Pressure Relief Seat Cushion – Apex Wellell Sedens 500 (12-Hour Battery)
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Business Hours: 9 AM - 6 PM CST
Phone: (833)-499-4450
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Secure Checkout
Secure online checkout. We do not store customer payment data.
Contact Us
Business Hours: 9 AM - 6 PM CST
Phone: (833)-499-4450
Email: support@MedShopDirect.com
The Sedens 500 Dynamic Seat Cushion delivers hospital-level pressure ulcer prevention with revolutionary alternating pressure technology and 12-hour lithium-ion battery power. Engineered to the 2019 clinical guidelines, this lightweight pressure redistribution system prevents pressure sores while providing exceptional postural stability for wheelchair users, office workers, and anyone requiring extended sitting relief.
HCPCS Code E2624 - Insurance coverage available for qualifying patients
Order your Sedens 500 today and experience the difference that clinical-grade pressure ulcer prevention makes for your health, comfort, and peace of mind.

Active vs. Passive: While foam cushions provide static support, the Sedens 500 actively prevents pressure ulcers through dynamic pressure redistribution.
Clinical Compliance: Meets 2019 clinical guidelines for pressure injury prevention - not just comfort.
Proven Technology: Alternating pressure therapy is clinically proven to prevent pressure sores in high-risk patients.
Cost-Effective Prevention: Prevents expensive pressure ulcer treatment costs through proactive pressure care.


The device enables extended outdoor use with its 12-hour lithium-ion battery on a full charge.


4-way stretch top cover enhanced moisture diffusion, coupled with optimal immersion and envelopment.
Dynamic Alternating Pressure: The Sedens 500's 4-cell air cushion system continuously redistributes pressure points, preventing the tissue damage that leads to pressure ulcers and pressure sores. Unlike static cushions, our alternating pressure mode actively reduces peak pressure buildup - the primary cause of pressure injuries in wheelchair users.
Clinical-Grade Performance: With 5 comfort levels and 3 cycle time options, the Sedens 500 adapts to individual pressure relief needs, meeting medical standards for pressure ulcer prevention in both clinical and home environments.
Extended Battery Life: The rechargeable lithium-ion battery provides 12 hours of continuous operation on a single charge, making it perfect for:
Portable Independence: Weighing only 2.2 lbs, the Sedens 500 offers true mobility without sacrificing pressure care effectiveness.
Visual & Audible Alarms: Integrated safety features provide low-pressure warnings and low-battery alerts, ensuring continuous pressure relief protection. Never worry about system failure compromising your pressure ulcer prevention.
Medial Thigh Support: Prevents thigh adduction and maintains proper hip alignment for enhanced comfort and pressure redistribution.
Solid Foam Base: Provides stable foundation for postural stability while the dynamic air cells deliver targeted pressure relief.
4-Way Stretch Cover: Medical-grade cover offers low shear, low friction, and vapor permeability while protecting against moisture - critical factors in pressure ulcer prevention.
Wheelchair Users: Essential pressure ulcer prevention for daily wheelchair use Extended Sitting: Office workers, drivers, and anyone sitting for hours Post-Injury Recovery: Supports healing while preventing new pressure sores Elderly Care: Reduces pressure ulcer risk in aging populations Medical Facilities: Meets clinical standards for pressure injury prevention
| Sedens 500 | ||
| Pump Dimension | 9.8" x 4.7" x 2.2" in | 25 x 12.2 x 5.7 cm |
| Pump Weight | 2.2 lb. | 1.0 Kg |
| Supply Voltage | 12V DC, 1150 mA | |
| Operating Cycle | 10/15/20 mins | |
| Li-ion Battery Pack | 3.78V Li-ion Battery x 2 | |
| Battery Operation Time | Approx. 12 hours | |
| Battery Recharge Time | Approx. 4.5 hours | |
| Cushion Dimension | 16" x 16" x 4" in | 41 x 41 x 10.2 cm |
| 17" x 17" x 4" in | 43 x 43 x 10.2 cm | |
| 18" x 16" x 4" in | 46 x 41 x 10.2 cm | |
| 18" x 18" 4" in | 46 x 46 x 10.2 cm | |
| 20" x 16" x 4" in | 51 x 41 x 10.2 cm | |
| 20" x 18" x 4" in | 51 x 46 x 10.2 cm | |
| Cell Height | 3.5" in | |
| Weight | 2.4 lb. | 1.11 Kg |
| Cover Material | 4-Way Stretch | |
| Cell Material | Nylon/PU & PU Foam | |
| Base Material | Nylon/PU | |
| Maximum Patient Wt. | 260 lb./120 Kg | |
| Flame Retardant Standards | EN597-1 & EN597-2 | |
| Pump | Yes | |
| HCPCS Code | E2610 |
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