PULSED DYE LASER TECHNOLOGY

The Vbeam Technology
Vbeam Mechanism of Action

The Vbeam Laser System is a flashlamp-excited pulsed dye laser indicated for dermatological applications. It delivers pulsed laser energy at a wavelength of 595nm that passes through the dermis and epidermis skin layers and is absorbed by the oxyhemoglobin in the blood vessels rather than by the surrounding tissue.

PULSED DYE LASER TECHNOLOGY GLOSSARY

Absorption
2905
107
Chromophore
2906
194
Energy fluence
2927
108
Pulse
2934
65
Pulsed dye laser (PDL)*
4833
173
Purpura
4834
60
Selective photothermolysis
2920
133
Selective photothermolysis
2936
62
Absorption
Absorption is the transformation of radiant energy to another form of energy (usually heat) by interacting with matter.
Chromophore
A chromophore is an endogenous light-absorbing particle, which absorbs light of a specific wavelength.
Energy fluence
The energy contained within light is expressed in Joules (J). The energy fluence determines the amount of laser energy delivered in a single pulse and is expressed in Joules/cm2.
Pulse
The brief span of time for which, the focused and scanned laser beam interacts with a given point on the skin (in seconds, milliseconds, nanoseconds).
Pulsed dye laser (PDL)*
The Pulsed Dye Laser, or PDL, uses a concentrated beam of light (595nm wavelength in Vbeam) that targets blood vessels in the skin. PDL was the first laser to utilize the concept of selective photothermolysis to treat dermatologic conditions. The first application of this concept was directed at treating port-wine stain birthmarks (PWSs). Advances in PDL technology allow for a myriad of vascular conditions, such as rosacea, scars, red striae and photodamage, etc. to be treated easily.
Purpura
A rash of purple spots on the skin caused by internal bleeding from small blood vessels. When using Vbeam, treatment parameters can be selected to induce purpura for treating conditions (i.e., PWS), where purpura is a desired endpoint.
Selective photothermolysis
Selective photothermolysis is the concept used to localize thermal injury to a specific target based on its absorption characteristics, the wavelength of light used, the duration of the pulse, the size and shape of the target and the amount of energy delivered.
Selective photothermolysis
A concept used to localize thermal injury to a specific target based on its absorption characteristics, the wavelength of light used, the duration of the pulse, and the amount of energy delivered.
PULSED DYE LASER TECHNOLOGY - CLINICAL PAPERS
01.11.2016
Safety and Efficacy Evaluation of Pulsed Dye Laser Treatment, CO2 Ablative Fractional Resurfacing, and Combined Treatment for Surgical Scar Clearance
08.01.2016
Successful treatment of two pediatric port wine stains in darker skin types using 595 nm laser.
01.06.2015
Combined Treatment with Botulinum Toxin and 595-nm Pulsed Dye Laser for Traumatic Scarring
26.10.2015
Port wine stain treated with a combination of pulsed dye laser and topical rapamycin ointment.
01.03.2015
Prospective comparison treatment of 595-nm pulsed-dye lasers for virgin port-wine stain.
01.08.2015
Efficacy of 595nm pulsed dye laser therapy for Mibelli angiokeratoma.
PULSED DYE LASER TECHNOLOGY RESULTS
Vbeam Scar Treatment
Before
After
Photos: Jeffrey S. Dover, MD
Vbeam Treatment
Before
After 5 treatments
Photos: Ross Kaplan, MD
Vbeam Treatment
Before
After
Photos: Fine Lines Cosmetic Center
Before
12 weeks after 1 treatment
Photos: A. Kauvar, MD
Vbeam Treatment
Before
After treatment
Photos: Edwin Williams, MD
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