UVee Therapy Systems, for Treatment of Dermatological Disorders like Psoriasis

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UVee History

Established in 2013, UVee develops, manufactures, sells, distributes and services UV Therapy Systems. Our products use DELCOMp, Puva Combi Light, PCL and Arkade technology. With over 20 years of experience UVee is well placed to become the number one UV Therapy Systems manufacturer.

UVee got the permission of Arkade to use the puva.com website and the PCL and Puva Combi Light brandname. To support existing Arkade PCL UV Systems users and distributors UVee will supply all possible spare parts for these. Distributors should contact UVee for sales conditions.

From a legal point of view Arkade remains responsible for its already sold products and warranty issues. Feel free to contact Arkade directly to solve any warranty or product issue. Of course you can also contact UVee and we will forward your requests to Arkade. UVee is only responsible for all the new UV Therapy Sysems sold since mid 2013.

The complete UVee UV Systems product line is based on new DELCOMp designs using the Arkade PCL technology.

DELCOMp History

Launched in 1994 DELCOMp has quickly established itself as an innovative and dynamic company providing high quality engineering and consulting services for embedded electronics and IT systems. Our main offices are located in Leuven near the Belgian capital of Brussels.

Since 1995 the engineering department of DELCOMp developed as a subcontractor the electronics for most Puva Combi Light UV Systems which were produced, certified, tested and distributed by Arkade.
By mid 2011 Arkade stopped further development, production and distribution of its PCL UV Systems. DELCOMp decided to use its knowledge based on appr. 20 years of development of Arkade PCL UV Systems and start developing a brand new UV Systems product line. UVee will focus on manufacturing and distributing this new line of UV Therapy Systems, using the development experience of DELCOMp

Puva Combi Light History

As an answer on the increasing demand for phototherapeutic devices on the Belgian market Arkade developed its first Full Body UV System in 1995. This UV System was equipped with 48 tubes in total, varying in configuration of UVA and UVB tubes. The most innovating feature was the dosimetrical unit, which could be set in time as well as in Joules.

Only one year after the launch of the first Full Body UV System Arkade brought its first hand and feet device to the market. This device was specially developed for treating local skin disorders on the hands, wrists, feet and lower legs. Its shape was designed to have easy access with both hand and feet while keeping a comfortable position during treatment.

From the year 2000 on demand in neighbouring countries increased rapidly. In order to expand the success on the Belgian market, several new types of UV Systems were developed to meet the specific demands of other European countries. Gradually Arkade phototherapeutic devices became more and more electronically controlled, which made them easy to use even in different languages. Arkade was the first company to use the new DELCOMp designed touchscreen control unit combined with electronic ballasts in order to guarantee a longer lamp life-time and a reduced power consumption.

During the first decade of the 21th century Arkade expanded his market to the entire EMEA area and the Middle East. With over 300 Full Body UV Systems sold worldwide and several official dealerships in a dozens of countries, Arkade and the Puva Combi Light brand became a world player for UV Therapy Systems.

Why choose a UVee Therapy System

How do the UVee UV Therapy Systems compare to the products of the competition?
UVee offers products of the same and better quality as any competitive product. But we add more features and offer a better price.

We can offer more advanced features because our complete product line was redesigned just recently. To ensure the reliability these new designs are based on a 20-year UV Therapy System design experience. Due to the recent development date we were able to incorporate the latest technology which offers more features for a lower price.
Most of our competitors use older designs with older more expensive technology with limited features.

We can offer a very competitive price because we use a cost-effective JIT production system, produce higher volumes. Further we do not use a costly sales organisation. Our sales system is web based and offers all information on-line. We do not require an expensive sales staff with the related travel costs.

UVee Therapy Systems and the competitors

The UVee UV Therapy Systems offer a unique electronic concept and the latest touchscreen technology. The electronic lamp system offers a higher lamp life time and a higher lamp light output. The latter results in shorter treatment times which lowers the stress imposed on patients and allow optimal use of the unit (more patients can use the unit in one day).
The lamps will start instantaneously, which allows very accurate UVB treatments. Treatment times of 15 seconds when an UVB treatment starts are not unusual. These short times can only be accurately dosed when the lamps use an electronic start system as used in the UVee Therapy Systems.

The advanced Apple iPad based user interface is an example of user friendliness.

ALL UVee Therapy Systems are equipped with an advanced UV sensor system. This decreases the security risk and allows for more accurate measurements.

You will notice the UVee Therapy Systems have about the same price as the lower-end full body units competitors are offering.

UVee is a unique manufacturer and supplier of phototherapeutic devices.
It is our goal to develop medical devices of a very high technical standard in which the patients comfort and safety are inextricable integrated.

Through a continuous strengthening of our relationships with universities, hospitals, doctors and patients, we are constantly improving our products. Thanks to this intense cooperation, we are able to reduce the duration and the side effects of treatment while increasing product efficiency and the patients comfort.

Our Quality Policy is to develop, produce, and deliver on time, products and services that meet or exceed customer expectations. In order to do this, we have implemented quality systems and processes that are continually being improved to satisfy our customers' changing needs.

UVee promises you Innovative, Quality products and Services from a company you can Trust.

Links

Eczema Association of Australasia An educational site offering you practical information about living with or caring for someone with eczema.
www.eczema.org.au

National Eczema Association, US Extensive information about the nature of eczema, its treatment and its management.
www.nationaleczema.org

National Eczema Society, UK Provides people with independent and practical advice about treating and managing eczema. Includes information for Healthcare professionals, teachers and the government.
www.eczema.org

National Psoriasis Foundation A site for people who have psoriasis and psoriatic arthritis.
www.psoriasis.org

Psoriasis Association, UK Information on what psoriasis is, what causes it and what treatments are available.
www.psoriasis-association.org.uk

Psoriasis Help Organisation An informative and friendly environment to learn about Psoriasis and discuss topics with others in similar situations.
www.psoriasis-help.org.uk

TalkEczema A free information and support site for eczema sufferers and their families.
www.talkeczema.com

TalkPsoriasis A free information and support site for psoriasis sufferers and their families.
www.talkpsoriasis.com

Psoriasis is a skin condition, it is a disease, but it is not contagious. The name comes from the Greek word for "itch." It can be hereditary, caused by external influences (allergic reaction to foods or the environment) and sometimes stress. 4-5% of the population are known to be affected, and this number is growing. However, it is suspected that 1 in 5 people have some form of psoriasis either descript or non descript. Once you have psoriasis, it is very likely you will have it for ever. It may go away, and come back. It might respond to various treatments, and it may not. Basically psoriasis is your body over producing skin cells. You have too many skin cells in one location which is why it often swells up, becomes dry and even flaky. It can often be very itchy, red, sore, cracked and very tender. Psoriasis usually effects the scalp, hands, stomach, knees, feet and elbows. It is linked to dandruff and unfortunately to some forms of arthritis.
A leading psoriasis foundation has this to say about Phototherapy treatment for psoriasis. "This type of treatment (phototherapy) involves exposing the skin to a particular wavelength of ultraviolet light called UVB. Phototherapy is a common, safe and very effective treatment for psoriasis."

What causes Psoriasis

The simple answer is that nobody really knows. So many people claim to know what causes psoriasis, but nobody has any proof or evidence. Any person or web page that claims to have a "cure" for psoriasis should be treated with caution. You will also find that you can "trigger" your psoriasis. Your trigger may be stress, it might also be a food or the environment.

What can I do for free to reduce my Psoriasis

The first step is reducing the severity of your psoriasis, is DRINK LOTS OF WATER. Drink at least 2 litres a day. The second step is to IMPROVE YOUR DIET and eat lots of green leafy vegetables. This will not cure your psoriasis, but it may dramatically reduce it. You will find each doctor or dermatologist will give different advice. That is because they have probably found something that works for a variety of their patients. It is not uncommon for dermatologists to try a combination of treatments until they find one that works particularly well for you-its basically trial and error! The following foods are popular triggers (worsen psoriasis;) Coke-a-Cola, red wine, red meat, MSG, chilli, hot spices, junk foods, oily foods, berries (such as strawberries) tomato, most acidic foods and vitamin-c. People with poor diets will likely have much worse psoriasis.

Do Psoriasis diets alone really work

The short answer is no, not generally. It has been proven that a good diet (less of the foods mentioned above,) lots of water and lots of vegetables, a good multi vitamin tablet and also zinc tablets daily can help reduce psoriasis, it is not a recognised treatment, nor a cure. Any results from a diet are probably due to increased general health, and the REMOVAL of unhealthy foods - not the inclusion of magic foods. Acidic foods in particular have been proven to worsen psoriasis, so simply eliminating these from your existing diet will improve your psoriasis as much as any "wonder diet" could.

Seen the magic psoriasis cure in the local news paper that "worked for me?" They are often flooded with testimonials like" thanks for saving me, I've tried everything, but your product is fantastic." Don't be mislead by advertisements asking for "$7.95" for a magical detoxification diet booklet that will "cure your psoriasis for ever." The magical diet will probably just be "drink lots of water, and improve your diet." The national psoriasis foundation states "Special diets have not been successful in completely treating psoriasis, except in isolated cases." If a complete cure was that simple, no body would have psoriasis and your doctor would have the answer.

If only it were that simple. Psoriasis has been known about for at least five thousand years and if any particular nutrient had been proved to be beneficial surely we would all have heard about it by now!

Magic Psoriasis cures, do they really work

The drug industry is a multi billion dollar industry. Drugs exist for almost every purpose imaginable. Drug companies WANT to sell you drugs. Drug company's want to sell YOU - THEIR drugs. If there was a drug that "cured" psoriasis, then every drug company in the world would manufacture and sell that drug. They would also advertise the drug. It would be the same drug available from everyday doctor and pharmacist in the world. Therefore, if a real psoriasis "cure" existed, it would be extremely widely know and advertised. Since every magic cure is a "secret formula" and not manufactured by a main stream drug company, we can safely and easily assume that there is no real benefit from using the products (and paying for them.) It is illogical and unethical not to list all ingredients in a medical or homeopathic product, in the case of an allergy, allergic reaction or poisoning there is little that can be done.

Basically most of these "wonder products" are either just a plagiarized diet book (i.e. all the same) or an expensive moisturizing cream. We investigated hundreds of different "wonder products" and the common ingredient is always the same- Coal Tar. Check the ingredients yourself in the psoriasis products at your pharmacist. The benefits of Coal Tar have been know for many years (hundreds actually!!) So why not purchase a quality coal tar product from your pharmacist? They come in lotions, bath additives, soap blocks and moisturizers. If you want a moisturizer for dry and itchy psoriasis we have found Sorbaline to be very good . It's a glycerol based product that is very gentle, particularly on painful psoriasis. DO NOT JUST USE ANY OLD MOISTURIZER, OR SKIN OIL. They will often cause more problems than they solve. Be very careful what you actually put on your psoriasis. Often oil based products will INFLAME your psoriasis and make it worse.

Coal Tar ONLY treats the inflammation, not the cause, and will do nothing to prevent your psoriasis occurring. We recommend using Coal Tar products in conjunction with our UVB treatment for best results. Coal Tar should relieve the itchiness, swelling and some flaking, but it only offers temporary relief. There is a common misbelief that Coal Tar causes cancer, which is simply not true. The FDA says a coal tar solution of between 1-5% has been proven as a safe product.

Why is UV treatment for Psoriasis so popular

UV phototherapy or PUVA therapy is the simplest and easiest treatment with the best general results for clearing psoriasis. There is also no real direct side effects (but be careful of sunburn which can increase the risk of skin cancer.) UVB light is NOT the light found in tanning salons and solariums. That is UVA light. Sitting in a tanning salon for hours will do little or nothing for your psoriasis. What about skin cancer? There is not a single case of documented skin cancer caused by narrow band UVB phototherapy treatment. It is safer than the old style wide band light, and significantly safer than normal sun exposure UVA or PUVA phototherapy. Several studies have been unable to find any link between narrow band UVB treatment and skin cancer. People who are predisposed to skin cancer can have skin cancer on parts of their body that have never been exposed to UV light, such as in the arm pits and soles of the feet.

Psoriasis is a chronic (long-lasting) skin disease characterized by scaling and inflammation. Scaling occurs when cells in the outer layer of the skin reproduce faster than normal and pile up on the skin's surface.

Phototherapy, or light therapy, is the administration of doses of bright light with a specific wavelength (colour) in order to normalize the body's internal clock or to cure/change external features on our skin. Some examples of phototherapy are; Puva (UV), laser, infra-red and acne treatment. The "healing power" of the light depends on it's wavelength and intensity.

Years ago it was noticed by an astute nurse that babies near the window of the nursery did not seem to become as yellow with newborn jaundice as the other babies in the nursery. From this simple observation came the principle of phototherapy. Newborns with moderately severe jaundice are placed under powerful florescent lights which are designed to emit light at a specific wavelength which is known to break down the bilirubin molecule. This molecule is converted from the toxic, fat soluble form which can enter and damage the baby's brain tissues to a harmless, water soluble form which is excreted in the urine and stool more readily.

Phototherapy used to be mainly conducted in the hospital setting, under the supervision of a doctor. Now, for almost every field of use, there are a number of portable phototherapy devices that make home therapy easy and safe.

UVA (ultraviolet-A): long- wave solar rays of 320-400 nanometers

UVA was considered as the safe ray in the "80's" and sun beds were the hype. Some dermatologist backed this idea as a safe and healthy way to look your best. Since then science has found this ray actually does the most amount of damage to the body than UVB. UVA is the same strength year round -- it does not matter how close or how far away the sun is from the earth. The ray remains the same strength and considered a light X ray. It goes through light clothing, wind shields, office windows, hats, etc. You can test this by putting a colour bound book or fabric covered furniture in a sunny window for a few months. You will start to see the colour fade as the rays work on the book or furniture. Often women will say they never go out in the sun but their chest is permanently red and wrinkly, their hands look old which I usually categorize as "free-way" or "commuter" aging. A pulled down head visor in a vehicle does not protect your hands on the steering wheel or exposed chest driving into the sun. Car pooling, commuting or traveling congested areas even several times a week is enough to cause aging. When taking the train or plane is the sunlight on your hands or chest? Male skin is thicker "free-way" or "commuter" aging affects them mostly by more brown spots on the exposed side of the face. Living in a sun state or country, for example, Mexico or equator countries provide a constant sunny environment making a daily full spectrum sunblock necessary.

Body's Reaction to UVA

UVA shoots through the epidermis and disperses in the dermis the second layer of the skin. The dermis is called the "true skin" and stops gleefully renewing itself around the age of 28 years. Skin after this age is considered "mature skin". Damage incurred is not mended as well if at all, fair skin people look in the mirror and ask "What happened?". It is the aging process and like new paint on a car in a crowded parking lot years later does not look so great. The skin like new paint on a car has to be taken care of and protected. The dermis is composed of collagen, elastin , blood vessels, nerve endings and ground substances (glyco-amino-glycans, mucopoly-saccharides). It provides the firm youthful mattress for the skin. Prolonged exposure of UVA cracks and shrinks the collagen and elastin. The size of the layer becomes smaller so the epidermis (top layer) starts to droop or hang off the body. Blood vessels become permanently dilated giving a constant red flush to the skin. The few remaining melanocyte cells that are scattered in the dermis either die making a white spot or become over active leaving a brown spot. There are no lasers or procedure available at the moment that guarantees the removal of these brown spots and some procedures make them worse. The water binding ground substances are less and ineffective making the skin dry. In the end over exposure to this ray can put you in the dermatologist or plastic surgeon's office faster than any other aggravator. Not to mention the reported deaths from radiation poisoning from tanning beds.

Sunlight regulates our biological clock and provides essential vitamin D. Common sense should be used in regulating the amount of time in the sun.

UVB (ultraviolet-B): short-wave solar rays of 290-320 nanometers

UVB was long considered as the "tanning ray" and is strongest in the summer months when the earth rotates closest to the sun. When the earth rotates away from the sun in the winter months it is harder to get a "suntan" because the rays can not reach the earth's surface. Sunblocks for many years only blocked the UVB ray as science was not clear on the body's reaction to UVA.

Body's Reaction to UVB

This ray only has the strength to penetrate the epidermis. The epidermis is the very top layer of the body and the same thickness as a silk scarf. No blood vessels or nerve endings are present and is composed of keratinocytes (skin cells), basal cells and melanocyte cells. Melanocyte cells synthesize tyrosinase and the pigment melanin that is transferred to the keratinocytes or skin cells for color. See the hyperpigmentation or brown spots information section of the store for more facts on darkening of the skin. UVB rays simulate the melanocyte cell to produce more melanin which is more colour known as a suntan or if a very small area known as a brown or age spot.

What is (P)UVA?

PUVA, also called "Phototherapy" is an acronym for psoralen (a light-sensitizing medication) combined with exposure to ultraviolet light A (with a wavelength between 320 and 400 nanometer). By itself, however, UVA is not usually used to clear psoriasis. It is relatively ineffective unless used with a light-sensitizing medication such as psoralen.
PUVA can also refer to treatment with ultraviolet light B, which does not need extra medication to be effective. UVA, like UVB, is found in sunlight.

PUVA therapy is a common treatment for various forms of psoriasis, because it slows down two processes that are associated with psoriasis:

the inflammation in the dermis
the excessive cell reproduction in the epidermis

How is UVA administered?

The positive effect of sunlight on Psoriasis has been known for a long time. Sunlight is more than the light that we can see. It also contains non visible, Ultraviolet rays like UVA and UVB. PUVA therapy uses these UV radiation.

PUVA treatments take place in a doctor's office. After psoralen is ingested or applied to the skin, a patient exposes his or her psoriasis lesions to UVA in a light unit lined with ultraviolet lamps. Most UVA units are vertical, and patients stand during treatment. Other special UVA units are used for exposing only specific parts of the body, such as the hands and feet.

A doctor and his or her phototherapy staff know exactly how much time should elapse between the patient taking the pill or applying psoralen topically, and exposing the lesions to UVA. Timing is critical to the success of the treatment. For the UVA light exposure to work, it must be administered at a time when the psoralen is at a high level in the skin.

Oral PUVA is the most common form. It calls for the patient to take psoralen pills 75 to 120 minutes before entering the PUVA Cabin.

Initially, exposure to UVA may be very short (30 seconds to several minutes), depending on the patient's skin type and the kind of UVA unit. Exposure time is gradually increased to 20 minutes or longer, depending on the strength of the UVA light. On average, 25 treatments are required for clearance, but may be greater for very severe psoriasis.

Some doctors conduct a test treatment on a small area of the skin to test the sensitivity of the skin to UV radiation. The results will determine the start dose for the particular patient. Mostly the treatment schedule is based on the skin type of the patient.

Skintype I	Always burns, never bronzes
Skintype II	Always burns, bronzes sometimes
Skintype III	Burns sometimes, always bronzes
Skintype IV	Never burns, always bronzes
Skintype V	Light pigmented skin
Skintype VI	Dark pigmented skin

Lower skintypes demand precaution, lower radiation times with gradually small increases. For the higher skintypes, the first sessions can be much longer and radiation can be increased faster.

After clearing, a person may or may not go on a maintenance regimen, depending on the aggressiveness of the psoriasis. Only one or two PUVA treatments per month may be needed to maintain clearance, although the exact regimen will vary for each patient.

What is a UVA cabin?

A PUVA cabin can be compared with a sun booth (a vertical tanning bed) equipped with special UVA and/or UVB tubes. Compared to a sun booth, there are a few differences with a PUVA cabin.

Treatments are mostly programmed in Joules in stead of time (seconds)
The tubes in the cabin emit a specific wavelength of light to optimize treatment
The use of UVB tubes must always be done under supervision of a dermatologist
Sensors inside the cabin measures the strength of the tubes and recalculate treatment time accordingly

How effective is UVA?

PUVA is a very effective treatment for psoriasis. Studies show that PUVA clears psoriasis for more than 85% of patients. It induces long remission times, even without maintenance treatment, that can last from a few months to more than a year. To reach this result, treatment should take place 2-3 times a week for 6-10 weeks.

What are the side effects of UVA?

The most common short-term side effects of oral UVA are nausea, itching and redness of the skin. Drinking milk or ginger ale, taking ginger supplements or eating while taking oral psoralen may prevent nausea. Antihistamines, baths with colloidal oatmeal products or application of topical products with capsaicin (an extract of hot peppers) may help relieve itching caused by PUVA. Swelling of the legs from standing during PUVA treatment can sometimes be relieved by wearing support hose.

Skin cancers
The primary long-term risk of PUVA treatment is a higher risk of skin cancer, particularly non-aggressive forms like squamous cell carcinoma (SCC) and basal cell carcinoma (BCC). Studies show the more PUVA treatments you have, the more at risk you are for developing skin cancers, compared to the general, non-PUVA-treated population.
Long-term PUVA treatment requires careful monitoring for skin cancer, even after treatments are finished. If you have had more than a total of 150 PUVA treatments, it is advisable to have an annual skin examination by a dermatologist. Skin cancers generally can be removed easily if detected early.
Early signs of an increased risk of non-melanoma skin cancer are keratoses, or raised, scaly wart-like bumps, that can range from a tenth- to a half-inch in diameter at the base. PUVA-induced keratoses (as opposed to sun-induced keratoses) tend to appear on skin that does not receive regular sun exposure (e.g., the trunk and thighs). Keratoses and early skin cancer lesions generally can be removed.

Cataracts
There is a potential for PUVA to induce cataracts if the eyes are not protected for 12 to 24 hours after a PUVA treatment. Psoralen remains in the eye lens for a period of time following ingestion of the drug. To date, no increase in cataracts has been noted in patients using proper eye protection.
Use of commercial sunglasses should be discussed with your doctor. Sunglasses must filter out 100 percent of the ultraviolet light.

Freckling and skin aging
PUVA patients who have received more than 150 treatments within five years are at a higher risk for premature aging of the skin. The aging usually takes the form of wrinkling and dryness, or tight, shiny skin. Discolored spots that look like dark freckles may develop.

Who is a candidate for UVA?

PUVA is considered for moderate to severe cases of psoriasis in adults. Stable plaque psoriasis, guttate psoriasis, and psoriasis of the palms and soles are especially responsive to PUVA treatments.

PUVA is not normally recommended for children or teenagers. However, it can be used by young people to avoid unwanted side effects of other treatments or if other treatments have not been successful.

Some people are not good candidates for PUVA due to their medical histories. The following are possible reasons to avoid PUVA:

A family history of allergy to sunlight
Pregnancy or nursing
A history of arsenic intake (e.g., Fowler's solution)
Previous ionizing radiation therapy (Grenz ray or X-ray)
Medical conditions such as lupus erythematosus, porphyria or skin cancer that require one to avoid the sun
Heart or blood pressure problems so severe that one can't tolerate heat or prolonged standing
A history of skin cancer

What is UVB?

Present in natural sunlight, ultraviolet light B (UVB) is an effective treatment for psoriasis. UVB penetrates the skin and slows the abnormally rapid growth of skin cells associated with psoriasis. UVB treatment involves exposing the skin to an artificial UVB light source for a set length of time on a regular schedule, either under a doctor's direction in a medical setting or with a home unit purchased with a doctor's prescription.

Although the cabin is equipped with UVA/UVB tubes or UVB tubes only, It is still called a PUVA cabin.

There are two types of UVB treatment, broad band and narrow band. Broad-band UVB is more commonly used in the United States; however, narrow-band UVB is similar in many ways and is becoming more widely used. The major difference between broad-band and narrow-band UVB is that narrow-band UVB units emit a more specific range of UV wavelengths.

Several studies indicate that narrow-band UVB clears psoriasis faster and produces longer remissions than broad-band UVB. Narrow-band UVB may be effective with fewer treatments per week than broad-band UVB. The use of narrow-band UVB increases as doctors and patients learn more about its effectiveness and safety and as the equipment becomes less expensive.

How is UVB administered?

The patient stands in a PUVA cabin with UVB lamps, or an enclosure containing one or more columns of lamps. A person undresses to expose all affected areas to the ultraviolet light. Some doctors have small units for treating localized areas such as the palms and soles.

A patient generally will receive treatments three times per week. It takes an average of 30 treatments to reach maximum improvement of psoriasis lesions.

The first exposure to the light is usually quite short, lasting as little as a few seconds. Exposure time depends on the person's skin type and the intensity of the light emitted from the bulbs. People with lighter skin start with shorter exposure times than people with darker skin.

Normally, treatment times are gradually increased until clearing occurs, unless the last session produced itching and/or skin tenderness. Because administering UVB light is not an exact science, each person's reaction to the light is not completely predictable. Subsequent sessions of UVB are adjusted according to a person's individual response.

UVB requires a significant time commitment. People get the best results when they keep scheduled appointments and follow treatment directions carefully.

A doctor may require a patient to do one or more of the following before UVB treatments begin:

Inform the medical staff of medications used, topically or internally;
Soak in warm water for 30 minutes to remove psoriasis scales;
Protect certain areas of skin (for example, the backs of hands, neck, lips, nipples and dark, pigmented areas of the breasts) with sunscreen;
Cover uninvolved areas of the body, such as the face, with paper, cloth or sunscreen to shield from unwanted light exposure;
Apply topical coal tar preparations to the lesions at night and wash them off in the morning before a UVB treatment.

Any other topical application left on the skin may block some or all of the UVB light and reduce the effectiveness of the treatment. This is especially true for salicylic acid and thick, white moisturizers. It is important for you to talk to your doctor about all moisturizers and topical medications that you are using to receive the maximum benefit from phototherapy treatment.

Once the skin clears, the treatments can be stopped. They should be resumed as the lesions begin to reappear. Sometimes UVB is continued on a maintenance basis.

Studies show that UVB maintenance can increase remission time. Most people need about eight maintenance treatments per month to prolong clearance, but it is different for every person.

If psoriasis lesions return, an individual may return to three treatments per week. Sometimes a person is rotated to a different psoriasis treatment. This rotation gives the skin a break from UVB, minimizing long-term exposure and possible side effects.

What is a UVB cabin?

Although the term PUVA is technically not applicable for UVB treatment because no Psoralen are used and the UVA light is replaced by UVB. It is common for patients to receive UVA as well as UVB radiation during the same treatment. The amount of joules for each wavelength is programmed and lamps will start and stop when the dose is reached.

Therefore, in everyday use, PUVA cabin or PUVA therapy is used to refer to a cabin or treatment with UVA as well as UVB light.

A PUVA cabin can be compared with a sun booth (a vertical tanning bed) equipped with special UVA and/or UVB tubes. Compared to a sun booth, there are a few differences with a PUVA cabin.

Treatments are mostly programmed in Joules in stead of time (seconds)
The tubes in the cabin emit a specific wavelength of light to optimize treatment
The use of UVB tubes must always be done under supervision of a dermatologist
Sensors inside the cabin measures the strength of the tubes and recalculate treatment time accordingly

How effective is UVB?

Studies for response rates to Narrow Band-UVB shows that more than 55% of the patients had a complete response, 30% had a partial response and only 15% of the patients had no response at all. To get these results, patients need to be treated according a tight treatment schedule during several weeks. Overall it can be said that NB-UVB has an effectiveness of 85% and is a useful, safe, and easily administered way for treating psoriasis.

What are the side effects of UVB?

During treatment, psoriasis may worsen temporarily before improving. The skin may itch and become red because of exposure to the UVB light. The amount of UVB administered may need to be reduced to avoid further irritation. Occasionally, temporary flares occur even with non-burning doses of UVB. These reactions may resolve with continued UVB treatment.

Sunburn
Certain medications, herbal supplements and topical ingredients can cause sensitivity to light; it is important to tell your doctor about all medications, treatments and supplements you are taking. Patients should avoid exposure to natural sunlight on UVB treatment days. Overexposure to ultraviolet light can cause a serious burn.

Skin cancer
UVB is an established carcinogen (cancer-causing substance or agent) in humans. However, there is no direct evidence of increased risk of skin cancer from UVB treatment for psoriasis. It is important to have a doctor examine your skin periodically. Skin cancers generally can be removed easily if detected early.

Some doctors recommend the use of sunscreen on uninvolved skin as a means of minimizing exposure to UVB. The face, for example, is exposed to a great deal of natural sunlight. If there is no psoriasis on the face, a person should avoid UVB exposure there.

Who is a candidate for UVB?

UVB treatment can be used by adults and children, and will be effective in treating psoriasis for at least two-thirds of patients who meet these criteria:

Thin plaques (decreased scale build up)
Moderate to severe disease (involving more than 3 percent of the skin)
Responsive to natural sunlight


Model	UVee T9000	UVee S9000
	Medical	Solarium
Lamps Full Electronic Control of each Lamp (on/off, electronic start, electronic run) No starters required, no maintenance required.
Philips Medical UVA 100W	24
Philips Medical UVB 100W (TL-01 narrowband)	24
ISOLde Cleo Professional 100W (UVB/UVA 1,4%)		48
UV Sensors	4
Dimensions
Outer	101 x 101 x 202 cm
Inner	75 x 75 x 196 cm
Step	6 cm
Weight	250 kg
Shipment Weight	320 kg
Mains
Mains Connection	16A	25A
	208-240V +/- 10%	208-240V +/- 10%
	50/60 Hz	50/60 Hz
cos Φ	> 0,9 (electronic lamp control)
Circuit Breaker Installed	20A Automatic	32A Automatic
Software	in the field upgradable
Interfaces WiFi (network) connection Apple iPad control panel Large Display inside the System Door close/open detection switch with anti-claustrophobic mode and autostart/stop mode Build-in real time clock Auditive Alarm


Model	T9000	T7000
Philips Medical UV Lamps	Yes	Yes
UVA Lamps	24 AND	20 OR
UVB Lamps	24	20
UV Sensors	4	2
Instant-On Lamps	Yes	Yes
Plexi Lamp Protection	Yes	Yes
Efficient Lamp Cooling System	Yes	Yes
WiFi	Yes	Yes
iPad control panel	iPad	optional iPad
iPad mounted on door	Yes	No
Patient Database	Yes	Yes (iPad required) Option: unlimited
Therapy History & Planning	Yes	Yes (iPad required)
Remote Control & Monitoring	Yes	Yes (iPad required)
Print Reports	Yes	Yes (iPad required)
Internal Patient Display	Yes	No
Door close/open detection	Yes	Yes
Auditive Alarm	Yes	Yes
Patient Grab Bars	Yes	No
Patient Start/Stop button	Yes	No
Door Left or Right turning	Yes	Left only
Metal Floor with safety bar	Yes	Yes
Patient Cooling Fans	Yes	No
Hidden Door Hinges	Yes	Yes
Weight	250 kg	210 kg
Step	6 cm	6 cm
Dimensions	101x101x202 cm	101x101x202 cm


Model	UVee T7000
Lamps Electronic Control of each Individual Lamp (electronic start, electronic run) No starters required, no maintenance required.
Philips Medical PUVA or UVB 100W (TL-01 Narrowband)	20
Dimensions
Outer	101 x 101 x 202 cm
Inner	75 x 75 x 196 cm
Step	6 cm
Weight	210 kg
Shipment Weight	280 kg
UV Sensors	2
Mains
Mains Connection	16A
	208-240V +/- 10%
	50/60 Hz
cos Φ	> 0,9 (electronic lamp control)
Circuit Breaker Installed;	20A Automatic
Software	in the field upgradable
Interfaces WiFi (network) connection Web-based control panel requires a smartphone, tablet or PC (not included with shipment) Optional Apple iPad control panel Door close/open detection switch with autostart/stop mode Build-in real time clock Auditive Alarm


Model	UVee T4000	UVee T4100	UVee T4200
	UVA or UVB or Combi UVA-UVB
Treatment Zone
Palm of Hands	Yes	Yes	Yes
Top of Hands	Yes	Yes	Yes
Bottom of Feet	Yes	Yes	No
Front Under Legs	Yes	No	No
Lamps Full Electronic Control of each Lamp (on/off, electronic start, electronic run) No starters required, no maintenance required.
Philips Medical UVA 100W	16 / 12 /0	12 / 8 / 0	8 / 6 / 0
Philips Medical UVB 100W (TL-01 narrowband)	0 / 4 / 16	0 / 4 / 12	0 / 2 / 8
UV Sensors	8	6	4
Dimensions
Outer	93 (h) x 70 x 70 (cm)
Weight	50 kg	45 kg	40 kg
Mains
Mains Connection	220-240V +/- 10%
	50-60 Hz
Power Consumption	600 W	450 W	300 W
cos Φ	0,98
Software	in the field upgradable
Interfaces WiFi (network) connection Apple iPad control panel Build-in real time clock Auditive Alarm


	T1000B4	T2000B8	T1000A4	T2000A8
	UVB	UVB	UVA	UVA
Lamps Full Electronic Control of each lamp (on/off, electronic start, electronic run) No Starters required, no maintenance required.
PL36W UVB TL-01	4	8
PL36W UVA			4	8
Dimensions
Outer (1pcs)	53 x 34 x 8 cm
Cover	36 x 28 x 8 cm
Weight	9 kg	18 kg	9 kg	18 kg
Mains
Mains Connection	220-240V +/- 10%
	50-60 Hz
Power Consumption	150 W	300 W	150 W	300 W
cos Φ	0,93
Software	in the field upgradable
Interfaces WiFi (network) connection Optional Apple iPad control panel Auditive Alarm

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