![[Use Demonstration] Kernel Corded, Handheld 311nm Narrowband UVB Lamp - KN4003BL](http://i.ytimg.com/vi/OgBtKaxAYNQ/hqdefault.jpg "[Use Demonstration] Kernel Corded, Handheld 311nm Narrowband UVB Lamp - KN4003BL")
Description
Kernel KN4003BL UVB Phototherapy Lamp – Efficient Skin and Scalp Treatment
Key Features
[Corded Handheld Lamp] Plug in the KN4003BL to begin uninterrupted treatment sessions, eliminating the need for charging.
Other Features
- Cost-effective medical-grade UVB lamp
- Travel-ready: Lightweight with 100-240V universal voltage battery compatibility, allowing seamless treatment continuity even during world travel.
- Targeted scalp treatment: Come with a comb attachment, KN4003BL ensures a safe and efficient treatment at 1.18 in.
Treatment Guidelines for Phototherapy
Initial Dose & Incremental Adjustments
- Vitiligo: 150-200 mJ/cm²
- Psoriasis: 300 mJ/cm²
Body Areas and Dose Adjustments:
- Face and Perineum: 150-180 mJ/cm²
- Increment Adjustments:
- No redness: +50-80 mJ/cm²
- Redness lasting <12 hours: +30-50 mJ/cm²
- Redness lasting 1 day: Maintain dose
- Redness lasting >1 day: Reduce dose
- Increment Adjustments:
- Hand Palm and Foot: 400 mJ/cm²
- Increment Adjustments:
- No redness: +200 mJ/cm²
- Increment Adjustments:
- Trunk, Limbs: 200-250 mJ/cm²
- Increment Adjustments:
- No redness: +100 mJ/cm²
- Redness lasting <12 hours: +50 mJ/cm²
- Increment Adjustments:
Instruction for Use
Pre-Treatment Steps:
1. Bathing: Take a 15-20 minute bath to remove skin scales.
2. Determine MED: Minimum Erythema Dose (MED) must be calculated before treatment.
- Kernel KN4006BL1D Lamp Intensity: 5.5 mW/cm²
- MED Formula: Irradiation Time (seconds)=Dose (mJ/cm²) ÷ Lamp Intensity (mW/cm²)
Treatment Protocols
- Psoriasis:
- Frequency: 3-4 times/week
- Treatment session: 15-20 times
- Vitiligo:
- Frequency: 2-3 times/week
- Treatment session: 30-50 times or more
Dose Adjustment Guidelines:
A. No Erythema or Previous Erythema Resolved:
- Increase dose by 20-25%.
B. Mild Erythema:
- Maintain the same dose or increase by 10%.
- If resolved, follow "A."
C. Asymptomatic Shiny Erythema:
- Skip one treatment, then resume with the same dose.
- Gradually increase by 10% for subsequent sessions.
D. Painful Erythema with Edema or Blisters:
- Stop treatment until recovery.
- Resume at half the previous dose.
Business Transparency
Kernel, founded in 1997, is dedicated to research, development, and manufacturing in the high-tech medical equipment industry, with leading innovations in UV phototherapy devices, colposcopes, and PDT photodynamic therapy devices. Headquartered in Jiangsu, China, Kernel has offices in more than 30 countries and regions worldwide and is widely praised for its quality, effectiveness, and after-sales service. Kernel's products have been approved by the FDA, CE, and ISO 9001. Ahead of its peers in the medical equipment field, Kernel is also a supplier to the United Nations.
Comparison Chart
| Product Model | KN4003BL | KN4003BL2D | KN4006B | KN4006BL1D | KN5000C |
 |
 |
 |
 |
 |
|
| Name | Kernel Corded, Handheld UVB Lamp | Kernel Cordless, Portable UVB Lamp | Kernel Corded, Stationary Double UVB Lamps | Kernel Cordless, Portable Double UVB Lamps | Kernel Excimer Laser 308nm - Highest Intensity and Precision UVB Lamp |
| Application | Vitiligo, Psoriasis, Eczema, Pityriasis Rosea, Atopic dermatitis and Tinea Capitis |
– Patients with a longer history of more severe conditions, such as Vitiligo, Psoriasis, Eczema, Pityriasis Rosea, Atopic dermatitis and Tinea Capitis. – And for who have not seen any improvement from other treatments. |
|||
| Treatment Area | Scalp, Face, Neck, Hands and Feet | Larger Areas of Back, Torso and Limbs |
Hard-to-reach areas such as elbows, eyelid, fingers and toes; neck, armpits, knees and limbs. |
||
| Lamp Intensity | 4.5mw/cm² | 4.5mw/cm² | 5.5mw/cm² | 5.5mw/cm² | 50mw/cm² |
| Treatment Size | 8.5 in² ± 10% | 8.5 in² ± 10% | 16 in² ± 10% | 16 in² ± 10% | 3.1 in² ± 10% |
| Light Source | 1 x Philips UVB Light 311nm ± 3nm | 1 x Philips UVB Light 311nm ± 3nm | 2 x Philips UVB Light 311nm ± 3nm | 2 x Philips UVB Light 311nm ± 3nm | XeCl Excimer Laser 308nm ± 2nm |
| Treatment Speed | Fast | Fast | Fast | Fast | 10X Fastest |
| Work Distance | 1.18 in ± 0.20 in | 1.18 in ± 0.20 in | 1.18 in ± 0.20 in | 1.18 in ± 0.20 in | 1.18 in ± 0.20 in |
| Power source | Corded | Cordless, Built-in Rechargeable Battery | Corded | Cordless, Built-in Rechargeable Battery | Corded |
| Light Source Lifespan | ≥ 500h | ≥ 500h | ≥ 500h | ≥ 800h | ≥ 500h |
| Package | UVB lamp, cord, UV-proof glasses, instruction | UVB lamp, charger, UV-proof glasses, instructions | UVB lamp and station, cord, UV-proof glasses and instruction | UVB lamp, distance holder, charger, UV-proof glasses and instructions | Excimer Laser 308nm, cord, 6 x shades, UV-proof glasses, 1 x aluminum case and instructions |
Details
Delivery: |
Free shipping 4 - 7 Days |
Application: |
Psoriasis, Vitiligo, Eczema, Pityriasis Rosea, Atopic Dermatitis |
Treatment Area: |
Scalp, Face, Hands and Feet |
Brand Name: |
Kernel |
Product: |
Corded, Handheld 311nm Narrowband UVB Lamp |
Model: |
KN4003BL |
Certificate: |
FDA Approved |
Wavelength: |
311 nm ± 3 nm |
Light Source: |
1 x Philips Light Bulb |
Light Intensity: |
4.5 mw/cm2 |
Treatment Size: |
8.5 in² ± 10% |
Treatment Speed: |
Fast |
Treatment Mode: |
Time |
Work Distance: |
1.18 in ± 0.20 in |
Built-in MED Test: |
N |
Mobility: |
Corded |
Built-in Battery: |
N |
Power Source: |
100-240V |
Screen: |
Basic LED Screen |
Light Source Lifespan: |
≤ 500h |
Packing List: |
1 x KN4003BL, 1 x UV-proof Goggles, 1 x Charging Cable, 1 x User Manual |
Dimension: |
12.48'' L × 2.05'' W × 1.89'' H |
Product Weight: |
1.63 lbs |
Warranty
Product Warranty
- 1-year for the entire machine, 500 hours for the light source.
- Free parts, replacements, and shipping for manufacturer defects during the warranty.
- Post-warranty repairs can be arranged through Hey Med Supply.
Return & Refund Policy
At Hey Med, we’ve been committed to delivering quality medical supplies with heart. If you need to return a product, please review the policy below to ensure a smooth return process.
14-Day Return Policy
Customers may return eligible products within 14 days from the date of purchase for a refund or exchange. For hygiene reasons, we do not accept returns of opened or used products unless the item is faulty.
Eligibility for Returns
- Sealed & Unused Products: Customers can return new, unopened, and unused products in their original factory-sealed packaging for any reason.
- Defective or Damaged Products: If the product is damaged upon arrival or deemed defective, it may be returned even if unsealed.
Return Process
Initiate a Return
- Contact us via email or the contact form on our website within 14 days of purchase.
- Provide your order details, reason for return, and confirmation that the product is unused and in its original packaging.
Receive Return Authorization
- We will review your request and provide you with a return authorization within 24 hours.
- You will receive shipping instructions to complete your return.
- Unauthorized returns will not be accepted.
Ship the Product
- Pack the product securely in its original packaging, including all accessories.
- Buyers are responsible for shipping costs, except in cases where the product is defective or arrived damaged.
Return Verification & Refund Processing
- Once we receive and inspect the returned product, we will process a refund to your original payment method within 5-7 business days.
- If the item is not in "new" condition or does not meet our return policy requirements, the return may be declined.
FAQs
Who Covers Return Shipping?
- Customer-Paid Return Shipping: If returning a non-defective, unopened item, the buyer is responsible for shipping costs.
- Hey Med Supply Covers Return Shipping: If the product is defective or damaged upon arrival, we will cover the return shipping costs.
Exchanges for Defective Products
If an item is deemed defective, Hey Med Supply will ship a replacement device at no additional shipping cost.
If you have any questions or need assistance, please contact our customer support team at cs@heymedsupply.com.
Product Reviews
-
Good customer service
I wasn't sure how to use it at first, but the customer service was incredibly helpful. They guided me over the phone and even sent additional information to read, which made everything much clearer. The handheld device is well-made and feels high-quality. Plus, it's so much less messy than any cream I’ve ever used.
-
Glad I found this product
I was tired of applying lotions for vitiligo on my arms and felt it was time to try something new. I came across this UVB wand and decided to give it a shot. To get the best results, it’s important to follow the treatment guidelines or your doctor’s recommendations. So far, I’ve had no side effects, and I’m excited to see more progress. Definitely worth trying!
-
Much relief for my vitiligo
I think you need to use it a month or two longer to see the full result, but I noticed very quickly how my back of my hands feels a lot calmer after I use it.
-
Easy to use
Still early days, but it works well. I've been using it for about a month, and it's definitely helping to calm my eczema. It has a similar effect to steroids but without the mess. Will continue the treatment and hope for even more improvement.
-
Fast Delivery Great Customer Service
Great quality. The item arrived as described, and the comb attachment is very useful for maintaining the proper distance.
