Specification
Model | KN-4003BL |
Light Source | 308nm Excimer Light |
Power | AC 100-240V 50/60HZ | 160 VA |
Irradiated Area | 55 cm² ± 10% |
Irradiation Intensity | 20 mW / cm² |
Spectral Range | UVB:311~312 nm |
Peak Wavelength | 311 nm |
Light Life Span | 1000 Hours |
Indication | Vitiligo; Psoriasis; Eczema; Pityriasis Rosea |
Certification | ISO 9001:2008; ISO 13485:2003; FDA; CE |
Net Weight | 0.82 kg |
Warranty | 12 Months |
Work Environment
- Temperature: 5~40℃
- Relative humidity: ≤ 85%
- Atmospheric pressure: 700~1060hpa
Shipping and Storage Environment
- Temperature: -40~55℃
- Relative humidity: ≤ 90%
- Astomospheric pressure: 500~1060hpa

Excellent Philips Light Source

The light source is from Philips lamp, high stability and long irradiation life up to 1000 hours, ensuring your fluent treatment on the whole treatment period.
High-definition Blue LCD Display Screen

The high-definition blue-light LCD display can clearly read data and effectively protect your eyes. Even in a dim environment at night, you can see clearly and bring you a smooth user experience.
Time Control Function

The lamp is designed with the time control function, you may set the treatment time prehandly before starting the irradiation. And the lamp will automatically stop irradiating once the time is on, which is safe and convenient for every treatment, avoiding excessive irradiation to the wrong.
Detachable Comb Design

The comb is able to avoid the lamp directly contact with lesion skin so that protecting the skin better, especially the skin of the head. The comb is detachable from the lamp, convenient for the user to clean the comb skit regularly.
Large Irradiation Area

The lamp’s irradiation area is 55 cm²±10%, which can meet the irradiation needs of lesions smaller than or equal to the size of a palm on every part of the body.
Light Weight for Individual Use

The lamp is 1.63 lbs in weight, very light and compact, and the comb-shape design is portable for the individual users to irradiate the lesion by themselves.
Application

311nm Ultraviolet Lamp for Vitiligo
311nm ultraviolet light able to induce T cell apoptosis and stimulate the rapid division and proliferation of normal melanin in the hair follicles in the white spots. And eventually the skin can mostly recover to its original color.
After being irradiated for a period of time, most patients can observe darkening of the pigmentation at the edge of the white spot and the appearance of pigment islands within 2-4 months.

311nm Ultraviolet Lamp for Psoriasis
311nm ultraviolet light irradiation inhibits the proliferation of lymphocytes, reduces the number of inflammatory cells, and alleviates the inflammatory response in psoriasis patients.
After a period of irradiation, the Inflammatory symptoms can be effectively improved.

311nm Ultraviolet Lamp for Pityriasis Rosea
Like the effect to eczema, 311nm ultraviolet light can affect the activity of inflammatory cells and inflammatory mediators, reduce the intensity of inflammatory response, and thus relieve symptoms such as redness, swelling, and itching of pityriasis rosea.
The patient also can accept the light irradiation together with topical medications under the guidance of the dermatologist, effectively avoiding the worsening of pityriasis rosea because of uncontrollable scrabing.

311nm Ultraviolet Lamp for Eczema
311nm ultraviolet light can affect the activity of inflammatory cells and inflammatory mediators, reduce the intensity of inflammatory response, and thus relieve symptoms such as redness, swelling, and itching of eczema.
The patient also can accept the light irradiation together with topical medications under the guidance of the dermatologist, effectively avoiding the worsening of eczema because of uncontrollable scrabing.
Visible Treatment Effect
These are treatment feedbacks from our two previous users.

6 months treatment of vitiligo

4 months treatment of eczema
Packing List

1* 311nm ultraviolet lamp
1* detachable phototherapy comb
1* anti-uv goggles
1* user manual
Attention Tips for Accepting 311nm UVB Phototherapy
- The following patients should not be treated with UVB radiation: patients with solar dermatitis, patients with lupus erythematosus, patients with malignant tumors, patients with xeroderma pigmentosum, patients with Bloom syndrome, patients with dermatomyositis, pregnant women, and other patients who are not eligible for UVB radiation therapy.
- Please remember to put on the anti-uv goggles before turn on the machine!
- Avoid skin trauma and friction, and patients should not wear tight clothes.
- Patients should wear sunscreen when going out and avoid strong sunlight after treatment, such as swimming at low-latitude beaches or traveling in high-altitude areas. Special attention should be paid to the fact that ultraviolet rays can damage the skin and induce and aggravate the condition.
- Avoid chemical stimulation. Patients should not dye their hair or paint their nails, and their hands should not often come into contact with irritating chemicals.
- Patients should eat a normal and balanced diet without any dietary restrictions. Try to reduce or avoid smoking and drinking, and take vitamin drugs.
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