Venus Velocity

OPERATING PRINCIPLE & TECHNOLOGY

DIODE LASER

LASER BEAM PROPAGATION

1. Photons are emitted from the light source consisting of a stack of laser diode bars
2. A protective window protects the laser diode emitters from dust/dirt
3. The cylindrical lens ensures uniform light distribution (applies only to the large fibre optics)
4. The sapphire block delivers the light to the skin by guiding the light without refraction/absorption
5. Light coupling gel

LIGHT ABSORPTION

• Once the light reaches the skin, it splits into four parts: 1) reflection, 2) scatter and/or absorption, 3) transmission

• The amount of scattering is inversely proportional to the wavelength of the light. Longer wavelengths tend to have less scatter. As a result, they penetrate deeper.

• The amount of scatter is inversely proportional to the spot size of the applicator. A larger spot size allows deeper penetration.

LIGHT ABSORPTION BY MELANIN
Specific wavelengths have specific absorption coefficients per chromophore and are absorbed accordingly by targets within the tissue.

Venus Velocity emits light at a wavelength of 800 nm that is strongly absorbed by melanin. Melanin is present in the hair shaft and serves as a target (i.e. chromophore) in hair removal treatments. High absorption by melanin (compared to other chromophores such as oxyhaemoglobin) ensures selective and effective hair removal treatments.

STRUCTURE OF HAIR AND SKIN
Melanin is present in both the hair shaft and the upper third of the follicular epithelium. The heat generated in the hair shaft diffuses into the follicular epithelium to cause the damage. The heat extends into the hair follicle area where the stem cells are formed and into the dermal papilla.

By targeting the stem cells within the hair follicles, bulb and dermal papilla, Venus Velocity achieves effective long-term hair reduction.

STAGES OF HAIR GROWTH
Due to the composition of the hair follicles and their binding to the dermal papilla, the maximum heat effect occurs during the anagen phase of the hair growth cycle. The heat effect on the depth of the hair follicle during the anagen phase results in long-term hair reduction.

POWERFUL AND EFFECTIVE
With a wavelength of 800 nm and a revolutionary real-time cooling system, Venus Velocity strikes the perfect balance between high energy absorption of melanin chromophores and deep penetration into the skin, making it safe and effective for all skin types, including tanned skin.

The combined effect of the high peak power of 2400 W allows for high fluences (energy density of up to 100 J/cm²) within short pulse durations, providing overall safe and effective hair removal. In PULSE mode. the high power enables high energy with shorter pulse duration. Lower energy output and intense cooling with heat accumulation permit safe and effective treatments in SLIDE mode.

REVOLUTIONARY REAL-TIME COOLING SYSTEM

• Measures fibre optic temperature regularly

• Temperature feedback sends a signal to increase cooling when necessary

• Very stable at maintaining a temperature of 5 °C, thus increasing the safety profile and reducing discomfort

• No need to wait for the applicator to cool down, even at peak operating loads

• Increases patient compliance, satisfaction and demand

VERSATILE WITH TWO MODES OF OPERATION
Venus Velocity offers two different modes of operation: SLIDE and PULSE mode. Unlike other diode laser systems that offer either one or the other mode, Venus Velocity allows operators to choose between the two options depending on individual patient needs.