KDB504B is a foldable bed assist rail with stepless adjustable legs, designed for elderly or rehabilitation use. Featuring a one-hand 180° folding mechanism and wide mattress insertion base, it enhances bedside safety while ensuring easy access and installation.
Brand: KDB Health
(Sub-brand of KDB Medical — specializing in B2B healthcare solutions.)
Model: KDB504B
Manufacturing Base: Zhongshan, Guangdong, China
Lead Time: 30–45 business days upon deposit confirmation
Monthly Output: Up to 80,000 units
Minimum Order Quantity: 300 pieces (bulk purchase only)
Business Scope: Custom OEM & ODM solutions for commode chairs and patient handling equipment
Tagline: Specialized Partner in Commode Chair Innovation

🔁 One-Hand 180° Folding – Patent-protected design allows quick folding with one hand, ideal for elderly users.
📏 Adjustable Handle & Legs – 4 width options (53–73 cm) and stepless leg height adjustment (30–53 cm).
🛏️ Deep Mattress Insertion Base – 64×58 cm flat tube base supports the frame securely without disturbing sleep, even on thin mattresses.
🧤 Soft Foam Grip – Comfortable, non-slip foam handle for secure support.
🧱 Sturdy Steel Frame – 25.4 mm diameter, 1.0 mm wall thickness, carbon steel with black powder coating.
🔒 Universal 4m Fixing Strap – Secures the rail to 99% of standard beds with mattresses ≥5 cm.
🧍 100 kg Load Capacity – Reliable for daily use by elderly, patients, or people with limited mobility.
🧵 Includes Safety Strap – Fixed design ensures rail doesn't shift during use (Note: no storage bag included).
| Parameter | Details |
|---|---|
| Total Rail Height | 69 – 92 cm |
| Handle Height from Base Frame | 39 – 47 cm |
| Handle Length | 54 – 61 cm |
| Base to Floor Height | 30 – 53 cm |
| Mattress Insertion Size | 64 × 58 × 1.2 cm |
| Frame Material | Carbon steel (25.4 mm, 1.0 mm thick) |
| Grip Material | Soft foam |
| Width Adjustment | 4 levels (53/63/73 cm) |
| Folding Function | One-hand 180° fold |
| Fixing Strap Length | 4 meters |
| Load Capacity | 100 kg |
| Accessories Included | Safety strap (no storage bag) |
🏥 Hospital Beds & Recovery Centers
🏡 Home Care for Seniors or Disabled
🛌 Rehabilitation Bedside Support
👴 Elderly Assistance for Getting In/Out of Bed
🧰 Medical Equipment Rentals & Clinics

✅ 【Why Choose KDB Medical?】
Expert ODM/OEM Manufacturer of Patient Lifts and Commode Chairs with 12+ Years of In-House R&D Excellence.
🏭 Direct from Factory
Source directly from our own supply chain manufacturing base.
Monthly output: 80,000+ commode chairs.
All models available for global B2B distribution.
🧩 Customized for Your Market
ODM/OEM orders accepted starting from just 50 units.
Free structural design and mold development included.
Exclusive models with regional pricing protection for local distributors.
🚀 Innovation & Compliance
12-member in-house R&D team, launching 15+ new models monthly.
Certified: CE, ISO13485, FDA, MDMA.
Third-party tested: skin-safe and non-toxic materials.
🤝 Service & Support
Fast-response technical team and professional after-sales guidance.
Global experience serving hospitals, rehab centers, and distributors.
📩 Let’s Talk | Send Your Inquiry Now



The KDB504B bed rail offers stable support and effortless usability, designed with caregivers and seniors in mind. Unlike conventional two-hand folding rails, this model features a unique one-hand 180° folding mechanism, making it easy to use for elderly individuals. Its wide mattress-insertion base and stepless adjustable legs offer a customizable fit for various beds and users. With strong carbon steel construction and high load capacity, it ensures safety and peace of mind in professional and home care environments.