care and transitional use. Compared to alternatives like gel overlays or thicker foam mattresses, it provides active pressure redistribution, which is often superior for early pressure injury prevention.
Customer Reviews of the Wellell Domus 1 Alternating Bubble System
Users frequently praise the well-designed Domus 1 Alternating Bubble System for its quiet pump operation and effective pressure relief, noting significant improvement in comfort and ulcer healing. Ratings commonly hover around 4 to 5 stars, with testimonials highlighting ease of use and portability. For example, one user reported, "The pad undulates perfectly with a quiet motor and helped my relative heal bed sores."
Common complaints include limited mattress thickness and weight capacity, as well as occasional minor leaks or setup difficulties. Despite this, many recommend the product for those needing an affordable, lightweight alternating pressure overlay, especially for short-term use or hohome careransitions.
Overall, the Domus 1 is highly recommended for patients at low to moderate risk for pressure ulcers, with caregivers appreciating the balance of effectiveness, convenience, and cost.
Faqs
How do I properly set up the wellell Domus 1 Alternating Bubble System for home care use?
What should I do if the wellell Domus 1 Alternating Bubble System pump is making unusual noises or not cycling correctly?
Can the wellell Domus 1 Alternating Bubble System be used on any type of bed mattress?
What are the key features of the wellell Domus 1 Alternating Bubble System that help prevent pressure ulcers?
How often should the wellell Domus 1 Alternating Bubble System be cleaned and maintained?
Is the wellell Domus 1 Alternating Bubble System suitable for patients weighing over 220 lbs?
Why is the alternating pressure mode important in the wellell Domus 1 Alternating Bubble System?
How can I optimize the performance of the wellell Domus 1 Alternating Bubble System for better patient comfort?
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