What Is Picosure?


Picosure

The demand for tattoo removal has increased in recent years since tattooing is a fad and a high rate of the population is tattooed. Professional and personal reasons are the most frequent reasons why patients want to erase their tattoo.

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The incorporation of the Picosure® laser represents an important advance in the elimination of the tattoos of the patients.

Picosure ® is a laser based on picosecond technology that allows the removal of tattoos more efficiently, more safely and in less time.

PicoSure® is the first picosecond laser in the world capable of emitting energy in very short picosecond pulses, safely and effectively. This unprecedented advance allows ultra-short pulses to be delivered in a time approaching one trillionth of the second, with a pulse ten times shorter than the nanosecond technology, which allows the unparalleled photomechanical action, undoubtedly improving the treatments. Also, it has an adjustable ‘Boost’ mode to make the shots even shorter, and optional wavelengths of 532nm and 1064nm. PicoSure offers unrivaled versatility in dermatological treatments and the elimination of tattoos of any color, with a high degree of safety for the patient.

FOCUS lens:

The FOCUS lens allows dermatological treatments and revitalization of the skin, using a unique method of action, concentrating the energy at certain points to generate vacuoles called “laser-induced optical breaks” (LIOB) in the epidermis. The results are obtained almost immediately and without recovery time.

Also, the laser beam emitted by the equipment generates shock waves that propagate through the dermis, activating the mechanisms of inflammatory response and healing of the dermal tissue. This stimulation produces the regeneration of new collagen and elastin, but without the thermal injury generated by other long pulse lasers. After the treatment, the patient will have slight redness of the treated area, which will disappear a few hours after the treatment. The results in treatments of pigments, wrinkles and acne scars are similar to ablative technologies.

The wavelengths of 755 and 1064 nm are approved by the FDA for the treatment of pigmented lesions and tattoos on all skin phototypes (I-VI) and in wrinkles and acne scars in phototypes of I-IV. The length of 532nm is approved by the FDA for the treatment of tattoos in phototypes I-III. The results may vary.

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How does the picosure® picosecond laser work in tattoo removal?

The main characteristic of Picosure® is that it is the first laser for medical applications whose pulse emits in picoseconds. Recall that a PS is a million times shorter than a second.

This ultra-short pulse generates two effects:

A sudden increase in temperature in tattoo pigments: The Picosure® pulse set at 500-750 picoseconds gives a very concentrated energy delivery in one trillionth of a second. In this way, the temperature rises very sharply and the pigments explode into small particles, which are metabolized by the body more efficiently.

Efficiency in the smallest ink particles: This type of particles has a less thermal relaxation time, so its elimination was not satisfied with conventional Q-Switched type lasers.

How do tattoo pigments accumulate on the skin?

To understand the advance of the picosecond laser, it is interesting to know how the pigments accumulate in the skin when the patient performs a tattoo.

The pigments accumulate in the skin in the form of particles and granules.

Particles:

They have a diameter between 40 and 100 nm.

They can be located inside the cells or in the extracellular space.

Granules:

They are concretions of particles.

They usually have a size between 10 and 400 times larger than the particles, with a diameter between 400 and 4,000 nm.

They are found intracellularly.

The thermal relaxation time of the particles is different from that of the granules. The smaller the size of the pigment, the shorter the thermal relaxation time. So we need to deliver the energy in pulses shorter than the thermal relaxation time for the pigment to burst.

The pigment particles have a thermal relaxation time of between 40 and 1000 picoseconds. Unlike Q-Switched lasers, which emit in 5 nanoseconds or 50 nanoseconds as pulse widths, Picosure® emits at 750 picoseconds. That is to say, the use of lasers in picoseconds, of duration 100 times shorter than lasers Q-Switched, improves the efficiency when small particles constitute the target of the laser.

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The peak tension stress is the maximum tension that a material can withstand while under pressure before breaking or bursting. This peak is reached by the particles and the pigment granules when the energy of Picosure® affects them, producing a very intense photomechanical effect.

When the delivery of laser energy to the tattoo pigments is done in a time of 705 picoseconds, the pigments reach their fracture rate more effectively, exploding into tiny particles that the lymphatic capillaries carry better for their elimination.

What types of laser do we apply to remove tattoos?

The Picosure laser gives high efficiency in the elimination of all types of color, including yellow, red, purple and orange, as well as green and blue. , in addition to all the shades of black.

On the other hand, the Q-Switched laser is still important in the different stages of tattoo removal. Sometimes, the treatments are performed by combining different equipment, depending on the residual pigment left in the tattoo to be removed, its depth, its color and the anatomical region.

Advantages Of Removing Tattoos With Picosure Laser

The main advantages of the Picosure Laser in the removal of tattoos are:

  1. The treatments are effective with half the energy, which works with more respect for the skin.
  2. The clearance of the tattoo is achieved more quickly.
  3. The clearance of the tattoo is achieved in half the sessions or less than the traditional lasers.
  4. It allows to treat recalcitrant tattoos, that is to say, those tattoos that are very resistant to laser and that after a high number of sessions, still have a high density of residual pigments.
  5. Increases the efficiency in the elimination of light blue or light green pigments.
  6. The thermal mechanism of tattoo removal is improved.
  7. The maximum level of mechanical stress is achieved.

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What Is Picosure?