IPLIPL Intense Pulsed Light System Intense Pulsed Light System

by Steinbeis Transfercentre Biomedical by Steinbeis Transfercentre Biomedical Engineering, Donaueschingen, GermanyEngineering, Donaueschingen, Germany

Director: Prof. Dr. Bernhard VondenbuschDirector: Prof. Dr. Bernhard Vondenbusch

Pulsed Light SystemsPulsed Light Systemstarget the Global Anti-Aging target the Global Anti-Aging

MarketMarket

Systems using high energy pulses of light (generated by laser or flshlamp) Systems using high energy pulses of light (generated by laser or flshlamp) are used in the field of medical wellness, the beauty / aesthetic area and are used in the field of medical wellness, the beauty / aesthetic area and cosmetic dermatology with typical application in:cosmetic dermatology with typical application in:

Removal of unwanted hair,Removal of unwanted hair, Removal of coloration changes,Removal of coloration changes, Treatment of telangiectasis,Treatment of telangiectasis, Treatment of acne Treatment of acne Skin rejuvenationSkin rejuvenation

Large amount of clinical studies show the effectiveness of the method, Large amount of clinical studies show the effectiveness of the method, especially in the removal of unwanted hair. especially in the removal of unwanted hair.

Photorejuvenation currently ranks as one of the highest volume aesthetic Photorejuvenation currently ranks as one of the highest volume aesthetic procedures in the world. procedures in the world.

Today, the Today, the Intense Pulsed Light (IPL) technologyIntense Pulsed Light (IPL) technology, which uses high , which uses high energy flashlamps as sources of light, has replaced the laser devices in energy flashlamps as sources of light, has replaced the laser devices in many applications.many applications.

IPL DevicesIPL Devices Analysis of the market shows, that Analysis of the market shows, that

only a few devices reach the only a few devices reach the current state of the artcurrent state of the art

Main disadvantages of current Main disadvantages of current devices are devices are

Approval as medical device Approval as medical device missingmissing

Poor usability of the main systemPoor usability of the main system Change of the flashlamp too Change of the flashlamp too

complicated complicated Poor usability of the handheld Poor usability of the handheld

applicator applicator High level of pain for the patient High level of pain for the patient

High costs for the customer High costs for the customer

Competitor´s device, showing Competitor´s device, showing the main system and the the main system and the handpieces, which are applied handpieces, which are applied to the patient to deliver the to the patient to deliver the light pulseslight pulses

Photoepilation: Removal of Photoepilation: Removal of HairsHairs

532 nm

810 nm

595 nm

694 nm

High energy light pulses applied to the skin heat up the root of the hair High energy light pulses applied to the skin heat up the root of the hair

(absorption of energy in coloured hair) – the hair generating cells are (absorption of energy in coloured hair) – the hair generating cells are

destroyed. The optimum wavelenght of light is between 650 nm – 1200 nm. destroyed. The optimum wavelenght of light is between 650 nm – 1200 nm.

High densities of energy are required: 10 J/cmHigh densities of energy are required: 10 J/cm22 to 45 J/cm to 45 J/cm22. .

Problem: The upper layers of the skin must not be heated!Problem: The upper layers of the skin must not be heated!

Clinical StudiesClinical Studies(success rate in removal of hairs using IPL (success rate in removal of hairs using IPL

devices)devices)

Klinische Studien

0%

10%

20%

30%

40%

50%

60%

70%

80%

90%

100%

0 1 2 3 4 5 6 7

Zahl der Behandlungen

Haar

redu

ktio

n in

%Reihe1

Author / yearAuthor / year nn No. Of No. Of treatmentstreatments

reductionreduction

MarayiamiMarayiamis 2003s 2003

157157 11 53 %53 %

Stangl Stangl

200320031111 55 90 %90 %

Bjerring Bjerring

200620063131 33 56 %56 %

Troilius Troilius

199919992020 44 80 %80 %

Sadick Sadick

199919993434 3,93,9 83 %83 %

Schröter Schröter

199919994040 66 77%77%

High voltage supply, storage of energy

User interface, sensors, alarms

Cooling system for filter and flashlamp

(de-ionized water)

Control of electric pulses

400 V / 400 Amps

Main system

ApplicatorFlashlamp, filter,

sensors, waveguide;

Hose

IPL-TechnologyIPL-Technology

Spotsize Spotsize 50 mm x 12 mm50 mm x 12 mm

Pulses Pulses 1 Pulse / second1 Pulse / second

Pulseduration Pulseduration 5 – 30 ms5 – 30 ms

Wavelength Wavelength 650 – 1200 nm650 – 1200 nm

Control of light pulsesControl of light pulsesTemperatures in hair / skin using electronic pulse Temperatures in hair / skin using electronic pulse

control:control:pulse control keeps skin temperature below damage pulse control keeps skin temperature below damage

levellevel

Sub-Pulse

5 – 10 ms

Interval

5 – 20 ms

Temperature

Time

Temperature hairroot,to be destroyed

Temperature skin,

not to be damaged

Damage level

No. of sub-pulses: 1 – 9,according to required amount of energy

IPL-Prototype, developed at IPL-Prototype, developed at STCSTC

(showing main system and hand piece)(showing main system and hand piece)

The STC IPL-PrototypeThe STC IPL-Prototype

Prototype includes state-of-the-art technologyPrototype includes state-of-the-art technology

Know How of IPL technology is available at STC Biomedical Know How of IPL technology is available at STC Biomedical Engineering: Engineering: Usability study, design study, patent and literature reviews, Usability study, design study, patent and literature reviews, own calculations and circuit designs, control software, results own calculations and circuit designs, control software, results and experience from own measurements, list of components and experience from own measurements, list of components and distributors, list of competitorsand distributors, list of competitors

German patent granted in 2010German patent granted in 2010

Complete Know How including the prototype can be Complete Know How including the prototype can be transferred to SME partners in India.transferred to SME partners in India.