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Lutronic’s Product Story: ② MOSAIC & eCO2


MOSAIC is a fractional laser device developed and released by Lutronic. MOSAIC, which was developed in 2006, is a standard product that more than doubled Lutronic's sales. Let's take a look at MOSAIC, which has been very popular among our many other existing products with our clinicians and their patients.


Prior to the development of MOSAIC, the very first of the fractional lasers used a blue dye-like liquid painted onto the skin to ensure uniform treatment of the skin with the laser energy.



 As a result, with this method it was not possible for the doctor to observe the treatment area in real time, which was rather inconvenient. Though it is fundamental in laser treatment for the doctors to be able to treat the skin while observing the skin reaction in real time, it was difficult for them to see changes on the skin due to the blue tracking dye on the skin.


In addition, the laser energy was scanned over the skin in a sequential manner in a uniform pattern, as shown below, which led to cases of unwanted energy transfer to skin tissue resulting in unwanted side effects such as erythema and burns.

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MOSAIC1From the very beginning of the company, Lutronic has embarked on the development of products that go beyond traditional technologies and further enable doctors to treat patients more safely and comfortably. The development of MOSAIC was a case in point, and in 2006, finally, Mosaic was launched.


With MOSAIC, it was possible to perform a skin rejuvenation procedure without applying any form of external tracking dye to the skin. In addition, to minimize side effects, we changed the method of delivering each single laser microbeam. We changed the existing uniform scanning pattern into a random scattered pattern, so that each microbeam was delivered as far as possible from the previous one, thereby preventing any heat buildup from adjacent beams, and thus preserving the thermal relaxation time (TRT) of the irradiated tissue. Overlapping was minimized and more sophisticated treatment procedures than previous products were allowed, as it became possible to match the TRT of the tissue being treated.  





This approach allowed practitioners to control both pain and thermal injury while performing the procedure as they intended and let patients experience fewer side effects such as excessive erythema and edema. In addition, with MOSAIC’s random chaos technology scanning method, patients could enjoy a much more natural look after treatment, as there was no ‘checkboard’-like pattern which was often visible after the previous treatment that used the regular linear scanning pattern.


Lutronic understands the needs of our customers and seeks to develop products from their perspective. As a result, we have been able to create products that exceeded the limits of existing technology. MOSAIC is a prime example. The related technology has also been applied to our fractional ablative carbon dioxide laser, the eCO2, which was developed later on, and has also become a representative product of Lutronic.