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Skin Surgery

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Overview
Laser Surgery has become a powerful and indispensable instrument in Dermatology.
The phenomenon at the basis of laser applications is the conversion of laser energy into heat.
Depending on the temperature reached in a specific area, the thermal energy produced is capable of coagulating, vaporising or ablating tissue.
DEKA manufactures two lasers for Dermatological Surgery: A CO2 source (SmartXide DOT) and a Er:YAG source (Smart2940 Plus). Ease of use is guaranteed by the advanced technology, innovative design and user-friendly handpieces.
Since it is both reliable and repeatable, Laser Surgery is simple and ensures complete control of the vaporisation depth at all times while performing delicate and precise superficial ablations on numerous dermatological lesions.
Increasingly more accurate pulse management enables optimisation of the release of heat to the tissues, minimising undesirable side effects (scarring and dyschromic effects), and preserving the adjacent perilesional areas, which signifies rapid and efficacious re-epithelisation.

The possibility of performing precise and delicate vaporisation widens the potential range of application of ablative lasers in Dermatology:

  • Sebaceous adenomas
  • Seborrhoeic and actinic keratoses
  • Actinic cheilitis
  • Scars (acne, surgical, traumatic, from chicken pox)
  • Acuminate condylomas
  • Chondrodermatitis nodularis helicis
  • Dermatofibromas
  • Superficial dyschromias
  • Pendulous fibromas
  • Telangiectasic ganulomas
  • Apocryphal cystomas
  • Leukoplakia
  • Favre-Racouchot's disease
  • Facial milia
  • Skin neurofibromas
  • Epidermal and sebaceous nevi
  • Otophyma
  • Papillomas of the oral cavity
  • Rhinophymas (glandular type)
  • Syringomas
  • Trichoepitheliomas
  • Warts
  • Xantelasmas
 

How it works

The interaction between the electromagnetic radiation emitted by a laser source and the biological tissues is governed by physical processes that regulate the exchange of energy between the wave and the substrate, and by the biological response of the targeted tissue.

The phenomenon at the basis of laser applications is the conversion of laser energy into heat. Depending on the temperature reached in a specific area, the thermal energy produced is capable of coagulating, vaporising or ablating.
With a sufficiently high fluence (above the minimum ablation threshold), the heat is mainly used for ablating or vaporising the targeted tissue, before beginning to spread more slowly towards the surrounding areas.
For a correct use of the surgical lasers we should remember that less thermal damage is obtained with higher power and laser pulses with very short amplitudes. This is the theory of Selective Photothermolysis which means that, by correctly selecting the wavelength, fluence and pulse duration, the desired target can be destroyed without damaging the surrounding tissues.

Water is the principal component of the skin (approximately 77% of its volume) and consequently plays an essential role in the laser-tissue interaction, above all in dermatology. For this reason, CO2 (10.6 µm) and Er:YAG (2.94 µm) lasers are especially significant since they emit in the far infrared spectra where absorption by the water molecules is prevalent. The high absorption by water explains the reduced penetration depth required for both the CO2 and Er:YAG lasers.

 
CO2 Laser - SmartXide DOT System
Er:YAG laser