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Light Sheer - Diodenlaser

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Thema:
Coverage Rate: The Influence of Laser Parameters on Treatment Time

Autor:
Kurt G. Klavuhn, PHD
Research Scientist, Coherent Medical, Pleasanton, California

Einleitung:
Laser hair removal is becoming an increasingly popular alternative to traditional methods such as shaving, waxing, depilatory creams, or electrolysis. Numerous laser systems are currently available offering different maximum fluence levels, spot sizes, and pulse re-petition frequencies, each of which influence the amount of time it takes to treat a given area...

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Thema:
Laser Hair Removal - A Lecture Presented to the 77th Congress of the Japan Society of Aesthetic Surgery, November 14, 1999

Autor:
R. Rox Anderson, M.D.
Wellman Laboratories of Photomedicine, Harvard Medical School, Boston, Massachusetts

Einleitung:
In 1994, we (M. Grossman, M.D., C. Dierickx M.D., and others) began to test the possibility of hair removal by laser light. We initially began research with a ruby laser system that was optimized for hair removal according to the principles of selective photothermolysis. That is, we chose a wavelength that was highly absorbed by melanin which was the target of the laser light, and we specified a pulse width as long as possible to match the thermal relaxation time of the hair shaft...

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Thema:
Illumination Geometry:
The Importance of Laser Beam Spatial Characteristics

Autor:
Kurt G. Klavuhn, PHD
Research Scientist, Coherent Medical, Pleasanton, California

Einleitung:
Laser hair removal is becoming an increasingly popular alternative to traditional methods such as shaving, waxing, depilatory creams, or electrolysis. Numerous laser systems are currently available offering different methods of illuminating the treatment area. The fluence distribution within the tissue and, thus, the treatment efficacy depends upon the illumination geometry, namely the index matching at the skin surface, the incident spot size, and the energy distribution within the incident beam...

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Thema:
Effective, Permanent Hair Reduction. Using a Pulsed, High - Power Diode Laser

Autor:
Christine C. Dierickx, MD*; R. Rox Anderson, MD*; Valeria B. Campos, MD*;
Melanie C. Grossman, MD‡

*Wellman Labs of Photomedicine, Harvard Medical School
‡Laser and Skin Surgery Center of New York
Summary provided by Coherent Medical, Inc.

Einleitung:
The study summarized below was presented in progress to FDA, which cleared the LightSheer™ Diode Laser System for hair removal in December 1997. This summary isintended to allow users of this system to better inform their patients. This is not apeer-reviewed medical publication, and is provided by Coherent Medical solely for informational purposes regarding its products. It is not a substitute for clinical observation of laser-tissue interaction and clinical experience. Training is recommended prior to using the LightSheer Diode Laser System...

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Thema:
Epidermal Protection:
A Comparative Analysis of Sapphire Contact and Cryogen Spray Cooling

Autor:
Kurt G. Klavuhn, PHD
Research Scientist, Coherent Medical, Pleasanton, California

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Thema:
Study of Very Long-Pulsed (100 ms) High-Powered Diode Laser for Hair Reduction on All Skin Types

Autor:
Eliot F. Battle, Jr., MD and R. Rox Anderson, MD
Wellman Laboratories of Photomedicine, Department of Dermatology Harvard Medical School, Boston, MA1 Provided by Palomar Medical Technologies, Inc. This manuscript is not a medical literature publication. Product information is provided solely for user education.

Einleitung:
An 800 nm diode laser with contact cooling and very long pulse widths provides for effective, long-term hair reduction of medium to coarse pigmented hair, even in some darker-skin subjects. Very long pulse widths allow for all skin types to tolerate substantially higher fluences, and thus darker skin types can be safely and effectively treated. Additionally, preliminary results demonstrate that very long pulse widths do not significantly decrease the efficacy for medium to coarse hair reduction for any given fluence...

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Thema:
Lightsheer™ 800 nm pulsed, high-power diode laser hair removal system.

Autor:
Robert M. Adrian, M.D., F.A.C.P.
Assistant Clinical Professor; Georgetown University Medical School; Center for Laser Surgery; Washington, D.C.

Einleitung:
Recent technological advances in laser hair removal have been accompanied by a tremendous degree of public enthusiasm for this procedure. Unfortunately, clinical studies regarding safety and efficacy of these procedures have lagged behind the actual widespread use of this modality throughout the world. Traditional methods of hair removal such as shaving, plucking, waxing, and electrolysis are associated with clinical limitations and side effects; thus the introduction of laser hair removal has been embraced by the public despite relatively little data regarding clinical safety and long-term efficacy...

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Thema:
Laser hair removal: Scientific principles and practical aspects.

Autor:
Christine C. Dierickx, MD
Visiting Faculty Member; Wellman Laboratories of Photomedicine; Harvard Medical School

Einleitung:
The use of lasers for hair removal has been studied for a number of years. In this procedure, laser light is absorbed by melanin in the hair shaft, damaging the follicular epithelium. A clinical study evaluated the use of the LightSheer™ Diode Laser for hair removal. Of 92 patients, all had temporary hair loss and 89% had long-term hair loss. Regrowing hairs were shown to be thinner and lighter than previously. Extensive clinical use of this high-power, pulsed diode laser has resulted in recommendations for patient selection and proper use of the laser. Appropriate fluence settings have been shown to cause long-term hair loss without damaging the epidermis, regardless of skin type...

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